Kazuhiro Chigita

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disk drive apparatus and method including power backup
- Patent number 5,602,805
- Issue date Feb 11, 1997
- Ricoh Company, Ltd.
- Kazuhiro Chigita
- 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