Iwai Yoshio 岩井芳夫

… Alternative Names

Researcher Number	80176528
Other IDs
External Links
Affiliation (Current)	2021: 九州大学, 工学研究院, 准教授
Affiliation (based on the past Project Information) *help	2017 – 2020: 九州大学, 工学研究院, 准教授 2015: 九州大学, 工学研究院, 准教授 2013 – 2014: 九州大学, 工学(系)研究科(研究院), 准教授 2008: Kyushu University, 工学研究院, 准教授 2007 – 2008: Kyushu University, 大学院・工学研究院, 准教授 … More
Review Section/Research Field	Principal Investigator Properties in chemical engineering process/Transfer operation/Unit operation / Properties in chemical engineering process/Transfer operation/Unit operation / 反応・分離工学 / 化学工学一般 / Basic Section 27010:Transport phenomena and unit operations-related Except Principal Investigator 化学工学一般 / 化学工学 / Biofunction/Bioprocess / Properties in chemical engineering process/Transfer operation/Unit operation
Keywords	Principal Investigator 超臨界二酸化炭素 / 溶解度 / 超臨界流体 / 分子シミュレーション / モンテカルロ / 固気平衡 / エタノール / 超臨界流体含浸法 / 拡散係数 / エントレーナ効果 … More Except Principal Investigator 超臨界二酸化炭素 / 分子シミュレーション / 拡散係数 / ポリエチレングリコール / supercritical carbon dioxide / 化学工学物性 / 超臨界流体 / モンテカルロ法 / 状熊方程式 / 高分子 / 分子動力学 / バイオリアクター / 生物・生体工学 / 生体触媒 / マイクロバイオリアクター / シリカモノリス / 光学分割 / リパーゼ / 反応・分離 / ゾルーゲル法 / ゾル-ゲル / 不斉合成 / 気体溶解度 / 酸素 / 培養培地 / 水溶液 / リン酸水素二カリウム / リン酸二水素カリウム / グルコース / マルトース / 塩化ナトリウム / 硫酸アンモニウム / スクロ-ス / Gas Solubility / Oxygen / Fermentation Media / Aqueous Solution / Potassium Dihydrogenphosphate / Dipotassium Hydrogenphosphate / Glucose / Maltose / 物性計算法 / 分子間相互作用 / Physical Property Prediction / Molecular Simulation / Intermolecular Interaction / 高分子ゲル / シリカ粒子 / 網目孔径 / 体積相転移 / デンプン / 固定化酵素 / 反応制御 / ゲル内外濃度 / 分子量効果 / Polymeric gel / Poly (ethylene glycol) / Silica particle / Mesh size / Volume phase transition / Starch / Immobilized enzyme / Control of reaction / 超臨界相吸着 / 吸着分離 / 構造異性体 / ジメチルナフタレン / ゼオライト / 芳香族異性体 / 二酸化炭素 / supercritical phase adsorption / adsorption / isomer / dimethylnaphthalene / zeolite / 臨界点 / 反応速度 / 反応異常 / Diels-Alder反応 / イソブレン / 無水マイレン酸 / 正則溶液論 / 無水マレイン酸 / イソプレン / Critical Point / Reaction Rate / Anomalos Reaction / Diels-Alder Reaction / Isoprene / Maleic Anhydride / Supercritical Carbon Dioxide / Regular Solution Theory / 溶解度 / 昇華圧 / フッ素 / 溶媒和 / MDシミュレーション / フッ素化合物 / 2-トリフルオロメチル安息香酸 / 3-トリフルオロメチル安息香酸 / 昇華熱 / solubility / sublimation pressure / fluorination / solvation / MD simulation / 蒸気圧 / 流通法 / 石炭液化油成分 / 生理活性物質 / グループ寄与法 / Vapor pressure / Flow type apparatus / Coal liquefaction product / Biogenic substance / 水性2相分配法 / バイオセパレーション / 酵素分離 / 水溶性ポリマー / 高分子溶液 / デキストラン / 液々平衡 / 酵素反応 / 水性二相分配法 / 液液平衡 / Aqueous Two Phase System / Bioseparation / Enzyme Separation / Aqueous Polymer / Polymer Solution / Dextran / Polyethylene Glycol Less

Development of new activity coefficient equation for correlation to estimation equation for multi-component systemsPrincipal InvestigatorOngoing
- Principal Investigator
  
  岩井芳夫
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 27010:Transport phenomena and unit operations-related
- Research Institution
  Kyushu University
Investigation for absorption of solutes in polymers under supercritical carbon dioxide conditionsPrincipal Investigator
- Principal Investigator
  
  Iwai Yoshio
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Properties in chemical engineering process/Transfer operation/Unit operation
- Research Institution
  Kyushu University
Evaluation of palladium-polymer electrolyte composite membranes synthesized by supercritical impregnation methodPrincipal Investigator
- Principal Investigator
  
