- 1998 - 2002 Kanagawa Dental College
- 1998 - 2002 Kanagawa Dental College, Lecturer
- 1995 - 1998 Kanagawa Dental College
- 1995 - 1998 Kanagawa Dental College, Assistant
- 1990 - 1991 Jichi Medical University
- 1990 - 1991 Jichi Medical School, Assistant
- 1988 - 1990 Jichi Medical University
- 1988 - 1990 Jichi Medical School, Resident
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