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Hidetaka Karita
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Miyota, JP
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Patents Grants
last 30 patents
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Patent Grant
Semiconductor laser, manufacturing the same and semiconductor laser...
Patent number
7,309,879
Issue date
Dec 18, 2007
Opnext Japan, Inc.
Haruki Fukai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser, device having reduced contact resistance and m...
Patent number
7,029,936
Issue date
Apr 18, 2006
Hitachi, Ltd.
Haruki Fukai
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Semiconductor laser, manufacturing the same and semiconductor laser...
Publication number
20060131593
Publication date
Jun 22, 2006
Hitachi, Ltd.
Haruki Fukai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser, manufacturing the same and semiconductor laser...
Publication number
20040240503
Publication date
Dec 2, 2004
Hitachi, Ltd.
Haruki Fukai
H01 - BASIC ELECTRIC ELEMENTS