- 1997 - 2002 Kindai University
- 2002 - - 近畿大学 教授
- 1991 - 1997 Kindai University
- 1991 - 1997 Kin-ki University, Lecturer
- 1992 - 1993 アーヘン工科大学 客員研究員
- 1992 - 1993 RWTH Aachen, Guest Researcher
- 1987 - 1991 Kindai University
- 1987 - 1991 Kinki University, Research Associate
- 1978 - 1987 Himeji Institute of Technology
- 1978 - 1987 Himeji Institute of Technology,
- Research Associate
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