- 1984 - 1998 Osaka City University
- 1984 - 1998 Institute for Economic Research, Osaka City
- 1972 - 1984 Osaka City University
- 1972 - 1984 Institute for Economic Research, Osaka City
- 1966 - 1972 Kagawa University Faculty of Economics
- 1966 - 1972 Kagawa University, Associate Professor
- 1963 - 1964 Kagawa University Faculty of Economics
- 1963 - 1964 Kawaga University, Assistant
- University, Professor
- University, Associate Professor
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