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Toshiaki Ohyama
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Yokohama, JP
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Patents Grants
last 30 patents
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Patent Grant
Television device for adjusting quality of video image to be displayed
Patent number
8,390,640
Issue date
Mar 5, 2013
Hitachi Consumer Electronics Co., Ltd.
Hiroshi Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video signal processing circuit, video display apparatus, and video...
Patent number
7,265,795
Issue date
Sep 4, 2007
Hitachi, Ltd.
Toshiaki Ohyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
TELEVISION DEVICE
Publication number
20100220109
Publication date
Sep 2, 2010
Hiroshi AOKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Video signal processing circuit, video display apparatus, and video...
Publication number
20040246537
Publication date
Dec 9, 2004
Hitachi, Ltd
Toshiaki Ohyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE