- 1997 - 2002 Osaka Gakuin University Faculty of Economics
- 1997 - 2002 Professor Faculty to Economics,Osaka Gakuin
- 1972 - 1997 Kwansei Gakuin University School of Economics
- 1972 - 1997 Professor Faculty to Economics,Kwansei
- 1965 - 1972 Kwansei Gakuin University School of Economics
- 1965 - 1972 Associate Professor Faculty to Economics,
- 1961 - 1965 Kwansei Gakuin University School of Economics
- 1961 - 1965 Lecturer,Faculty to Economics,Kwansei Gakuin
- 1958 - 1961 Kwansei Gakuin University School of Economics
- 1958 - 1961 Research Associate,Faculty to Economics,
- Gakuin University
- University
- Kwansei Gakuin University
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