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Osamu Isoo
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Hitachi, JP
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last 30 patents
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Patent Grant
Magnetic disc driving device
Patent number
4,825,315
Issue date
Apr 25, 1989
Hitachi, Ltd.
Etsurou Hirose
G11 - INFORMATION STORAGE
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Patent Grant
Magnetic head supporting mechanism for flexible double-sided magnet...
Patent number
4,777,551
Issue date
Oct 11, 1988
Hitachi, Ltd.
Gen Seki
G11 - INFORMATION STORAGE
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Patent Grant
Ink-jet recording head apparatus
Patent number
4,379,303
Issue date
Apr 5, 1983
Hitachi, Ltd.
Mitsuhiro Nakagaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS