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Hiraaki Tsujii
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Nara, JP
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last 30 patents
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Patent Grant
Optoelectronic integrated circuit
Patent number
4,956,682
Issue date
Sep 11, 1990
Matsushita Electric Industrial Co., Ltd.
Kiyoshi Ohnaka
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Method of fabricating compound semiconductor laser using selective...
Patent number
4,843,031
Issue date
Jun 27, 1989
Matsushita Electric Industrial Co., Ltd.
Yuzaburo Ban
H01 - BASIC ELECTRIC ELEMENTS