KOJIMA Masayoshi 小島正宜

… Alternative Names

小島正宣コジママサヨシ

KOJIMA Masayosi 小島正宜

Less

Researcher Number	70023687
Other IDs
External Links
Affiliation (based on the past Project Information) *help	2008: Nagoya University, 太陽地球環境研究所, 名誉教授 1991 – 2007: 名古屋大学, 太陽地球環境研究所, 教授 1989: NAGOYA UNIVERSITY, RESEARCH INSTITUTE OF ATMOSPHERICS, ASSOCIATE PROFESSOR, 空電研究所, 助教授 1988: 名古屋大学, 空電研究所, 助手
Review Section/Research Field	Principal Investigator Space and upper atmospheric physics / Space and upper atmospheric physics / Space and upper atmospheric physics Except Principal Investigator Space and upper atmospheric physics / プラズマ理工学 / Space and upper atmospheric physics / Astronomy
Keywords	Principal Investigator 太陽風 / CME / 加速機構 / solar wind / 惑星間空間プラズマ / 惑星間空間シンチレーション / 惑星間空間衝撃波 / 電波観測 / Ulysses / Inner Scale … More / Random Velocity / solar wind acceleration / radio astronomy / interplanetary science / 電波天文学 / 宇宙空間 / 太陽風加速 / 電波天文 / 宇宙科学 / interplanetary shock / interplanetary plasma / acceleration mechanism / radio observation / 計算機シミュレーション / 計算機トモグラフィ / 太陽活動 / tomography / interplanetary scintillation / plasma / 高速太陽風 / 低速太陽風 / 密度擾乱 / トモグラフィー / トモグラフィー法 / プラズマ / MHD Wave / Acceleration mechanism / Solar Wind / Interplanetary Plasma / 惑星間空間 / 電波星シンチレーション / コロナルホール / 緯度依存性 / 異方性 / 太陽近傍 / スペクトル / UIysses / inner scale / random velocity / 磁気流体波 … More Except Principal Investigator CME / 太陽風 / Solar wind / 惑星間空間シンチレーション / 電離圏 / INTERPLANETARY MAGNETIC FIELD / STELLAR WIND / SOLAR WIND PLASMA / SOLAR WIND / 惑星間空間磁場 / 恒星風 / 太陽風プラズマ / Magnetic cloud / Interplanetary scintillation / Interplanetary shock / 磁気雲 / 惑星間空間衝撃波 / Ionosphere / Geomagnetic index / Geomagnetic variation / Ring current / Substorm / Geomagnetic storm / Magnetosphere / 地磁気指数 / 地磁気変動 / 環電流 / サブストーム / 磁気嵐 / 地球磁気圏 / radio observation / tomography / interplanetery scintillation / solar wind / トモグラフィー法 / プラズマ / アレーアンテナ / 電波観測 / 計算機トモグラフィ / antenna / relativistic particles / metric radio waves / Jovian radio waves / energetic particles / Jupiter's radiation belt / Jupiter's magnetosphere / synchrotron radiation / アンテナ / 相対論的粒子 / メートル波 / 木星電波 / 高エネルギー粒子 / 木星放射線帯 / 木星磁気圏 / シンクロトロン放射 / スヴァールバルレーダー / 極域電離圏物理 / EISCATレーダー / 極域 / 国際協同計画 / 磁気圏 / 大気圏 / スヴァールバル / ISレーダー / EISCAT / 電波干渉計 / フレア磁場 / 「ようこう」 / 太陽活動 / 太陽フレア / 電波ヘリオグラフ Less

Verification and development of the unified solar wind acceleration modelPrincipal Investigator
- Principal Investigator
  
  KOJIMA Masayoshi
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Study of 3-dimensional structure of coronal mass ejections in the interplanetary space
- Principal Investigator
  
  TOKUMARU Munetoshi
- Project Period (FY)
  2004 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Study of observational restrictions for revealing solar wind acceleration mechanismPrincipal Investigator
- Principal Investigator
  
  KOJIMA Masayoshi
- Project Period (FY)
  2003 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Observational approaches for resolving the solar wind acceleration mechanismPrincipal Investigator
- Principal Investigator
  
  KOJIMA Masayoshi
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
S-RAMP Project : Geomagnetic Storms
- Principal Investigator
  
  KAMIDE Yohsuke
- Project Period (FY)
  2000 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Design study of the heliospheric imager
- Principal Investigator
  
  TOKUMARU Munetoshi
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
Study on Jupiter's inner magnetosphere by the observation of Jovian synchrotron radiation
- Principal Investigator
  
