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Hideki Osawa
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Fukaya-Shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Method of controlling focus of optical disk recording and reproduci...
Patent number
7,512,042
Issue date
Mar 31, 2009
Sanyo Electric Co., LTD
Hitoshi Ogura
G11 - INFORMATION STORAGE
Information
Patent Grant
Tilt control for optical disc recording and playback apparatus
Patent number
7,164,639
Issue date
Jan 16, 2007
Sanyo Electric Co., LTD
Tsuyoshi Yamamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Signal recording apparatus
Patent number
4,897,741
Issue date
Jan 30, 1990
Sanyo Electric Co., Ltd.
Syuzi Inoue
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Method of controlling focus of optical disk recording and reproduci...
Publication number
20060013082
Publication date
Jan 19, 2006
Sanyo Electric Co., Ltd.
Hitoshi Ogura
G11 - INFORMATION STORAGE
Information
Patent Application
Tilt control for optical disc recording and playback apparatus
Publication number
20040042355
Publication date
Mar 4, 2004
SANYO ELECTRIC CO., LTD.
Tsuyoshi Yamamoto
G11 - INFORMATION STORAGE