- 2014/04/01 - 現在 Tamagawa University
- 2012/09/01 - 2014/03/31 Kanagawa University
- 2012/04/01 - 2014/03/31 Tamagawa University
- 2009/04/01 - 2012/03/31 Minami High School
- 2008/04/01 - 2009/03/31 -
- 2007/04/01 - 2008/03/31 Yokohama City Board of Education
- 2003/04/01 - 2007/03/31 Yokohama City Board of Education
- 2002/04/01 - 2003/03/31 Minamikibogaoka Junior High School
- 2001/04/01 - 2002/03/31 Minamikibogaoka Junior High School
- 1999/04/01 - 2001/03/31 Yokohama City Board of Education
- 1996/04/01 - 1999/03/31 Yokohama City Board of Education
- 1974/04/01 - 1996/03/31 -
- Tamagawa University Graduate School of Education, Graduate School of Education( Teaching Profession ) Professor
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