  IWAI Yoshio
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Properties in chemical engineering process/Transfer operation/Unit operation
- Research Institution
  Kyushu University
直流高電圧印加による超臨界流体の流動特性の解明Principal Investigator
- Principal Investigator
  
  岩井芳夫
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Properties in chemical engineering process/Transfer operation/Unit operation
- Research Institution
  Kyushu University
Development of a micro-bioreactor system for chiral synthesis incorporated with a function of optical resolution
- Principal Investigator
  
  KAWAKAMI Koei
- Project Period (FY)
  2006 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Biofunction/Bioprocess
- Research Institution
  Kyushu University
Solubility enhancement in supercritical carbon dioxide by fluorination effect
- Principal Investigator
  
  ARAI Yasuhiko
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Properties in chemical engineering process/Transfer operation/Unit operation
- Research Institution
  KYUSHU UNIVERSITY
Analysis of complex entrainer effect on extraction of natural products with supercritical fluidsPrincipal Investigator
- Principal Investigator
  
  IWAI Yoshio
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Properties in chemical engineering process/Transfer operation/Unit operation
- Research Institution
  KYUSHU UNIVERCITY
化学プロセス設計のための物性と相平衡の計算法の新展開
- Principal Investigator
  
  NAKANISHI Koichiro
- Project Period (FY)
  2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  化学工学一般
- Research Institution
  Kurashiki University of Science and the Arts
Entrainer effect of water on supercritical fluid extraction of natural puroductsPrincipal Investigator
- Principal Investigator
  
  IWAI Yoshio
- Project Period (FY)
  2000 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  化学工学一般
- Research Institution
  Kyushu University
Anomalous Reaction Rate near the Critical Point
- Principal Investigator
  
  ARAI Yasuhiko
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  化学工学一般
- Research Institution
  KYUSHU UNIVERSITY
Separation of Aromatic Isomers by Supercritical Fluid Phase Adsorption
- Principal Investigator
  
  ARAI Yasuhiko
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  化学工学一般
- Research Institution
  KYUSHU UNIVERSITY
FUNDAMENTAL STUDY ON PURIFICATION OF ORGANIC COMPOUNDS BY CRYSTALLIZATION WITH APPLYING ELECTRIC FIELDPrincipal Investigator
- Principal Investigator
  
  IWAI Yoshio
- Project Period (FY)
  1995 – 1996
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  反応・分離工学
- Research Institution
  KYUSHU UNIVERSITY
モンテ・カルロ法による超臨界流体に対する高沸点化合物の溶解度の計算機実験Principal Investigator
- Principal Investigator
  
  岩井芳夫
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Kyushu University
モンテ・カルロ法による超臨界流体に対する高沸点化合物の溶解度の計算機実験Principal Investigator
- Principal Investigator
  
  岩井芳夫
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Research Institution
  Kyushu University
A New Development of Physical Property Prediction based on the Information of Molecular Level
- Principal Investigator
  
  NAKANISHI Koichiro
- Project Period (FY)
  1993 – 1995
- Research Category
  
  Grant-in-Aid for Co-operative Research (A)
- Research Field
  
  化学工学一般
- Research Institution
  Kurashiki University of Science and the Arts
  Kyoto University
Control of reaction with immobilized enzyme using polymeric gel
- Principal Investigator
  
  ARAI Yasuhiko
- Project Period (FY)
  1993 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  化学工学一般
- Research Institution
  KYUSHU UNIVERSITY
Solubilities of gases in aqueous solutions containing several components used in fermentation media
- Principal Investigator
  
  ARAI Yasuhiko
- Project Period (FY)
  1991 – 1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  化学工学
- Research Institution
  KYUSHU UNIVERSITY
Functional Solvent Design for Separation of Bioproducts
- Principal Investigator
  
  ARAI Yasuhiko
- Project Period (FY)
  1987 – 1988
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  化学工学
- Research Institution
  Kyushu University
Vapor Pressures of High Boiling Compounds such as Biogenic Substances
- Principal Investigator
  
  ARAI Yasuhiko
- Project Period (FY)
  1985 – 1986
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  化学工学
- Research Institution
  Kyushu University

All 2020 2019 2018 2017 2016 2015 2014 2006 Other

All Journal Article Presentation

[Journal Article] Correlation of phase equilibria by new activity coefficient model2019
- Author(s)
  Yoshio Iwai, Ryosuke Seki, Yoshihiro Tanaka
- Journal Title
  
