Yusuke Watanabe

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Isehara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Servo device for spindle motor
- Patent number 5,486,744
- Issue date Jan 23, 1996
- Ricoh Company, Ltd.
- Yusuke Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk unit control method for removing dust from a disk
- Patent number 5,461,521
- Issue date Oct 24, 1995
- Ricoh Company, Ltd.
- Nobuhiko Ito
- G11 - INFORMATION STORAGE