WATANABE Tatsuo 渡邊達夫

… Alternative Names

Researcher Number	20034176
Other IDs
External Links
Affiliation (based on the past Project Information) *help	2007: Okayama University, Professor Emeritus 2006: Okayama University, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Professor, 大学院医歯薬学総合研究科, 教授 2005 – 2006: 岡山大学, 大学院・医歯薬学総合研究科, 教授 2001 – 2004: Okayama University, Graduate School of Medicine and Dentistry, Department of Oral Health, Professor, 大学院・医歯学総合研究科, 教授 1989 – 2000: 岡山大学, 歯学部, 教授 1987: Professor, Okayama University Dental School, 歯学部, 教授 1986: 岡山大, 歯学部, 教授
Review Section/Research Field	Principal Investigator 矯正・小児・社会系歯学 / 小児・社会系歯学 / Social dentistry Except Principal Investigator 矯正・小児・社会系歯学 / 小児・社会系歯学 / 体育学 / Conservative dentistry / Social dentistry
Keywords	Principal Investigator Periodontal disease / 機械的刺激 / プロテアーゼ / 歯周病 / 抜歯 / Tooth extraction / 血管内皮細胞 / 歯周疾患 / カルシウム結合性タンパク / プロリン・リッチ・プロテイン … More Except Principal Investigator 機械的刺激 / DRG / PPS / 唾液 / 口腔細菌 / Streptococcus mutans / 付着 / 高分子量タンパク質 / 阻害 / ハイドロキシアパタイト / ペリクル / 顎・舌下腺唾液 / ストレプトコッカス・ミュ-タンス / ハイドロキシ・アパタイト / 高分子蛋白質 / ニコチン / ヒト歯肉血管内皮細胞 / 細胞増殖・細胞活性 / フレクサ-セル / 歯科機能 / 形態測定 / 体力 / 細胞内ミネラル / 食物嗜好 / 不正咬合 / 老化 / 歯科形態 / 筋力 / 体組成 / DENTAL CONDITION / ANTHROPOMETRY / PHYSICAL FITNESS / INTRACELLULAR MINERAL / FOOD PREFERENCE / MALOCCLUSION / 長期的予後 / メインテナンス / コホート / 歯周病原性細菌 / 血清抗体価 / 喪失歯数 / 宿主因子 / コ-ホ-ト研究 / 歯周病 / 予後 / 長期経過 / 管理 / メンテナンス / longtudinal study / maintenancelevel / cohort study / antibody titer / number of Missing tooth / Periodontopathic bacteria / host factor / 歯肉微小血管 / 血管内皮細胞 / 筋弛緩因子 / ヒト歯肉微小血管 / 弛緩因子 / 蛍光法 / GINGIVAL CAPILLARY / ENDOTHELIAL CELLS / MUSCLE RELAXANT / MECHANICAL STIMULATION / 歯科診療 / 歯科医療費の原価 / 疾病分類 / 診断群別・包括支払い方式(DRG / PPS) / 社会保険診療 / 診療報酬 / 診療コスト / 歯周治療 / 処置点数 / 医業経営 / 根管治療 / DENTAL PRACTICE / DENTAL EXPENSES / ICD / HEALTH INSURANCE SYSTEM / ブラッシング / ブラッシング力 / ブラッシング頻度 / 細胞増殖能 / コラーゲン産生能 / 頻度 / プロコラーゲン / toothbrushing / brushing force / frequency / cell proliferation / collagen synthesis / 歯周炎 / ラット / リポポリサッカライド / 活性酸素種 / 脂肪肝 / 酸化ストレス / サイトカイン / 高コレステロール食 / 肝臓 / periodontitis / rat / lipopolvsaccharide / reactive oxygen species / fatty liver / oxidative stress / cytokines / high cholesterol diet Less

Relationship between lipopolysaccharide and reactive oxygen species in rat periodontitis model
- Principal Investigator
  
  YAMAMOTO Tetsuo
- Project Period (FY)
  2006 – 2007
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Social dentistry
- Research Institution
  Okayama University
Epidemiological studies of the relationships between periodontal diseases and systemic healthPrincipal Investigator
- Principal Investigator
  
  WATANABE Tatsuo
- Project Period (FY)
  2005 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Social dentistry
- Research Institution
  OKAYAMA UNIVERSITY
Mechanism and prevention of periodontal pocket formationPrincipal Investigator
- Principal Investigator
  
