- 1994 - 1997 Kobe Women's University
- 1994 - 1997 Kobe Women's University, Associate Professor
- 1984 - 1994 Osaka Kyoiku University
- 1984 - 1994 Osaka University of Education, Associate Professor
- 1988 - カーネギーメロン大学 文部省在外研究員
- 1988 - - Visiting Professor, Carnegie Mellon University
- 1979 - 1984 Osaka Kyoiku University
- 1979 - 1984 Osaka University of Education, Research Assistant
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