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Yasushi Katanuma
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Furukawa, JP
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last 30 patents
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Patent Grant
Hard disk driving device having a plurality of head sliders with eq...
Patent number
5,053,904
Issue date
Oct 1, 1991
Alps Electric Co., Ltd.
Takashi Yamano
G11 - INFORMATION STORAGE
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Patent Grant
Disk tracking device
Patent number
4,792,707
Issue date
Dec 20, 1988
Alps Electric Co., Ltd.
Yasushi Katanuma
G01 - MEASURING TESTING