- 2003 - - 尚絅学院大学総合人間科学部 教授
- 2003 - - Professor, Faculty of Comprehensive Human
- 1993 - 2000 Tohoku University Graduate School of Information Sciences
- 1993 - 2000 Professor, Graguate School of Information Sciences,Tohoku
- 1977 - 1993 Iwate University Faculty of Humanities and Social Sciences
- 1967 - 1968 Iwate University
- 1967 - 1968 Lecturer of Liberal Arts, Iwate University
- 1962 - 1963 Tohoku University The Faculty of Arts and Letters
- 1962 - 1963 Research Associate, Faculty of Arts and Letters, Tohoku
- Univ.
- Professor, Faculty of Human and Social Sciences, Iwate
- University
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