  MORIOKA Akira
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  TOHOKU UNIVERSITY
日本-EISCATスヴァールバルISレーダに関する国際共同研究
- Principal Investigator
  
  國分征
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Institution
  Nagoya University
Study on the three dimensional solar wind structure using computer assisted tomography analysisPrincipal Investigator
- Principal Investigator
  
  KOJIMA Masayoshi
- Project Period (FY)
  1995 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  NAGOYA UNIVERSITY
Study of solar wind acceleration mechanisms with coordinated interplanetary scintillation observations at different frequencies.Principal Investigator
- Principal Investigator
  
  KOJIMA Masayoshi
- Project Period (FY)
  1992 – 1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Space and upper atmospheric physics
- Research Institution
  Nagoya University
電波ヘリオグラフによる太陽活動の研究
- Principal Investigator
  
  〓目信三
- Project Period (FY)
  1991
- Research Category
  
  Grant-in-Aid for Co-operative Research (B)
- Research Field
  
  Astronomy
- Research Institution
  National Astronomical Observatory of Japan
STUDY OF THE SOLAR WIND PLASMA AND THE INTERPLANETARY MAGNETIC FIELD INCLUDING THE SOLAR ROTATION EFFECT
- Principal Investigator
  
  WASHIMI Haruichi
- Project Period (FY)
  1988 – 1989
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  プラズマ理工学
- Research Institution
  NAGOYA UNIVERSITY

All 2009 2008 2007 2006 2005 2004 2003

All Journal Article Presentation Book

[Book] The Sun and the heliosphere as an Integrated System, Chapter 6 (31 pages)2004
- Author(s)
  Kojima, M.
- Total Pages
  419
- Publisher
  Kluwer Academic Publishers
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Book] The Sun and the heliosphere as an Integrated System, Chapter 6(31 pages)2004
- Author(s)
  Kojima, M.
- Total Pages
  419
- Publisher
  Kluwer Academic Publishers
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Interplanetary scintillation observations of the solar wind for space weather modeling2009
- Author(s)
  Tokumaru, M., M. Kojima, and K. Fujiki
- Journal Title
  
  Space Technology Japan Vol. 8(in press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] Relation between loop-shaped interplanetary disturbances and the magnetic flux rope.2009
- Author(s)
  Tokumaru, M., M. Kojima, K. Fujiki, K. Munakata, T. Kuwabara, K. Marubashi
- Journal Title
  
  Advances in Geoscience (World Scientific Publishing Co., USA) 3(in press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] Non-dipolar solar wind structure observed in the cycle 23/24 minimum2009
- Author(s)
  Tokumaru, M., M. Kojima, K. Fujiki, K. Hayashi
- Journal Title
  
  Geophys. Res. Lett. doi : 10.1029/ 2009 GL03746(in press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] Interplanetary scintillation observations of the solar wind for space weather modeling.2009
- Author(s)
  Tokumaru, M., M. Kojima, K. Fujiki
- Journal Title
  
  Space Technology Japan 8(in press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] Relation between loop-shaped interplanetary disturbances and the magnetic flux rope2009
- Author(s)
  Tokumaru, M., M. Kojima, K. Fujiki, K. Munakata, T. Kuwabara, and K. Marubashi
- Journal Title
  
  Advances in Geoscience (World Scientific Publishing Co., USA) Vol.3(in press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] Non-dipolar solar wind structure observed in the cycle 23/24 minimum, Geophys2009
- Author(s)
  Tokumaru, M., M. Kojima, K. Fujiki, and K. Hayashi
- Journal Title
  
  Res. Lett. doi : 10.1029
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] Source regions of solar wind disappearance events2008
- Author(s)
  Janardhan, P., K. Fujiki, H.S. Sawant, M. Kojima, K. Hakamada, R. Krishnan
- Journal Title
  
  J. Geophys. Res Vol. 113, No. A3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] IPS tomographic observations of 3D solar wind structure2007
- Author(s)
  Kojima, M., et. al.
- Journal Title
  
  Astronomical & Astrophysical Transactions 26
  
  Pages: 467-476
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] The source and propagation of the interplanetary disturbance a ssociated with the full-halo coronal mass ejection on October 28, 20032007
- Author(s)
  Tokumaru, M., M.Kojima, K.Fujiki, M.Yamashita他1名
- Journal Title
  
  Journal of Geophysical Research (in press)
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] IPS tomographic observations of 3D solar wind structure2007
- Author(s)
  Kojima, M., M. Tokumaru, K. Fujiki K. Hayashi, and B. V. Jackson
- Journal Title
  
