Yoosuke Hamada

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disk drive and method of controlling the same
- Patent number 5,229,896
- Issue date Jul 20, 1993
- Hitachi, Ltd.
- Souichi Tohyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for driving a servo system while suppressing r...
- Patent number 4,956,789
- Issue date Sep 11, 1990
- Hitachi, Ltd.
- Yoosuke Hamada
- G05 - CONTROLLING REGULATING