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Akira Mitani
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Kanagawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Head control unit in a disk apparatus
Patent number
6,606,217
Issue date
Aug 12, 2003
Alps Electric Co., Ltd.
Hiroshi Wakuda
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Patent Grant
Recording/reproducing apparatus having controller determining head...
Patent number
6,603,631
Issue date
Aug 5, 2003
Sony Corporation
Kyoichi Shirane
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Patent Grant
Driving device and servo method with fixed-speed movement
Patent number
6,466,393
Issue date
Oct 15, 2002
Sony Corporation
Akira Mitani
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Information
Patent Grant
Recording/reproducing method and apparatus in which head driver is...
Patent number
6,407,877
Issue date
Jun 18, 2002
Sony Corporation
Akira Mitani
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Information
Patent Grant
Disk apparatus for moving head to center of target track in seek op...
Patent number
6,356,519
Issue date
Mar 12, 2002
Alps Electric Co., Ltd.
Hiroshi Wakuda
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Information
Patent Grant
Recording medium driving apparatus and tracking method
Patent number
6,304,404
Issue date
Oct 16, 2001
Sony Corporation
Akira Mitani
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Patent Grant
Optical disc drive apparatus
Patent number
5,539,711
Issue date
Jul 23, 1996
Sony Corporation
Akira Mitani
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Patents Applications
last 30 patents
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Patent Application
Hard disk drive
Publication number
20020003949
Publication date
Jan 10, 2002
Toshio Mamiya
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