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Naotaka Ohtsuka
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Nara-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Semiconductor laser device and method for producing the same
Patent number
6,847,665
Issue date
Jan 25, 2005
Sharp Kabushiki Kaisha
Shigehiro Yamada
H01 - BASIC ELECTRIC ELEMENTS
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last 30 patents
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Patent Application
Semiconductor laser device and method for producing the same
Publication number
20020141465
Publication date
Oct 3, 2002
Shigehiro Yamada
H01 - BASIC ELECTRIC ELEMENTS