- 2016/02 - 現在 The Executive Yuan, Taiwan The Premier’s Advisory Board of Science and Technology Member
- 2015/07 - 現在 Japan Science Foundation Science Museum Director
- 2015/06 - 現在 Toray Industries, Inc. Member, Board of Directors (External)
- 2015/06 - 現在 Japan Science and Technology Agency Center for Research and Development Strategy (CRDS) Director
- 2015/04 - 現在 RIKEN Advisor Emeritus
- 2013 - 現在 Kazan Federal University, Russia International Supervisory Board Member
- 2013/01 - 現在 International Organization of Chemical Science in Development, Belgium Member, Senior Advisory Council
- 2012/02 - 現在 Institute for Basic Science, Korea Scientific Advisory Board Member
- 2004/10 - 現在 Nagoya University Distinguished Research Professor
- 2002/04 - 現在 Meijo University Guest Professor
- 2002 - 現在 The Japan Academy Member
- 2001/06 - 現在 Takasago International Corporation Member, Board of Directors (External)
- 2023/06 - Asahi Glass Foundation The Blue Planet Prize Presentation Committee Chair
- 2018/06 - 2022/12 The Japan Academy Chairperson of Section II
- 2022/12 - The Japan Academy Vice President
- 2016/06 - 2021/05 Japan Society for the Promotion of Science WPI Chair
- 2019 - 2021 Institute of Chemical Technology, India Distinguished Adjunct Professor
- 2019/11 - the Naito Foundation Chair, Board of Council
- 2019 - the Turkish-Japanese Science and Technology University Member of Council
- 2018 - Okinawa Institute of Science and Technology Graduate University (OIST) Member, Board of Governors
- 2008/10 - 2017/09 Science Council of Japan Correspondence Member
- 2007/06 - 2016/05 World Premier International (WPI) Initiative Program Assessment and Review Committee,Japan Society for the Promotion of Science Member
- 2003/10 - 2015/03 Riken President(President Emeritus)
- 2005/02 - 2015/02 Ministry of Education, Culture, Sports, Science and Technology Science and Technology Council Chair
- 2013/03 - the Tang Prize Foundation ,Taiwan The Tang Prize Committees Member, Advisory Board
- 2010/08 - 2012/03 IUPAC and UNESCO International Year of Chemistry 2011, Japan Committee Chair
- 2011/09 - Member, University of Malaya High Impact Research Advisory Council Member
- 2006 - 2011/03 International Chemistry Olympiad Chair
- 2009/04 - 2011/01 ,Ministry of Education, Culture, Sports, Science and Technology Special Committee for the Science and Technology Basic Plan Chair
- 2009/04 - 2010/03 Japan Society for the Promotion of Science 2nd HOPE Meeting Chair
- 2008/02 - 2009/11 Education Rebuilding Conference Member
- 2009/04 - 2009/07 Ministry of Education, Culture, Sports, Science and Technology Advisory Committee on Enhancement of Basic Science Capability Chair
- 2005/02 - 2009/01 Ministry of Education, Culture, Sports, Science and Technology Central Council for Education Member
- 2005/10 - 2008/09 Science Council of Japan Member
- 2006/10 - 2008/01 Education Rebuilding Council Chair
- 2007/05 - The Visit of the Emperor and Empress to Europe Head of the Official Suite
- 2003/10 - 2004/10 Nagoya University Specially Appointed Professor
- 2003/07 - 2004/09 Japan Society for the Promotion of Science Research Center for Science System Director (Director Emeritus, 2003.10-2004.9)
- 2002/04 - 2003/09 Nagoya University Institute of Advanced Resarch President
- 1996/04 - 2003/09 Nagoya University Graduate School of Science Professor
- 2001/04 - 2003/06 Japan Society for the Promotion of Science
- 1972/08 - 2003/03 Nagoya University Department of Chemistry Professor
- 2001/02 - 2003/01 Ministry of Education, Culture, Sports, Science and Technology Science and Technology Council Member
- 1996/04 - 2002/03 Japan Society for the Promotion of Science Research for the Future Program on "Advanced Processes" Committee Chairman
- 1996/02 - 2001/01 Ministry of Education, Science, Sports and Culture Scientific Council Member
- 1997/01 - 1999/12 Nagoya University Graduate School of Science
- 1993/09 - 1996/12 Kyushu University Institute for Fundamental Research of Organic Chemistry Professor
- 1991/04 - 1996/09 ERATO Molecular Catalysis Project of the Research Development Corporation of Japan Director
- 1992/04 - 1996/03 Ministry of Education, Science and Culture Science Advisor
- 1979/04 - 1991/03 Nagoya University Chemical Instrument Center Director
- 1988 - 1990 文部省 特別推進研究 代表
- 1968/02 - 1972/08 Nagoya University Department of Chemistry Associate Professor
- 1963/04 - 1968/01 Kyoto University Faculty of Engineering School of Industrial Chemistry Instructor