- 2003/04 - 現在 Nara National College of Technology
- 1989/04 - 2003/03 Nara National College of Technology
- 1995 - 1998 京都大学 非常勤講師
- 1995 - 1998 Kyoto University, Part-time Lecturer
- 1988 - 1993 Osaka City University
- 1988 - 1993 Osaka City University, Part-time Lecturer
- 1986 - 1990 Kansai University
- 1986 - 1990 Kansai University, Part-time Lecturer
- 1985 - 1989 Nara National College of Technology
- 1985 - 1989 Nara National College of Technology, Lecturer
- 1982 - 1985 Nara National College of Technology
- 1982 - 1985 Nara National College of Technology, Assistant Research
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