- 2002 - 2004 九州大学有機化学基礎研究センター 教授
- 2002 - 2004 Kyushu University, The Institute for Fundamental Research of Organic Chemistry, Prof
- 2004 - - 高知大学理学部物質科学科 教授
- 2004 - - Kochi University, Faculty of Science, Prof
- 1990 - 2002 Kochi University
- 1990 - 2002 Kochi University, Faculty of Science, Prof
- 1983 - 1990 Kochi University
- 1983 - 1990 Kochi University, Faculty of Science, Associate Prof
- 1981 - 1983 カリフォルニア大学(バークリー) 博士研究員
- 1981 - 1983 UC Berkeley(USA), Research Fellow
- 1976 - 1981 Kochi University
- 1976 - 1981 Kochi University, Faculty of Liberal Arts, Associate Prof
- 1971 - 1976 Kochi University
- 1971 - 1976 Kochi University, Faculty of Liberal Arts, Assistant Prof
- 1969 - 1971 Kagoshima University Faculty of Science
- 1969 - 1971 Kagoshima University, Faculty of Science, Assistant Prof.