  WATANABE Tatsuo
- Project Period (FY)
  2001 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  矯正・小児・社会系歯学
- Research Institution
  OKAYAMA UNIVERSITY
唾液カルシウムの歯石への沈着機構に関する研究Principal Investigator
- Principal Investigator
  
  渡邊達夫
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  矯正・小児・社会系歯学
- Research Institution
  Okayama University
Cell response of dogs' periodontal tissue by toothbrushing
- Principal Investigator
  
  HORIUCHI Masazumi, 西一也
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  矯正・小児・社会系歯学
- Research Institution
  Okayama University
A Study on Cost of Dental Practice and Diagnosis Related Group/Prospective Payment System (DRG/PPS).
- Principal Investigator
  
  MIYATAKE Kokichi
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (B).
- Research Field
  
  矯正・小児・社会系歯学
- Research Institution
  TSURUMI UNIVERSITY
  Tokyo Dental College
ニコチンの歯肉に対する影響について
- Principal Investigator
  
  森木大輔
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  矯正・小児・社会系歯学
- Research Institution
  Okayama University
THE EFFECT OF MECHANICAL STRESS ON CELLS ISOLATED FROM GINGIVAPrincipal Investigator
- Principal Investigator
  
  WATANABE Tatsuo
- Project Period (FY)
  1997 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  矯正・小児・社会系歯学
- Research Institution
  OKAYAMA UNIVERSITY
Cohort Study on Management System for Periodontal Maintenance Patients.
- Principal Investigator
  
  HASEGAWA Kohji
- Project Period (FY)
  1995 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Conservative dentistry
- Research Institution
  Showa University
MUSCLE RELAXANT DERIVED FROM HUMAN GINGIVAL MICROVASCULAR ENDOTHELIAL CELLS
- Principal Investigator
  
  MORITA Manabu
- Project Period (FY)
  1995 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  矯正・小児・社会系歯学
- Research Institution
  OKAYAMA UNIVERSITY
Response of human gingival microvascular endothelial cells to mechanical stressPrincipal Investigator
- Principal Investigator
  
  WATANABE Tatsuo
- Project Period (FY)
  1993 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (A)
- Research Field
  
  矯正・小児・社会系歯学
- Research Institution
  Okayama University
THE RELATIONSHIPS AGE CHANGE OF INTRACELLULAR MINERAL TO SENILITYOF DENTAL CONDITION AND PHYSIQUES/PHYSICAL FUNCTIONS
- Principal Investigator
  
  KIKKAWA Kazutoshi
- Project Period (FY)
  1992 – 1993
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  体育学
- Research Institution
  HIROSHIMA PREFECTUAL UNIVERSITY
Criteria for tooth extraction in periodontitisPrincipal Investigator
- Principal Investigator
  
  WATANABE Tatsuo
- Project Period (FY)
  1990 – 1992
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  小児・社会系歯学
- Research Institution
  Okayama University
口腔細菌付着促進活性をもつ唾液高分子物質に関する研究
- Principal Investigator
  
  KISHIMOTO Etsuo
- Project Period (FY)
  1989 – 1990
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  小児・社会系歯学
- Research Institution
  Okayama University
Research of Public Health ot Prevent Periodontal DiseasePrincipal Investigator
- Principal Investigator
  
  WATANABE Tatsuo, 渡辺達夫
- Project Period (FY)
  1985 – 1987
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  小児・社会系歯学
- Research Institution
  Okayama University

All 2008 2007 2006 2005 2003

All Journal Article Presentation

[Journal Article] Mechanical stimulation of gingiva reduces plasma 8-OHdG level in rat periodontitis2008
- Author(s)
  Ekuni, D., Tomofuji, T., Tamaki, N., Sanbe, T., Azuma, T., Yamanaka, R., Yamamoto, T., Watanabe, T
- Journal Title
  
  Archives of Oral Biology 53(in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Journal Article] Chronic administration of lipopolysaccharide and proteases induces periodontal inflammation and hepatic steatosis in rats2007
- Author(s)
  Tomofuji, T., Ekuni, D., Yamanaka, R., Kusano, H., Azuma, T., Sanbe, T., Tamaki, N., Yamamoto, T., Watanabe, T., Miyauchi, M., Takata, T
- Journal Title
  
  Journal of Periodontology 78
  
  Pages: 1999-2006
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Journal Article] Strategy for 8020 in Japan-Reviews of the literature on periodontal disease-2005
- Author(s)
  Watanabe T et al.
- Journal Title
  
