- 1992 - 1995 兵庫女子短期大学 教授
- 1992 - 1995 Hyogo Women's College, Professor
- 1995 - - 兵庫大学経済情報学部 教授
- 1995 - - Hyogo University, Professor
- 1985 - 1991 Chuo University Faculty of Law
- 1985 - 1991 Chuo University, Professor
- 1978 - 1985 Chuo University Faculty of Law
- 1978 - 1985 Chuo University, Assistant Professor
- 1977 - 1978 Chuo University Faculty of Law
- 1977 - 1978 Chuo University, Lecturer
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