- 1994 - 2004 University of Tsukuba Institute of Information Sciences and Electronics
- 1994 - 2004 Professor, Institute of Information Sciences and Electronics, University of Tsukuba
- 2004 - - 筑波大学 システム情報工学研究科 教授
- 2004 - - Professor, Graduate School of Systems and Information Engineering
- 1980 - 1994 University of Tsukuba Institute of Materials Science
- 1980 - 1994 Associate Professor, Institute of Materials Science, University of Tsukuba
- 1994 - University of Tsukuba Institute of Information Sciences and Electronics
- 1994 - Associate Professor, Institute of Information Sciences and Electronics, University of Tsukuba
- 1971 - 1980 Osaka University School of Engineering Science Direct Affiliates
- 1971 - 1980 Research Associate, Faculty of Engineering Science, Osaka University
- 1973 - 1975 McGill University
- 1973 - 1975 Postdoctoral Research Fellow, Faculty of Engineering, McGill University
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The New York Academy of Sciences
, Optical Society of America
, 応用物理学会分科会日本光学会
, 電子情報通信学会
, The New York Academy of Sciences