  Fluid Phase Equilibria
  
  Volume: 488 Pages: 62-71
- DOI
  10.1016/j.fluid.2019.01.023
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06894
[Journal Article] Influence of ligands of palladium complexes on palladium/Nafion composite membranes for direct methanol fuel cells by supercritical CO2 impregnation method2014
- Author(s)
  Yoshio IWAI, Shun IKEMOTO, Kosuke HARAMAKI, Ryuhei HATTARI, Setsuko YONEZAWA
- Journal Title
  
  J. Supercritical Fluids
  
  Volume: 94 Pages: 48-58
- DOI
  10.1016/j.supflu.2014.06.015
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420805
[Journal Article] Measurement of entrainer effects of water and ethanol on solubility of caffeine in supercritical carbon dioxide by FT-IR spectroscopy2006
- Author(s)
  Y.Iwai, et al.
- Journal Title
  
  Journal of Supercritical Fluids 38
  
  Pages: 312-318
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16560660
[Journal Article] Measurement of entrainer effects of water and ethanol on solubility of caffeine in supercritical carbon dioxide by FT-IR spectroscopy2006
- Author(s)
  Y.Iwai
- Journal Title
  
  Journal of Supercritical Fluids 38
  
  Pages: 312-318
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16560660
[Journal Article] Measurement of entrainer effects of water and ethanol on solubility of caffeine in supercritical carbon dioxide by FT-IR spectroscopy
- Author(s)
  Yoshio Iwai et al.
- Journal Title
  
  Journal of Supercritical Fluids (印刷中)
- Data Source
  KAKENHI-PROJECT-16560660
[Journal Article] Activation of lipase by sol-gel coating with hydrophobic alkyl-substituted silicates in supercritical carbon dioxide
- Author(s)
  Koei Kawakami, Taiki Urakawa, Yasuhiro Oda, Yoshio Iwai
- Journal Title
  
  Journal of Chemical Technology and Biotechnology (in press)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18360397
[Presentation] 超臨界二酸化炭素雰囲気下におけるポリメタクリル酸メチル中のアントラキノン誘導体の拡散係数2020
- Author(s)
  上田航也、西山開、岩井芳夫
- Organizer
  第22回化学工学会学生発表会(岡山大会)
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] 新しい活量係数モデルを用いたグループ寄与法による相平衡の推算2020
- Author(s)
  竹尾愛、岩井芳夫、栃木勝己
- Organizer
  第22回化学工学会学生発表会(岡山大会)
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] Measurement and correlation of diffusion coefficients of anthraquinone in poly (methyl methacrylate) under supercritical carbon dioxide2019
- Author(s)
  Kai Nishiyama, Sota Nakaji, Yoshio Iwai
- Organizer
  The 32th International Symposium on Chemical Engineering
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] Application of new activity coefficient model to systems which are difficult to correlate2019
- Author(s)
  Yoshio Iwai, Yujiro Sakurada, Shoya Goto
- Organizer
  15th International Conference on Properties and Phase Equilibiria for Product and Process Design
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] New activity coefficient model for correlation and prediction of phase equilibria2019
- Author(s)
  Yoshio Iwai
- Organizer
  Asian Pacific Confederation of Chemical Engineering Congress 2019
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] 新しい活量係数モデルのグループ寄与法への適用2019
- Author(s)
  岩井芳夫, 櫻田裕次郎
- Organizer
  化学工学会第84年会
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] Correlation of vapor-liquid equilibria for binary systems by EoS-GE with new activity coefficient model2018
- Author(s)
  Yoshio Iwai, Yoshihiro Tanaka
- Organizer
  30th ESAT 2018 - European Symposium on Applied Thermodynamics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] 相関が難しい系における新しい活量係数モデルの適用性の検討2018
- Author(s)
  櫻田裕次郎, 岩井芳夫
- Organizer
  化学工学会第50回秋季大会
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] 超臨界二酸化炭素雰囲気下における溶融ポリエチレン中の溶質の拡散係数の分子動力学法による計算2018
- Author(s)
  中路颯太, 前田旭慶, 米澤節子, 岩井芳夫
- Organizer
  化学工学会第50回秋季大会
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] Molecular dynamics simulation of vapor-liquid equilibria for hexane + ethanol system with Lennard-Jones + dipole interaction potential2018
- Author(s)
  Yuta Mekata, Yoshio Iwai
- Organizer
  31th International Symposium on Chemical Engineering
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] Correlation of phase equilibria by new activity coefficient model2018
- Author(s)
  Yoshio Iwai, Ryosuke Seki, Yoshihiro Tanaka
- Organizer
  8th International Symposium on Molecular Thermodynamics and Molecular Simulation
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] Calculation of diffusion coefficients of carbon dioxide and nitrogen in molten polyethylene by molecular dynamics simulation2017
- Author(s)
  Sota Nakaji, Yoshio Iwai
- Organizer
  30th International Symposium on Chemical Engineering
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06894
[Presentation] Analysis of Nafion/Palladium composite membranes using supercritical CO2 impregnation method2016
- Author(s)
  Ryuhei Hattori, Setsuko Yonezawa, Yoshio Iwai
- Organizer
  The 3rd Joint Symposium of Kyushu Univ.-Shanghai Univ.-Yeungnam Univ. on Chemical Eng. (SKY Symposium)
- Place of Presentation
  Kyushu Univ.
- Year and Date
  2016-01-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420805
[Presentation] Measurement of diffusion coefficients for Pb(acac)2 in Nafion under supercritical carbon dioxide2015
- Author(s)
  Yasuo Hirayama, Setsuko Yonezawa, Yoshio Iwai
- Organizer
  7th International Symposium on Molecular Thermodynamics and Molecular Simulation (MTMS'15)
- Place of Presentation
  Fukuok Univ.
- Year and Date
  2015-08-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420805
[Presentation] Analysis of Nafion membranes for direct methanol fuel cells treated with supercritical CO22015
- Author(s)
  Ryuhei Hattori, Setsuko Yonezawa, Yoshio Iwai
- Organizer
  7th International Symposium on Molecular Thermodynamics and Molecular Simulation (MTMS'15)
- Place of Presentation
  Fukuoka Univ.
- Year and Date
  2015-08-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420805
[Presentation] 直接メタノール燃料電池のためのNafion膜の超臨界二酸化炭素による改質2015
- Author(s)
  服部隆平, 米沢節子, 岩井芳夫
- Organizer
  化学工学会第4７回秋季大会
- Place of Presentation
  北海道大学札幌キャンパス
- Year and Date
  2015-09-09
- Data Source
  KAKENHI-PROJECT-25420805
[Presentation] Measurement of diffusion coefficients and solubilities for Pb(acac)2 in Nafion under supercritical carbon dioxide2015
- Author(s)
  Yasuo Hirayama, Setsuko Yonezawa, Yoshio Iwai
- Organizer
  The 28th International Symposium on Chemical Engineering (the 28th ISChE)
- Place of Presentation
  Ramada Plaza Jeju, Korea
- Year and Date
  2015-12-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420805
[Presentation] 超臨界二酸化炭素含浸法を用いた直接メタノール燃料電池用パラジウム+Nafion複合膜の作製および性能評価2014
- Author(s)
  池元俊、米澤節子、岩井芳夫
- Organizer
  化学工学会第79年会
- Place of Presentation
  岐阜市柳戸岐阜大学柳戸キャンパス
- Data Source
  KAKENHI-PROJECT-25420805