  Astronomical & Astrophysical Transactions 26
  
  Pages: 467-476
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] What coronal parameters determi ne solar wind speed2007
- Author(s)
  Kojima, M., et. al.
- Journal Title
  
  AIP Conference Series, "New, solar physics with sola r-B mission", eds K. Shibata, S. Nagata and T. S akurai 369
  
  Pages: 549-555
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] What coronal parameters determine solar wind speed?2007
- Author(s)
  Kojima, M. etal.
- Journal Title
  
  "New solar physics with solar-B mission", The Sixth Solar-B Science Meeting, Conference Series of Astronomical Society of the Pacific, Kyoto, 8-11 November 2005 (in press)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] What coronal parameters determine solar wind speed?2007
- Author(s)
  Kojima, M., et. al.
- Journal Title
  
  AIP Conference Series, "New solar physics with solar-B mission" 369
  
  Pages: 549-555
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] What coronal parameters determine solar wind speed?2007
- Author(s)
  Kojima, M., M. Tokumaru, K. Fujiki, H. Itoh, T. Murakami, and K. Hakamada
- Journal Title
  
  "New Solar Physics with Solar-B Mission", ASP Conference Series, eds K. Shibata, S. Nagata, and T. Sakurai 369
  
  Pages: 549-555
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] What coronal parameters determine solar wind speed?2007
- Author(s)
  Kojima, M., M.Tokumaru, K.Fujiki, H.Itoh, T.Murakami他1名
- Journal Title
  
  "New solar physics with solar-B mission", The Sixth Solar-B Science Meeting (in press)
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Comparison of the extent and mass of CME events in the interplanetary medium using IPS and SMEI Thomson scattering observations2007
- Author(s)
  Jackson, B. V., P.P. Hick, A. Buffington, M.M. Bisi, M. Kojima, and Tokumaru
- Journal Title
  
  Astronomical & Astrophysical Transactions 26
  
  Pages: 477-487
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] The source and propagation of the interplanetary disturbance associated with the full-halo coronal mass ejection on 2003 October 282007
- Author(s)
  M. Tokumaru, M. Kojima, K. Fujiki, M. Yamashita, and B.V. Jackson
- Journal Title
  
  J. Geophys. Res. 112
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] The source and propagation of the interplanetary disturbance associated with the full-halo coronal mass ejection on 28 October 20032007
- Author(s)
  Tokumaru, M., M. Kojima, K. Fujiki, M. Yamashita, and B. V. Jackson
- Journal Title
  
  J. Geophys. Res 112
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] IPS tomographic observations of 3D solar wind structure2007
- Author(s)
  Kojima, M., M.Tokumaru, K.Fujiki, K.Hayashi, 他1名
- Journal Title
  
  Astronomical and Astrophysical Transactions (in press)
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] IPS tomographic observations of 3D solar wind structure2007
- Author(s)
  Kojima, M., M.Tokumaru, K.Fujiki, K.Hayashi, B.V.Jackson
- Journal Title
  
  Astronomical and Astrophysical Transactions (in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] IPS tomographic observations of 3D solar wind structure2007
- Author(s)
  Kojima, M. etal.
- Journal Title
  
  Astronomical and Astrophysical Transactions (in press)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] What coronal parameters determine solar wind speed?2007
- Author(s)
  Kojima, M., M. Tokumaru, K. Fujiki, H. Itoh, T. Murakami, and K. Hakamada
- Journal Title
  
  in "New Solar Physics with Solar-B Mission", ASP Conference Series, eds K. Shibata, S. Nagata, and T. Sakurai Vol.369
  
  Pages: 549-555
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] Comparison of the extent and mass of CME events in the interplanetary medium using IPS and SMEI Thomson scattering observations2007
- Author(s)
  Jackson, B.V., P.P.Hick, A.Buffington, M.M.Bisi, M.Kojima, M.Tokumaru
- Journal Title
  
  Astronomical and Astrophysical Transactions (in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] IPS tomographic observations of 3D solar wind structure2007
- Author(s)
  Kojima, M., et. al.
- Journal Title
  
  Astronomical and Astrophysical Transactions 26(6)
  
  Pages: 467-476
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] What coronal parameters determine solar wind speed?2007
- Author(s)
  Kojima, M., M.Tokumaru, K.Fujiki, H.Itoh, T.Murakami, K.Hakamada
- Journal Title
  
  "New solar physics with solar-B mission", The Sixth Solar-B Science Meeting, Conference Series of Astronomical Society of the Pacific, Kyoto 8-11(in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] The source and propagation of the interplanetary disturbance associated with the full-halo coronal mass ejection on 2003 October 282007
- Author(s)
  Tokumaru, M., M. Kojima, K. Fujiki, M. Yamashita, and B. V. Jackson
- Journal Title
  
