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Nobuhiro Nagano
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Miyagi, JP
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last 30 patents
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Patent Grant
Optical recording/reproducing medium, mother stamper for producing...
Patent number
7,242,662
Issue date
Jul 10, 2007
Sony Corporation
Sohmei Endoh
G11 - INFORMATION STORAGE
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Patent Grant
Magnetic recording medium, magnetic recording/reproducing apparatus...
Patent number
6,051,299
Issue date
Apr 18, 2000
Sony Corporation
Hiroshi Uchiyama
G11 - INFORMATION STORAGE
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last 30 patents
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Patent Application
Optical recording and reproducing medium, mother stamper for manufa...
Publication number
20040022162
Publication date
Feb 5, 2004
Sohmei Endoh
G11 - INFORMATION STORAGE