1. ARAI Yasuhiko (50005435)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
2. TORU Ishidao (90212901)

# of Collaborated Projects: 5 results

# of Collaborated Products: 0 results
3. YONEZAWA Setsuko (50294898)

# of Collaborated Projects: 5 results

# of Collaborated Products: 7 results
4. HIGASHI Hidenori (40294889)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. NAKANISHI Koichiro (80025890)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
6. KAWAKAMI Koei (70091345)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
7. SHIMOYAMA Yusuke (30403984)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
8. FURUYA Takeshi (10219131)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. MISHIMA Kenji (40190623)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. SAKAI Shinji (20359938)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. FUJIHARA Ichiro (30148449)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. MIYANO Yoshinori (80109743)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. UEMATSU Masahiko (90051721)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. KITAURA Kaquo (30132723)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. KATO Haruo (40005434)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. TAMURA Kazuhiro (20143878)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. HATTORI Keiko (90164863)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 新田友茂 (00029480)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 片岡洋右 (30025407)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 舛岡弘勝 (50034385)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Iwai Yoshio 岩井 芳夫

IWAI Yoshio 岩井 芳夫

荒井 芳夫 アライ ヨシオ

Research Projects

Research Products

Co-Researchers

Development of new activity coefficient equation for correlation to estimation equation for multi-component systemsPrincipal InvestigatorOngoing

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Investigation for absorption of solutes in polymers under supercritical carbon dioxide conditionsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Evaluation of palladium-polymer electrolyte composite membranes synthesized by supercritical impregnation methodPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

直流高電圧印加による超臨界流体の流動特性の解明Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Analysis of complex entrainer effect on extraction of natural products with supercritical fluidsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Entrainer effect of water on supercritical fluid extraction of natural puroductsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

FUNDAMENTAL STUDY ON PURIFICATION OF ORGANIC COMPOUNDS BY CRYSTALLIZATION WITH APPLYING ELECTRIC FIELDPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

モンテ・カルロ法による超臨界流体に対する高沸点化合物の溶解度の計算機実験Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Institution

モンテ・カルロ法による超臨界流体に対する高沸点化合物の溶解度の計算機実験Principal Investigator

Principal Investigator

Iwai Yoshio 岩井芳夫

IWAI Yoshio 岩井芳夫

荒井芳夫アライヨシオ