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Kouichi Igarashi
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Sodegaura, JP
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last 30 patents
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Patent Grant
Semiconductor laser apparatus
Patent number
6,546,032
Issue date
Apr 8, 2003
Mitsui Chemicals, Inc.
Yasuo Oeda
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Semiconductor laser light source and solid-state laser apparatus
Patent number
6,104,741
Issue date
Aug 15, 2000
Mitsui Chemicals Inc.
Kouichi Igarashi
G02 - OPTICS