- 1987 - 1998 Osaka Prefecture University
- 1987 - 1998 University of Osaka Prefecture, Professor
- 1998 - - 皇學館大学社会福祉学部 教授
- 1998 - - Kogakkan University, Faculty of Social Welfare, Professor
- 1974 - 1987 Osaka Prefecture University
- 1974 - 1987 University of Osaka Prefecture, assistant Professor
- 1971 - 1974 Osaka Prefecture University
- 1971 - 1974 University of Osaka Prefecture, Lecturer
- 1965 - 1971 Osaka University School of Letters
- 1965 - 1971 Osaka University, Faculty of Literature, Research assistant
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