  J. Geophys. Res. doi : 10.1029/2006JA012043
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] Comparison of the extent and mass of CME events in the interplanetary medium using IPS and SMEI Thomson scattering observations2007
- Author(s)
  Jackson, B.V., P.P. Hick, A. Buffington, M.M. Bisi, M. Kojima, and M. Tokumaru
- Journal Title
  
  Astronomical & Astrophysical Transactions 26
  
  Pages: 477-487
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] IPS tomographic observations of 3D solar wind structure2007
- Author(s)
  Kojima, M., M. Tokumaru, K. Fujiki, K. Hayashi, and B. V. Jackson
- Journal Title
  
  Astronomical and Astrophysical Transactions 26
  
  Pages: 467-476
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19540473
[Journal Article] What coronal parameters determine solar wind speed?2007
- Author(s)
  Kojima, M., M.Tokumaru, K.Fujiki, H.Itoh, T.Murakami, K.Hakamada
- Journal Title
  
  New solar physics with solar-B mission(The Sixth Solar-B Science Meeting, Conference Series of Astronomical Society of the Pacific, Kyoto, 8-11 November 2005)(eds K. Shibata, S. Nagata and T. Sakurai) (in press)
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Reconstructed global feature of an interplanetary disturbance for the full-halo coronal mass ejection event on 1999 September 202006
- Author(s)
  Tokumaru, M., M.Yamashita, M.Kojima, K.Fujiki, T.Nakagawa
- Journal Title
  
  Adv. Space Res. 38
  
  Pages: 547-551
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] On the cross-field diffusion of galactic cosmic rays into the magnetic flux rope of a CME2006
- Author(s)
  Munakata, K., S.Yasue, C.Kato, J.Kota, M.Tokumaru, M.Kojima, A.A.Dawrwish, T.Kuwabara, J.W.Bieber
- Journal Title
  
  Advances in Geosciences (eds. W. H. Ip and M. Duldig) (World Scientific Publishing Co., USA) 2
  
  Pages: 115-124
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] On the cross-field diffusion of galactic cosmic rays into an ICME2006
- Author(s)
  K.Munakata, S.Yasue., C.Kato., J.Kota, M.Tokumaru, M.Kojima, A.A.Darwish, T.Kuwabara, J.W.Bieber
- Journal Title
  
  Advances in Geosciences, eds. W. H. Ip and M. Duldig, (World Scientific Publishing Co., USA) Vol.2
  
  Pages: 115-124
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Reconstructed global feature of interplanetary disturbance for the-full-halo coronal mass ejection event on 1999 September 202006
- Author(s)
  Tokumaru, M., M.Yamashita, M.Kojima, K.Fujiki 他1名
- Journal Title
  
  Advances in Space Research 38・3
  
  Pages: 547-551
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] On the cross-field diffusion of galactic cosmic rays into the magnetic flux rope of a CME2006
- Author(s)
  Munakata, K., S.Yasue, C.Kato, J.Kota, M.Tokumaru, M.Kojima, 他3名
- Journal Title
  
  Advances in Geosciences (in press)
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Reconstructed global feature of interplanetary disturbance for the full-halo coronal mass ejection event on 1999 September 202006
- Author(s)
  Tokumaru, M., M.Yamashita, M.Kojima, K.Fujiki, T.Nakagawa
- Journal Title
  
  Adv. Space Res. 38
  
  Pages: 547-551
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Tracking heliospheric disturbances by interplanetary scintillation2006
- Author(s)
  Tokumaru, M., M.Kojima, K.Fujiki, M.Yamashita
- Journal Title
  
  Nonlinear Processes in Geophysics 13
  
  Pages: 329-338
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Tracking heliospheric disturbances by interplanetary scintillation2006
- Author(s)
  Tokumaru, M., M.Kojima, K.Fujiki, M.Yamashita
- Journal Title
  
  Nonlinear Processes in Geophysics 13
  
  Pages: 329-338
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Interplanetary consequences caused by the extremely intense solar activity during October-November 20032005
- Author(s)
  Tokumaru, M., M.Kojima, K.Fujiki, M.Yamashita, 他1名
- Journal Title
  
  Journal of Geophysical Research (doi:10.1029/2004JA010656) 110
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Resolving the enigmatic solar wind disappearing event of 11 May 19992005
- Author(s)
  Janardhan, P., K.Fujiki, M.Kojima, M.Tokumaru, K.Hakamada
- Journal Title
  
