- 1993 - 2004 Gifu Shotoku Gakuen University
- 1993 - 2004 Gifu Shotoku Gakuen University, Professor
- 1984 - 1993 聖徳学園岐阜教育大学 助教授
- 1984 - 1993 Gifu College of Education, Assistant Professor
- 1981 - 1984 Waseda University
- 1981 - 1984 Waseda University, Part-time Teacher
- 1979 - 1984 Rikkyo University
- 1979 - 1984 Rissho University
- 1979 - 1984 Rikkyo University, Part-time Teacher
- 1979 - 1984 Rissho University, Part-time Teacher
- 1979 - 1980 Nihon University
- 1979 - 1980 Nippon University, Part-time Teacher
- 1974 - 1979 Rissho University
- 1974 - 1979 Rissho University, Research Assistant
- 1977 - 1978 Rikkyo University
- 1977 - 1978 Rikkyo University, Part-time Teacher
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