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Kazuhiko Nakano
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Kawasaki, JP
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last 30 patents
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Patent Grant
Multilayer optical information medium
Patent number
5,871,881
Issue date
Feb 16, 1999
Hitachi, Ltd.
Tetsuya Nishida
G11 - INFORMATION STORAGE
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Patent Grant
Optical information recording medium on which a visible display hav...
Patent number
5,805,563
Issue date
Sep 8, 1998
Nippon Columbia, Ltd.
Kazuhiko Nakano
G11 - INFORMATION STORAGE