  J. Geophys. Res. 110
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Resolving the enigmatic solar wind disappearing event of 11 May 19992005
- Author(s)
  Janardhan P., K.Fujiki, M.Kojima, M.Tokumaru, K.Hakamada
- Journal Title
  
  J.Geophys.Res. doi:10.1029/2004JA010535 110
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Correlation between expansion rate of the coronal magnetic field and solar wind speed in a solar activity cycle2005
- Author(s)
  Hakamada, K., M.Kojima, T.Ohmi, M.Tokumaru, 他1名
- Journal Title
  
  Solar Physics (doi:10.1007/s11207-005-3304-7) 227
  
  Pages: 387-399
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Relation between solar wind velocity and properties of its source region2005
- Author(s)
  Fujiki, K., M.Hirano, M.Kojima, M.Tokumaru, 他3名
- Journal Title
  
  Advances in Space Research 35(12)
  
  Pages: 2185-2188
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Correlation between Expansion Rate of the Coronal Magnetic Field and Solar Wind Speed in a Solar Activity Cycle2005
- Author(s)
  Hakamada, K, M.Kojima, T.Ohmi, M.Tokumaru, K.Fujiki
- Journal Title
  
  Solar Phys. 227
  
  Pages: 387-399
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Reconstructed global feature of interplanetary disturbance for the full-halo coronal mass ejection event on 1999 September 202005
- Author(s)
  Tokumaru, M., M.Yamashita, M.Kojima, K.Fujiki 他1名
- Journal Title
  
  Advances in Space Research (in press)
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Resolving the enigmatic solar wind disappearing event of 11 May 19992005
- Author(s)
  Janardhan, P., K.Fujiki, M.Kojima, M.Tokumaru, 他1名
- Journal Title
  
  Journal of Geophysical Research (doi:10.1029/2004JA010535) 110
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Interplanetary scintillation measurements of a transient solar wind stream associated with the 2003 October 28 full-halo coronal mass ejection2005
- Author(s)
  Tokumaru, M., M.Kojima, K.Fujiki, M.Yamashita, B.V.Jackson
- Journal Title
  
  Proceedings of URSI GA 2005 (XXVIIIth General Assembly of International Union of Radio Science (URSI), October 23-29, 2005, New Delhi, India (in press)
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Interplanetary consequences caused by the extremely intense solar activity during October-November 20032005
- Author(s)
  Tokumaru, M., M.Kojima, K.Fujiki, M.Yamashita, D.Bara
- Journal Title
  
  J. Geophys. Res. 110
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Correlation between Expansion Rate of the Coronal Magnetic Field and Solar Wind Speed in a Solar Activity Cycle2005
- Author(s)
  Hakamada, K., M.Kojima, T.Ohmi, M.Tokumaru, Ken'ichi Fujiki
- Journal Title
  
  Sol.Phys. doi:10.1007/s11207-005-3304-7 227
  
  Pages: 387-399
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Relation between solar wind velocity and properties of its source region2005
- Author(s)
  Fujiki, K., M.Hirano, M.Kojima, M.Tokumaru, D.Baba, M.Yamashita, K.Hakamada
- Journal Title
  
  Adv.Space Res. 35
  
  Pages: 2185-2188
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Fast solar wind after the rapid acceleration2004
- Author(s)
  Kojima, M. et al.
- Journal Title
  
  Journal of Geophysical Research, doi:10.1029/2003JA010247 109
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Fast solar wind after the rapid ac celeration2004
- Author(s)
  Kojima, M., et. al.
- Journal Title
  
  J. Geophys. Res(doi : 10. 10 29/20037A010247) 109
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Origin of the slow solar wind2004
- Author(s)
  Ohmi, T., M.Kojima, M.Tokumaru, K.Fujiki, K.Hakamada
- Journal Title
  
  Adv. Space Res. 33
  
  Pages: 689-695
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Solar wind properties from IPS observations2004
- Author(s)
  Kojima, M., K.Fujiki, M.Hirano, M.Tokumaru, T.Ohmi, K.Hakamada
- Journal Title
  
  "The Sun and the heliosphere as an Integrated System", Editors : Giannina Polctto and Steven T. Suess, Kluwer Academic Publishers
  
  Pages: 147-178
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Fast solar wind after the rapid acceleration2004
- Author(s)
  Kojima et al.
- Journal Title
  
  Journal of Geophysica Research (doi:10.1029/2003JA010247) 109
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Fast solar wind after the rapid acceleration2004
- Author(s)
  Kojima, M. etal.
- Journal Title
  
  Journal of Geophysical Research 109
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Fast solar wind after the rapid acceleration2004
- Author(s)
  Kojima, M., et. al.
- Journal Title
  
