- 2004 - 2010 Meisei University Faculty of Japanese Culture, Department of Japanese and Comparative Cultue
- 2010 - - 明星大学 人文学部 日本文化学科 教授
- 1998 - 2004 Akita University
- 1998 - 2004 Akita University associate professor
- 1990 - 1998 Akita University
- 1990 - 1998 Akita University associate professor
- 1986 - 1990 Akita University
- 1986 - 1990 Akita University lecturer
- 1985 - 1986 Akita University
- 1985 - 1986 Akita University assistent
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