- 2002 - 2003 Risshikan University
- 2002 - 2003 Risshikan University, Professor
- 2003 - - 呉大学、教授
- 2003 - - Kure University, Professor
- 2000 - 2002 広島安芸女子大学,教授
- 2000 - 2002 Hiroshima Aki Women's University, Professor
- 1991 - 2000 広島女子商短期大学,教授
- 1991 - 2000 Hiroshima Women's Commercial College, Professor
- 1989 - 1991 広島女子商短期大学,助教授
- 1989 - 1991 Hiroshima Women's Commercial College, Assistant Professor
- 1985 - 1989 Nippon Bunri University
- 1985 - 1989 Nippon Bunri University, Assistant Professor
- 1980 - 1985 Nippon Bunri University
- 1980 - 1985 Nippon Bunri University, lecturer
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