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Tomoki Hirata
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Disk drive apparatus
Patent number
6,590,849
Issue date
Jul 8, 2003
Hitachi, Ltd.
Yoshiaki Yamauchi
G11 - INFORMATION STORAGE
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Patent Grant
Disk drive apparatus
Patent number
6,496,464
Issue date
Dec 17, 2002
Hitachi, Ltd.
Yoshiaki Yamauchi
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Patent Grant
Disk drive with unbalance correcting mechanism
Patent number
6,477,133
Issue date
Nov 5, 2002
Hitachi, Ltd.
Yasuhiro Yoshimura
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Patent Grant
Disk type reproducing apparatus and revolution control method
Patent number
6,459,668
Issue date
Oct 1, 2002
Hitachi, Ltd.
Yoshihiro Satou
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