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Hitoshi Ogura
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Isesaki-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
Patents Applications
last 30 patents
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Patent Application
OPTICAL PICKUP APPARATUS
Publication number
20130083643
Publication date
Apr 4, 2013
SANYO Optec Design Co., Ltd.
Hitoshi OGURA
G11 - INFORMATION STORAGE
Information
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