- 2008/09/01 - 2013/03/31 京都高度技術研究所 京都環境ナノクラスター本部・科学技術コーディネータ
- 2012/04/01 - Ritsumeikan University Research Organization of Science and Technology
- 2009/04/01 - 2012/03/31 University of Fukui
- 2007/10/01 - 2012/03/31 立命館大学総合理工学研究機構・客員教授
- 2010/04/01 - SAMCO Inc.
- 2007/04/01 - 2007/09/30 Ritsumeikian University, The Organization for the Promotion of the COE Program, Professor
- 2002/09/01 - 2007/03/31 R&D Association for Future Electron Devices
- 2002/07/01 - 2007/03/31 Ritsumeikan University, Research Organization of Science and Engineering, Peofessor
- 2002/04/01 - 2003/03/31 Kyoto Institute of Technology, Cooperative Research Center, Visiting Professor
- 1998/04/01 - 2002/06/30 Nara Institute of Science and Technology, Department of Materials Science, Visiting Professor
- 1997/01/01 - 2002/06/30 Sharp Corporation, Corporate Reserach and Development Group, Chief Technical Research Fellow
- 1996/10/01 - 1997/09/30 Osaka City University, Department of Engineering, Visiting Lecturer
- 1996/04/01 - 1996/12/31 Sharp Corporation, Corporate Reserach and Development Group, Fellow Research Scientist
- 1994/04/01 - 1996/03/31 Sharp Corporation, Corporate Reserach and Development Group, Department Manager
- 1988/06/01 - 1994/03/31 Sharp Corporation, Corporate Reserach and Development Group, Senior Research Scientist
- 1986/04/01 - 1988/05/31 Sharp Corporation, Corporate Reserach and Development Group, Research Manager
- 1982/04/16 - 1986/03/31 Sharp Corporation, Corporate Reserach and Development Group, Research Scientist
- 1977/04/01 - 1982/04/15 Kyoto University, Faculty of Engineering, Research Staff
- Ritsumeikan University Research Organization of Science and Technology Professor
