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Izuo Hayashi
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Tokyo, JA
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last 30 patents
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Patent Grant
Semiconductor laser device equipped with a silicon heat sink
Patent number
4,092,614
Issue date
May 30, 1978
Nippon Electric Co., Ltd.
Isamu Sakuma
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hermetically-sealed injection semiconductor laser device
Patent number
4,003,074
Issue date
Jan 11, 1977
Nippon Selfoc Co., Ltd.
Hiroo Yonezu
G02 - OPTICS
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Patent Grant
Semiconductor double heterostructure laser device and method of mak...
Patent number
3,983,510
Issue date
Sep 28, 1976
Nippon Electric Company, Ltd.
Izuo Hayashi
H01 - BASIC ELECTRIC ELEMENTS