  Journal of Geophysica Research(doi:10.1029/2003JA010247) 109
- Description
  「研究成果報告書概要(和文)」より
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16340147
[Journal Article] Fast solar wind after the rapid acceleration2004
- Author(s)
  Kojima, M., A.R.Breen, K.Fujiki, K.Hayashi, T Ohmi, M.Tokumaru
- Journal Title
  
  J. Geophys. Res. 109
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Time-dependent tomography of heliospheric features using interplanetary scintillation (IPS) remote-sensing observations2003
- Author(s)
  Jackson, B.V., P.P.Hick, A.Buffington, M.Kojima, M.Tokumaru, K.Fujiki, T.Ohmi, M.Yamashita
- Journal Title
  
  Solar Wind Ten, AIP Conference Proceedings 679, AIP, New York, 1995, edited by M. Velli, R. Bruno and F. Malara
  
  Pages: 75-78
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Solar cycle dependence of high-latitude solar wind2003
- Author(s)
  Fujiki, K., M.Kojima, M.Tokumaru, T.Ohmi, A Yokobe, K.Hayashi
- Journal Title
  
  Solar Wind Ten, AIP Conference Proceedings 679, AIP, New York, 1995, edited by M. Velli, R. Bruno and F. Malara
  
  Pages: 141-143
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Basic results of MHD tomography analysis method for IPS observations2003
- Author(s)
  Hayashi, K., K.Fujiki, M.Kojima, M.Tokumaru
- Journal Title
  
  Solar Wind Ten, AIP Conference Proceedings 679, AIP, New York, 1995, edited by M. Velli, R. Bruno and F. Malara
  
  Pages: 144-147
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] MHD tomography using interplanetary scintillation measurement2003
- Author(s)
  Hayashi, K., M.Kojima, M.Tokumaru, K.Fujiki
- Journal Title
  
  J. Geophys. Res. 108
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Solar wind velocity structure around the solar maximum observed by interplanetary scintillation2003
- Author(s)
  Fujiki, K., M.Kojima, M.Tokumaru, T.Ohmi, A Yokobe, K.Hayashi, D.J.McComas, H.A.Elliott
- Journal Title
  
  Solar Wind Ten, AIP Conference Proceedings 679, AIP, New York, 1995, edited by M. Velli, R. Bruno and F. Malara
  
  Pages: 226-229
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Evidences for low-speed streams from small coronal hole2003
- Author(s)
  Ohmi, T., M.Kojima, K.Hayashi, A.Yokobe, M Tokumaru, K.Fujiki, K.Hakamada
- Journal Title
  
  Solar Wind Ten, AIP Conference Proceedings 679, AIP, New York, 1995, edited by M. Velli, R. Bruno and F. Malara
  
  Pages: 137-140
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Global structure of interplanetary coronal mass ejections retrieved from the model fitting analysis of radio scintillation observations2003
- Author(s)
  Tokumaru, M., M.Kojima, K.Fujiki, M.Yamashita
- Journal Title
  
  Solar Wind Ten, AIP Conference Proceedings 679, AIP, New York, 1995, edited by M. Velli, R. Bruno and F. Malara
  
  Pages: 729-732
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] How did the solar wind structure change around the solar maximum?-From interplanetary scintillation observation2003
- Author(s)
  Fujiki, K., M.Kojima, M.Tokumaru, T.Ohmi, A.Yokobe, K.Hayashi, D.J.McComas, H.A.Elliott
- Journal Title
  
  Ann. Geophy. 21
  
  Pages: 1257-1261
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] dependence of propagation speed of solar wind disturbance2003
- Author(s)
  Yamashita, M., M.Tokumaru, M.Kojima, Radial
- Journal Title
  
  Solar Wind Ten, AIP Conference Proceedings 679, AIP, New York, 1995, edited by M. Velli, R. Bruno and F. Malara
  
  Pages: 754-757
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Toroidal-shape interplanetary disturbances associated with the halo coronal mass ejection event on July 14, 20002003
- Author(s)
  Tokumaru, M., M.Kojima, K.Fujiki, M.Yamashita, A.Yokobe
- Journal Title
  
  J. Geophys. Res. 108
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Journal Article] Polar low-speed solar wind reappeared at the solar activity maximum of cycle 232003
- Author(s)
  Ohmi, T., M.Kojima, M.Tokumaru, K.Fujiki, K.Hayashi, K.Hakamada
- Journal Title
  
