- 1997 - 2000 Iwate Medical University
- 1997 - 2000 Iwate Medical University, Associated Professor
- 2000 - - 岩手医科大学 助教授
- 2000 - - Iwate Medical University, Assistant Professor
- 1991 - 1997 Iwate Medical University
- 1991 - 1997 Iwate Medical University, Research Assistant
- 1985 - 1988 Iwate Medical University
- 1985 - 1988 Iwate Medical University, Research Assistant
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