  Int J Oral Health 2
  
  Pages: 11-20
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-17209066
[Journal Article] Initial apical migration of junctional epithelium in rats following application of lipopolysaccharide and proteases2005
- Author(s)
  Ekuni D, Tomofuji T, Yamanaka R, Tachibana K, Yamamoto T, Watanabe T
- Journal Title
  
  Journal of Periodontology (in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13470450
[Journal Article] Strategy for 8020 in Japan - Review of the literature on periodontal disease -2005
- Author(s)
  Watanabe, T. et al.
- Journal Title
  
  International Journal of Oral Health 2・1
  
  Pages: 11-20
- Data Source
  KAKENHI-PROJECT-17209066
[Journal Article] Strategy for 8020 in Japan - Reviews of the literature on periodontal disease -2005
- Author(s)
  Watanabe T et al.
- Journal Title
  
  Int J Oral Health 2
  
  Pages: 11-20
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-17209066
[Journal Article] Beating stimulation promotes proliferative activity in rat gingival cells2005
- Author(s)
  Ekuni D, Yamamoto T, Yamanaka R, Tomofuji T, Watanabe T
- Journal Title
  
  Dentistry in Japan (in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13470450
[Journal Article] Proteases augment the effects of lipopolysaccharide in rat gingiva2003
- Author(s)
  Ekuni D, Yamamoto T, Yamanaka R, Tachibana K, Watanabe T
- Journal Title
  
  Journal of Periodontal Research 38(6)
  
  Pages: 591-596
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-13470450
[Presentation] Effects of toothbrushing on periodontitis-induced liver diseases2007
- Author(s)
  Sanbe, T., Tomofuji, T., Ekuni, D., Yamanaka, R., Azuma, T., Tamaki, N., Yamamoto, T., Watanabe, T
- Organizer
  56th Meeting of the Japanese Society for Dental Health
- Place of Presentation
  Tokyo
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Presentation] Effects of toothbrushing on serum 8-OHdG level in periodontitis model rats2007
- Author(s)
  Tamaki, N., Tomofuji, T., Ekuni, D., Azuma, T., Yamanaka, R., Sanbe, T., Yamamoto, T., Watanabe, T
- Organizer
  18th Meeting of the Japanese Society for Dental Health, Kinki-Chugoku-Shikoku Branch
- Place of Presentation
  Osaka
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Presentation] Effects of oxidative stress on multiple organs in the body of periodontitis model rats2007
- Author(s)
  Ekuni, D., Tomofuji, T., Tamaki, N., Yamamoto, T., Watanabe, T
- Organizer
  31st Meeting of the Japanese Society of Lipid Peroxide and Free Radical Research
- Place of Presentation
  Nagoya
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Presentation] Oxidative damage of various organs in a rat periodontitis model2007
- Author(s)
  Tamaki, N., Tomofuji, T., Ekuni, D., Azuma, T., Sanbe, T., Yamamoto, T., Watanabe, T
- Organizer
  International Academy of Periodontology Ilth International Biennial Congress
- Place of Presentation
  Berne, Switzerland
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Presentation] Effects of a high-cholesterol diet on bone mineral density of the alveolar bone in rats2007
- Author(s)
  Tomofuji, T., Ekuni, D., Azuma, T., Sanbe, T., Yamamoto, T., Watanabe, T
- Organizer
  50th Annual Meeting of the Japanese Society of Periodontology in Spring
- Place of Presentation
  Yokosuka
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Presentation] Effect of toothbrushing on liver disease in the rat periodontitis model2007
- Author(s)
  Sanbe, T., Tomofuji, T., Ekuni, D., Yamanaka, R., Azuma, T., Tanamki, N., Yamamoto, T., Watanabe, T., Miyauchi, M., Takata, T
- Organizer
  50th Annual Meeting of the Japanese Society of Periodontology in Spring
- Place of Presentation
  Yokosuka
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Presentation] Effects of mechanical stimulation on experimentally-induced periodontitis in a rat model2006
- Author(s)
  Yamamoto, T., Tomofuji, T., Ekuni, D., Yamanaka, R., Azuma, T., Kusano, H., Sanbe, T., Watanabe, T
- Organizer
  49th Annual Meeting of the Japanese Society of Periodontology in Autumn
- Place of Presentation
  Osaka
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Presentation] Mechanical stimulation of gingiva accelerates healing periodontitis in the rat2006
- Author(s)
  Ekuni, D., Yamanaka, R., Yamamoto, T., Watanabe, T
- Organizer
  7th Congress of the Asian Academy of Preventive Dentistry
- Place of Presentation
  Okayama
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Presentation] Nonalcoholic steatohepatitis in rat periotontitis model2006
- Author(s)
  Ekuni, D., Tomofuji, T., Yamanaka, R., Kusano, H., Azuma, T., Sanbe, T., Tamaki, N., Yamamoto, T., Watanabe, T., Miyauchi, M., Takata, T
- Organizer
  49th Annual Meeting of the Japanese Society of Periodontology in Autumn
- Place of Presentation
  Osaka
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277
[Presentation] Elevated serum lipopolysaccharide induces liver injury in the rat periodontitis model2006
- Author(s)
  Tomofuji, T., Ekuni, D., Yamanka, R., Azuma, T., Sanbe, T., Yamamoto, T., Watanabe, T., Miyauchi, M., Takata, T
- Organizer
  7th Congress of the Asian Academy of Preventive Dentistry
- Place of Presentation
  Okayama
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-18592277

