- 1999 - 2003 Kyushu Kyoritsu University
- 1999 - 2003 Director (Professor), The Research Center
- 1981 - 1999 Kyushu Kyoritsu University Faculty of Engineering
- 1981 - 1999 Professor (Chairman, Dean, President),
- 1978 - 1981 第一経済大学、第一保育短期大学 教授
- 1978 - 1981 Professor, Daiichi Keizai University,
- 1973 - 1978 豊田中央研究所 生物研究主任
- 1973 - 1978 Chief of Biology Section, Toyota Central
- 1971 - 1973 ウエスタンオンタリオ大学医学部、ハーバード大学医学部、
- 1971 - 1973 Doctoral Fellow, Faculty of Medicine,
- 1970 - 1971 東京大学農学部 研究員
- 1970 - 1971 Research Associate, Faculty of Agriculture,
- マサチュウセッツ工科大学工学部 博士研究員
- for Enviromental Analysis
- University
- Faculty of Engineering, Kyushu Kyoritsu
- Daiichi Hoiku College
- Research and Development Laboratory
- Technology
- Natural Science, Massachusetts Institute of
- Medicine, Harvard University, Faculty of
- University of Western Ontario, Faculty of
- University of Tokyo
