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Shoichi Sakamoto
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Ibaraki, JP
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last 30 patents
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Patent Grant
Floppy disk unit with liner of fibers containing inorganic oxide po...
Patent number
5,216,566
Issue date
Jun 1, 1993
Hitachi Maxell, Ltd.
Hiroshi Obara
G11 - INFORMATION STORAGE
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Patent Grant
Recording disc cartridge
Patent number
4,709,816
Issue date
Dec 1, 1987
Hitachi Maxell, Ltd.
Fujio Matsumoto
G11 - INFORMATION STORAGE