- 2000 - 2003 The Open University of Japan
- 2000 - 2003 Tokushima Schooling Center, The Univ. of the Air, Part-time Lecuturer
- 1991 - 1995 The University of Tokushima Faculty of Integrated Arts and Sciences
- 1991 - 1995 Faculty of Integrated Arts and Sciences, The Univ of T., Assistant Professor
- 1984 - 1991 The University of Tokushima
- 1984 - 1991 Tehnical College, The Univ of Tokushima, Assistant Professor
- 1978 - 1984 The University of Tokushima
- 1978 - 1984 Tehnical College, The Univ of Tokushima, Leeturer
- 1975 - 1978 The University of Tokushima
- 1975 - 1978 Tehnical College, The Univ of Tokushima, Research Assistant
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