- 1978 - 1998 (株)東レリサーチセンター,主任研究員,研究室長,研究部長
- 1978 - 1998 Toray Research Center Inc., Head of Research
- 1972 - 1978 Toray Industries, Inc. Basic Research Laboratories
- 1972 - 1978 Basic Research Laboratories of Toray
- 1970 - 1972 コーネル大学,客員研究員
- 1970 - 1972 Cornell University, Visiting Scientist
- 1964 - 1970 Toray Industries, Inc. Basic Research Laboratories
- 1964 - 1970 Basic Research Laboratories of Toray Indust
- Laboratories
- Industries, Inc., Senior Research Associate
- Inc., Research Chemist
- Koriyama Women's University School of Home Economics, Department of Human Life
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