- 2020/09 - 現在 Tokyo Institute of Technology Innovator and Inventor Development Platform Professor
- 2017/07 - 2020/07 Hitotsubashi University Institute of Innovation Research Professor
- 2019/09 - 2020/03 Tokyo Institute of Technology School of Environment and Society, Technology and Innovation Management Lecturer (part-time)
- 2019/04 - 2020/03 Tokyo Institute of Technology The Innovator and Inventor Development Platform Lecturer (part-time)
- 2018/04 - 2020/03 Yokohama National University Graduate School of Engineering Science Lecturer (part-time)
- 2015/08 - 2017/07 National Institute of Technology and Evaluation Department of Planning and Management Director-General
- 2014/07 - 2015/07 Ministry of Economy, Trade and Industry International Electrotechnology Standardization Division, Industrial Science and Technology Policy and Environment Bureau Director
- 2013/07 - 2014/07 Ministry of Economy, Trade and Industry Conformity Assessment Division, Industrial Science and Technology Policy and Environment Bureau Director
- 2012/04 - 2013/06 New Energy and Industrial Technology Development Agency Electronics, Material Technology and Nanotechnology Department Director-General
- 2010/08 - 2012/03 New Energy and Industrial Technology Development Agency New Energy Technology Department Director-General
- 2008/07 - 2010/07 Ministry of Economy, Trade and Industry International Plant Business Promotion Office, Manufacturing Industries Bureau Director
- 2006/06 - 2008/07 Ministry of Economy, Trade and Industry Standardization Office for Electronics and Information Technology, Industrial Science and Technology Policy and Environment Bureau Director
- 2005/10 - 2006/05 Ministry of Economy, Trade and Industry Industrial Science and Technology Policy and Environment Bureau Director of Standardization Cooperation
- 2003/10 - 2005/10 Deutsche Security Limited, Tokyo Branch Office Equity Research Department Advisor
- 2001/01 - 2003/10 Ministry of Economy, Trade and Industry Information Policy Division, Commerce and Information Industries Bureau Deputy-Director
- 1999/06 - 2001/01 Ministry of International Trade and Industry Industrial Electronics Division, Machinery and Information Industries Bureau Deputy-Director
- 1996/04 - 1997/06 Ministry of International Trade and Industry Technology Cooperation Division, Trade Policy Bureau Deputy-Director
- 1994/06 - 1996/03 Ministry of International Trade and Industry Economic Cooperation Division, Trade Policy Bureau
- 1993/09 - 1994/06 Ministry of International Trade and Industry Chemical Weapons and Drag Materials Control Office, Basic Industries Division Section Chief
- 1992/06 - 1993/08 Ministry of International Trade and Industry Chemical Safety Division, Basic Industries Bureau Section Chief
- 1990/03 - 1992/06 Ministry of International Trade and Industry Research Administration Division, Agency of Industrial Science and Technology Section Chief
- 1989/04 - 1990/03 Ministry of International Trade and Industry Administration Division, Machinery and Information Industries Bureau Officer