- 1995 - 1998 Seiwa University
- 1995 - 1998 Seiwa University, Assistant Professor
- 1998 - - 清和大学 教授
- 1998 - - Seiwa University, Professor
- 1993 - 1995 Nagoya Meitoku Junior College
- 1993 - 1995 Nagoya Meitoku Junior College, Assistant,
- 1989 - 1992 Nagoya Meitoku Junior College
- 1989 - 1992 Nagoya Meitoku Junior College, Lecturer
- 1982 - 1985 オーストラリア・ニューサウスウェールズ大学 訪問研究員
- 1982 - 1985 Visiting Research Fellow of the Uni of N.S.W.
- Professor
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