- 1999 - 2003 Miyagi University
- 1999 - 2003 Professor, Miyagi University
- 2003 - - 青森中央学院大学教授
- 2003 - - Aomori Chuo Gakuin University
- 1975 - 1999 Tohoku University
- 1975 - 1999 Professor, Tohoku University
- 1971 - 1975 Tohoku University
- 1971 - 1975 Assosiate, Professor, Tohoku University
- 1970 - 1971 Dokkyo University
- 1970 - 1971 Assosiate, Professor, Dokkyo University
- 1967 - 1970 Dokkyo University
- 1967 - 1970 Lecturer, Dokkyo University
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東北経済学会
, 日本ディレクトリ学会
, アメリカ会計学会
, 日本会計研究学会
, Tohoku Society of Economics
, Japan Directory Society
, American Accounting Association
, Japan Accounting Association