- 2000 - 2003 Toyama University of International Studies
- 2000 - 2003 Toyama University of International Studies, Lecturer
- 2000 - 2002 University of Toyama
- 2000 - 2002 Toyama University, Part time Lecturer
- 1999 - 2000 Kokushikan University
- 1999 - 2000 Kokushikan University, Part time Lecturer
- 1998 - 2000 Rikkyo University
- 1998 - 2000 Rikkyo University, Part time Lecturer
- 1997 - 2000 Chuo University
- 1997 - 2000 Chuo University, Part time Lecturer
- 1996 - 2000 Rissho University
- 1996 - 2000 Rissho University, Part time Lecturer
- 1991 - 1996 Rissho University
- 1991 - 1996 Rissho University, Research Assistant
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