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Akira Hatsugai
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Ora-gun, JP
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Patents Grants
last 30 patents
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Patent Grant
Optical semiconductor integrated circuit device
Patent number
7,473,945
Issue date
Jan 6, 2009
Sanyo Electric Co., LTD
Tsuyoshi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Manufacturing method of optical semiconductor integrated circuit de...
Patent number
7,235,418
Issue date
Jun 26, 2007
Sanyo Electric Co., LTD
Tsuyoshi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing optical semiconductor integrated circuit de...
Patent number
7,067,347
Issue date
Jun 27, 2006
Sanyo Electric Co., LTD
Tsuyoshi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor integration device and fabrication method of the same
Patent number
6,114,744
Issue date
Sep 5, 2000
Sanyo Electric Company
Masayuki Kawaguchi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Optical semiconductor integrated circuit device
Publication number
20050218417
Publication date
Oct 6, 2005
Sanyo Electric Co., Ltd.
Tsuyoshi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacturing optical semiconductor integrated circuit de...
Publication number
20050118815
Publication date
Jun 2, 2005
Sanyo Electric Co., Ltd.
Tsuyoshi Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Manufacturing method of optical semiconductor integrated circuit de...
Publication number
20050106767
Publication date
May 19, 2005
Sanyo Electric Co., Ltd.
Tsuyoshi Takahashi
H01 - BASIC ELECTRIC ELEMENTS