- 1974 - 1977 Chukyo University
- 1974 - 1977 Cyukyo university, the faculty of
- 1977 - - 中京大学商学部 教授
- 1977 - - Cyukyo university, the faculty of
- 1968 - 1974 岐阜経済大学 講師・助教授
- 1968 - 1974 Gifu college of economics, Assistant
- 1965 - 1968 Nagasaki College of Foreign Languages
- 1965 - 1968 Nagasaki foreign language junior
- commerce, Professor.
- commerce, Assistant Professor.
- Professor.
- college, Research Assistant.
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