Kooetsu Okuyama

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Tsuchiura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information recording and/or reproducing apparatus having a tape th...
- Patent number 5,754,361
- Issue date May 19, 1998
- Hitachi, Ltd.
- Kazuo Sakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing apparatus
- Patent number 5,739,976
- Issue date Apr 14, 1998
- Hitachi, Ltd.
- Kazuo Sakai
- G11 - INFORMATION STORAGE
Information Patent Grant
Control method and apparatus for a servo- mechanism
- Patent number 5,497,059
- Issue date Mar 5, 1996
- Hitachi, Ltd.
- Fujio Tajima
- G05 - CONTROLLING REGULATING
Information Patent Grant
Servo control method for a servo system
- Patent number 5,371,449
- Issue date Dec 6, 1994
- Hitachi, Ltd.
- Fujio Tajima
- G05 - CONTROLLING REGULATING
Information Patent Grant
Control method and apparatus for a servo-mechanism
- Patent number 5,352,961
- Issue date Oct 4, 1994
- Hitachi, Ltd.
- Fujio Tajima
- G05 - CONTROLLING REGULATING