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Takamasa Yamagishi
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Kanagawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Optical disc recording and/or playing apparatus and method
Patent number
7,362,671
Issue date
Apr 22, 2008
Sony Corporation
Yoichiro Sako
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Optical disk recording and/or reproducing apparatus and its recordi...
Publication number
20040027980
Publication date
Feb 12, 2004
Yoichiro Sako
G11 - INFORMATION STORAGE