  Geophy. Res. Lett. 30
  
  Pages: 1409-1412
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-15340162
[Presentation] Solar Wind Observations and Space Weather2008
- Author(s)
  Tokumaru, M., M. Kojima, K. Fujiki
- Organizer
  The 26th International Symposium on Space Technology and Science
- Place of Presentation
  アクトシティ浜松(静岡)
- Year and Date
  2008-06-03
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] 太陽圏イメージング装置(SWIFT)の開発2008
- Author(s)
  徳丸宗利, 小島正宜, 藤木謙一, 伊藤大晃
- Organizer
  「太陽圏イメージング装置(SWIFT)の開発」, 2008年地球惑星科学関連学会合同大会
- Place of Presentation
  幕張メッセ国際会議場(千葉)
- Year and Date
  2008-05-25
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] Solar wind studies with multi-station interplanetary scintillation observation, International Symposium : Fifty Years after IGY-Modern Information Technologies and Earth and Solar Sciences2008
- Author(s)
  Fujiki, K., M. Kojima, M. Tokumaru
- Organizer
  National Institute of Advanced Industrial Science and Technology (AIST)
- Place of Presentation
  Tsukuba, Ibaraki, Japan
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] 惑星間空間シンチレーション観測を用いた太陽風予報精度の検証2008
- Author(s)
  伊藤大晃, 藤木謙一, 小島正宜, 徳丸宗利, 大見智亮
- Organizer
  2008年地球惑星科学関連学会合同大会
- Place of Presentation
  幕張メッセ国際会議場(千葉)
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] Unusual solar wind structure observed during the 2008 sunspot minimum2008
- Author(s)
  Tokumaru, M., M. Kojima, K. Fujiki, K. Hayashi
- Organizer
  AGU 2008 fall meeting, Moscone center
- Place of Presentation
  サンフランシスコ・米国
- Year and Date
  2008-12-16
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] Relation between Loop-Shaped Interplanetary Disturbances and the Magnetic Flux Rope2008
- Author(s)
  Tokumaru, M., M. Kojima, K. Fujiki, K. Munakata, T. Kuwabara, and K. Marubashi
- Organizer
  AOGS 2008, BEXCO
- Place of Presentation
  釜山, 韓国
- Year and Date
  2008-06-18
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] 2008太陽黒点極小期において観測された特異な太陽風構造2008
- Author(s)
  徳丸宗利, 小島正宜, 藤木謙一, 伊藤大晃, 林啓志
- Organizer
  第124回地球電磁気・地球惑星圏学会講演会
- Place of Presentation
  仙台市戦災復興記念館(宮城)
- Year and Date
  2008-10-12
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] 2008太陽黒点極小期において観測された特異な太陽風構造2007
- Author(s)
  徳丸宗利, 小島正宜, 藤木謙一, 伊藤大晃, 林啓志
- Organizer
  第122回地球電磁気・地球惑星圏学会総会および講演会
- Place of Presentation
  名古屋大学(東山キャンパス)
- Year and Date
  2007-10-12
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] Solar wind structure-origin and solar cycle dependence2007
- Author(s)
  Kojima, M., M. Tokumaru, and K. Fujiki, H. Itoh
- Organizer
  International CAWSES Symposium, Kyoto
- Place of Presentation
  Japan
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] Solar cycle dependence of solar wind structure2007
- Author(s)
  Kojima, M. M. Tokumaru, and K. Fujiki
- Organizer
  AOGS 4th Annual Meeting
- Place of Presentation
  Bangkok
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] 惑星間空間におけるCMEの伝搬2007
- Author(s)
  徳丸宗利, 小島正宜, 藤木謙一
- Organizer
  第122回地球電磁気・地球惑星圏学会講演会
- Place of Presentation
  名古屋大学(名古屋)
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] Solar wind structure-origin and solar cycle dependence2007
- Author(s)
  Kojima, M. M. Tokumaru, and K. Fujiki, H. Itoh
- Organizer
  International CAWSES Symposium
- Place of Presentation
  Kyoto, Japan
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] Solar cycle dependence of solar wind structure2007
- Author(s)
  Kojima, M. M. Tokumaru, and K. Fujiki
- Organizer
  AOGS 4th Annual Meeting
- Place of Presentation
  Bangkok, Thailand
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] Solar cycle dependence of solar wind structure2007
- Author(s)
  Kojima, M., M. Tokumaru, and K. Fujiki
- Organizer
  IUGG 24th General Assembly
- Place of Presentation
  Perugia, Italy
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] 国際共同による惑星間空間シンチレーション観測2007
- Author(s)
  藤木謙一, 小島正宜, 徳丸宗利
- Organizer
  第122回地球電磁気・地球惑星圏学会総会および講演会
- Place of Presentation
  名古屋大学(東山キャンパス)
- Year and Date
  2007-10-11
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] 内部太陽圏におけるCMEの伝搬-2003年11月2日イベントに対するIPS観測結果2007
- Author(s)
  徳丸宗利, 小島正宜, 藤木謙一, 山下真弘
- Organizer
  2007年地球惑星科学関連学会合同大会
- Place of Presentation
  幕張メッセ国際会議場(千葉)(E108-009)
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] Propagation of coronal mass ejections in the interplanetary mediumi2007
- Author(s)
  Tokumaru, M., M. Kojima, and K. Fujiki
- Organizer
  International CAWSES Symposium, P1-047
- Place of Presentation
  Kyoto University Clock Tower Centennial Hall, Kyoto
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] Solar wind observations with interplanetary scintillation at 327 MHz2007
- Author(s)
  Fujiki, K., M. Kojima, M. Tokumaru
- Organizer
  International CAWSES Symposium, P1-047
- Place of Presentation
  Kyoto University Clock Tower Centennial Hall, Kyoto
- Data Source
  KAKENHI-PROJECT-19540473
[Presentation] 惑星間空間シンチレーション新観測法を用いた太陽風研究2007
- Author(s)
  小島正宜, 徳丸宗利, 藤木謙一
- Organizer
  地球惑星科学関連学会2007年合同大会
- Place of Presentation
  幕張メッセ
- Data Source
  KAKENHI-PROJECT-19540473

