- 1989 - 2001 Gunma Prefectural Women's University
- 1989 - 2001 Gunma Prefectural Women's University, Professor
- 1985 - 1989 Gunma Prefectural Women's University
- 1985 - 1989 Gunma Prefectural Women's University, Assistant Professor
- 1978 - 1985 Shinshu University
- 1978 - 1985 Shinshu University, Assistant Professor
- 1973 - 1978 Tottori University
- 1973 - 1978 Tottori University, Assistant Professor
- 1972 - 1973 Tottori University
- 1972 - 1973 Tottori University, Research Assistant
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