専門
1972-1977 Yokohama National University, Research Associate 1977-1981 Yokohama National University, Lecturer 1981-1984 Yokohama National University, Associate Professor 1984-1986 The University of Tokyo, Associate Professor 1986-2009 The University of Tokyo, Professor 2001-2004 Council Member at The University of Tokyo 2005-2007 Dean of School of Science, The University of Tokyo 2007-2009 Director of Center for Spectrochemistry, The University of Tokyo 2008-present Chairman of Science and Technology Section at Science Council of Japan, Cabinet Office 2009-2011 The University of Electro-Communications, Professor 2009-present The University of Tokyo, Emeritus Professor 2010-2011 Director, Innovation Research Center for Fuel Cells, The University of Electro-Communications, Professor 2011-Present Director, Innovation Research Center for Fuel Cells, The University of Electro-Communications, Project Professor 2011-Present Graduate School of Informatics and Engineering, The University of Electro-Communications, Project Professor
- 2025-04~Present: Visiting Professor, Emeritus Professor (Univ. Tokyo & Univ. Electro-Communications), Innovation Research Center for Fuel Cells and Hydrogen, The | 国立大学法人 電気通信大学, 燃料電池・水素イノベーション研究センター, 名誉教授（東京大学、電気通信大学）, 客員教授 (JPN)
- 2011-04~2025-03: Director・Project Professor, Innovation Research Center for Fuel Cells and Hydrogen, The University of Electro-Communications | 電気通信大学, 燃料電池・水素イノベーション研究センター, センター長・特任教授
- 2011-04~2025-03: Professor, Graduate School of Information Engineering Science Department of Engineering Science, The University of Electro-Communications | 電気通信大学, 大学院情報理工学研究科 基盤理工学専攻, 特任教授
- 2009-04-01~2011-03-31: Professor, Graduate School of Information Engineering Science, The University of Electro-Communications | 電気通信大学, 大学院情報理工学研究科, 教授
- 2008-04-01~2009-03-31: Director, Research Center for Spectroscopy, The University of Tokyo | 東京大学, 理学系研究科スペクトル化学研究センター, センター長
- 1986-01-16~2009-03-31: Professor, Graduate School of Science, The University of Tokyo | 東京大学, 大学院理学系研究科, 教授
- 2005-04-01~2007-03-31: Dean, School of Science, The University of Tokyo | 東京大学, 理学系研究科・理学部, 理学系研究科長・理学部長
- 2001-04-01~2004-03-31: Council Member, School of Science, The University of Tokyo | 東京大学, 理学系研究科・理学部, 評議員
- 1984-04~1986-01: Associate Professor, Graduate School of Science, The University of Tokyo | 東京大学, 大学院理学系研究科, 准教授 (JPN)
- 1981-04~1984-03: Associate Professor, Department of Applied Chemistry, Faculty of Engineering, Yokohama National University | 横浜国立大学, 工学部応用化学科, 准教授 (JPN)