1. TOKUMAR Munetoshi (60273207)

# of Collaborated Projects: 6 results

# of Collaborated Products: 75 results
2. FUJIKI Ken-ichi (20303597)

# of Collaborated Projects: 5 results

# of Collaborated Products: 68 results
3. MISAWA Hiroaki (90219618)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
4. KAMIDE Yohsuke (60113099)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
5. SAKURAI Takayuki (52564744)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. ASAI Kikuo (90290874)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. MORIOKA Akira (50004479)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. MASUDA Satoshi (10262916)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. SHINAGAWA Hiroyuki (00262915)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. OGINO Tasuki (00109274)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. NISHITANI Nozomu (10218159)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. HAKAMADA Kazuyuki (90102780)

# of Collaborated Projects: 1 results

# of Collaborated Products: 11 results
13. MUNAKATA Kazuoki (40221618)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
14. WASHIMI Haruichi (60023686)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 〓目信三 (50023677)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 寺澤敏夫 (30134662)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 小杉健郎 (70107473)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 椿都生夫 (10040700)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 黒河宏企 (80135508)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 國分征 (00011502)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 柴田喬 (80017417)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 深尾昌一郎 (30026249)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 鶴田浩一郎 (10013682)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 福西浩 (90099937)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. 佐藤夏雄 (50132709)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. 小川忠彦 (60271607)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. 野澤悟徳 (60212130)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. 藤井良一 (00132712)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. 坂翁介 (80108638)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. 江尻全機 (30013692)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. 平澤威男 (30011571)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. 松浦延夫 (90209495)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
33. MORI Hirotaka

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. HAYASHI Keiji

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. ブレッケアスゲイ

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. レットガーユルゲン

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. コリスピーター

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
38. 石井守

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
39. HULTQVIST B

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
40. BREKKE A.

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
41. ROTTGER J.

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
42. WANNBERG U.

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

KOJIMA Masayoshi 小島 正宜

小島 正宣 コジマ マサヨシ

KOJIMA Masayosi 小島 正宜

Research Projects

Research Products

Co-Researchers

Verification and development of the unified solar wind acceleration modelPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of 3-dimensional structure of coronal mass ejections in the interplanetary space

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of observational restrictions for revealing solar wind acceleration mechanismPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Observational approaches for resolving the solar wind acceleration mechanismPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

S-RAMP Project : Geomagnetic Storms

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Design study of the heliospheric imager

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study on Jupiter's inner magnetosphere by the observation of Jovian synchrotron radiation

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

日本-EISCATスヴァールバルISレーダに関する国際共同研究

Principal Investigator

Project Period (FY)

Research Category

Research Institution

Study on the three dimensional solar wind structure using computer assisted tomography analysisPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study of solar wind acceleration mechanisms with coordinated interplanetary scintillation observations at different frequencies.Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

電波ヘリオグラフによる太陽活動の研究

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

STUDY OF THE SOLAR WIND PLASMA AND THE INTERPLANETARY MAGNETIC FIELD INCLUDING THE SOLAR ROTATION EFFECT

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] The Sun and the heliosphere as an Integrated System, Chapter 6 (31 pages)2004

Author(s)

Total Pages

KOJIMA Masayoshi 小島正宜

小島正宣コジママサヨシ

KOJIMA Masayosi 小島正宜