- 2001 - 2005 Kyushu Women's University
- 1991 - 2002 The University of Kitakyushu
- 1991 - 2002 The University of Kitakyushu, Part-time teacher
- 1993 - 2000 Kyushu Women's University
- 1986 - 1994 Shimonoseki City University
- 1986 - 1994 Shimonoseki City University, Part-time teacher
- 1987 - 1993 Yamaguchi University
- 1987 - 1993 Yamaguchi University, Part-time teacher
- 1983 - 1993 Kurume University
- 1983 - 1993 Kurume University, Part-time teacher
- 1982 - 1993 Kyushu Sangyo University
- 1982 - 1993 Kyushu Sangyo University, Part-time teacher
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