1. MORITA Manabu (40157904)

# of Collaborated Projects: 8 results

# of Collaborated Products: 0 results
2. YAMAMOTO Tatsuo (20252984)

# of Collaborated Projects: 5 results

# of Collaborated Products: 15 results
3. NISHI Kazuya (10274002)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
4. ISHIKAWA Akira (70222958)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. HORIUCHI Masazumi (70314698)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. KISHIMOTO Etsuo (20091316)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. TADA Tohru (80304319)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
8. TOMOFUJI Takaaki (80335629)

# of Collaborated Projects: 2 results

# of Collaborated Products: 13 results
9. EKUNI Daisuke (70346443)

# of Collaborated Projects: 2 results

# of Collaborated Products: 15 results
10. KANEGAE Masaru (80214451)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. KATOH Takeharu (30194830)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. YAMASHITA Atsushi (00066995)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. KIKKAWA Kazutoshi (00112277)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. YASUDA Minoru (10230228)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. TANAKA Akio (00116948)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. ICHIKAWA Hiroyuki (20193435)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. SUGIMOTO Tomosada (50135729)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. HASEGAWA Kohji (70014024)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. SUZUKI Joichiro (10187734)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. MURAKAMI Shinya (70239490)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. ISHIKAWA Isao (10014151)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. MURAYAMA Yoji (50029972)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. MIYATAKE Kokichi (40256318)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. KAWABUCHI Koichi (10308934)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. OKADA Mahito (50276987)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. SAKAMOTO Tomonori (30325120)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. TAKEHARA Tadamichi (00038879)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. NAKAGAKI Haruo (10097595)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. SHIZUKUISHI Satoshi (00028789)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
30. YAMASHITA Yoshihisa (20192403)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
31. SAITO Toshiyuki (10170515)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
32. YAMANAKA Reiko (00379760)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
33. KIMURA Toshihide (30186324)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
34. TSURUMI Mayumi (00172073)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
35. NISHIGAWA Mariko (10170599)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
36. 森木大輔 (30294416)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
37. 大石憲一 (80314699)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
38. 佐藤正喜 (90205964)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
39. 柴田純弘 (10216020)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
40. 友實毅 (00207630)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
41. 徳村和明 (60205325)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
42. 梶浦靖二 (60243482)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
43. 渡辺孝章 (20130974)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
44. 宮崎秀夫 (00157629)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
45. 小泉和浩 (40178182)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
46. 岡崎眞奈美 (30177042)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

WATANABE Tatsuo 渡邊 達夫

渡邉 達夫 ワタナベ タツオ

渡辺 達夫 ワタナベ タツオ

渡辺 逹夫 ワタナベ タツオ

Research Projects

Research Products

Co-Researchers

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Epidemiological studies of the relationships between periodontal diseases and systemic healthPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Mechanism and prevention of periodontal pocket formationPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

唾液カルシウムの歯石への沈着機構に関する研究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

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

THE EFFECT OF MECHANICAL STRESS ON CELLS ISOLATED FROM GINGIVAPrincipal 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

Response of human gingival microvascular endothelial cells to mechanical stressPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Criteria for tooth extraction in periodontitisPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

WATANABE Tatsuo 渡邊達夫

渡邉達夫ワタナベタツオ

渡辺達夫ワタナベタツオ

渡辺逹夫ワタナベタツオ