- 2005 - 2007 Saitama Junior College
- 2004 - 2006 Shoin University
- 2000 - 2004 松蔭女子大学 非常勤講師
- 2000 - 2001 Hokuriku University Faculty of Law
- 2000 - 2001 Hokuriku University, Lecturer
- 2000 - - 平成国際大学大学院教授
- 2000 - - Shoin Women's University, Lecturer
- 1984 - 1996 嘉悦女子短期大学 教授
- 1984 - 1996 Kaetsu Women's College, Professor
- 1996 - - 平成国際大学法学部教授
- 1991 - 1995 Nihon Bunka College The Law Department
- 1991 - 1995 Nihon Bunka University, Lecturer
- 1984 - 1988 Komazawa University Faculty of Law
- 1984 - 1988 Komazawa University, Lecturer
- 1981 - 1984 嘉悦女子短期大学 助教授
- 1981 - 1984 Kaetsu Women's College, Assistant Professor
- 1972 - 1981 日本女子経済短期大学 専任講師
- 1972 - 1981 Nihon Women's Junior College of Economics,
- 1968 - 1972 日本女子経済短期大学 助手
- 1968 - 1972 Nihon Women's Junior College of Economics,
- Lecturer
- Research Assistant
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