- 2001 - - 弘前大学 教授
- 2001 - - Hirosaki University, Professor
- 1994 - 2000 Hirosaki University
- 1994 - 2000 Hirosaki University, Assistant Professor
- 1982 - 1993 Tsuru University
- 1982 - 1993 Tsuru Bunka University, Lecturer
- 1972 - 1985 Kokugakuin University
- 1972 - 1985 Kokugakuin University, Lecturer
- 1971 - 1982 Sagami Women's University
- 1971 - 1982 Sagami Women's University, Lecturer
- 1967 - 1969 Kokugakuin University
- 1967 - 1969 Kokugakuin University, Research Assistant
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