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Yasuyuki Hirose
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Furukawa, JP
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last 30 patents
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Patent Grant
Recording and reproducing device for magnetic disc including a head...
Patent number
4,672,490
Issue date
Jun 9, 1987
Alps Electric Co. Ltd.
Osamu Shigenai
G11 - INFORMATION STORAGE
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Patent Grant
Drive apparatus for flexible magnetic discs
Patent number
4,380,782
Issue date
Apr 19, 1983
Alps Electric Co., Ltd.
Yasuyuki Hirose
G11 - INFORMATION STORAGE