- 2001 - 2002 Osaka University of Human Sciences
- 1972 - 1997 Kobe University of Commerce
- 1972 - 1997 Professor
- 1970 - 1972 Kobe University of Commerce
- 1970 - 1972 auβerordentlicher Professor
- 1966 - 1970 Osaka Institute of Technology
- 1966 - 1970 Dozent
- 1965 - 1966 Koyasan University Koyasan University
- 1965 - 1966 Dozent
- 1962 - 1965 ハンブルク大学 哲学部 日本学教室 語学講師
- 1962 - 1965 Universität Hamburg, Seminar
- für Sprache und Kultur Japans, Lektor
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