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Yuko Nakamura
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Miyagi, JP
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last 30 patents
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Patent Grant
Magneto-optical recording medium
Patent number
6,198,704
Issue date
Mar 6, 2001
Sony Corporation
Yoshihito Fukushima
G11 - INFORMATION STORAGE
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Patent Grant
Magnetooptical recording medium having improved sensitivity
Patent number
5,341,349
Issue date
Aug 23, 1994
Sony Corporation
Nobutake Kagami
G11 - INFORMATION STORAGE