- 1995 - 2000 Osaka University
- 1995 - 2000 Osaka University, Associate Professor
- 2000 - - 神奈川大学 教授
- 2000 - - Kanagawa University, Professor
- 1980 - 1995 Osaka University
- 1980 - 1995 Osaka University, Research Assistant
- 1977 - 1980 ウェイン州立大学 博士研究員
- 1977 - 1980 Wayne State University, Research Associate
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