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Saitama, JP
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Patents Grants
last 30 patents
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Patent Grant
Magento-optic disc recording and/or reproducing device
Patent number
6,820,274
Issue date
Nov 16, 2004
Sony Corporation
Kenichi Tamura
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Magneto-optical disc recording and/or reproducing device
Publication number
20050018548
Publication date
Jan 27, 2005
Sony Corporation
Kenichi Tamura
G11 - INFORMATION STORAGE