Kazuo Ichino

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Hameiramachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Composite tracking servo system for optical disc apparatus with tra...
- Patent number 4,866,688
- Issue date Sep 12, 1989
- Hitachi, Ltd.
- Masatoshi Ohtake
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording medium and method for reproducing the same
- Patent number 4,748,611
- Issue date May 31, 1988
- Hitachi, Ltd.
- Toshiaki Tsuyoshi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for composite tracking servo system with track...
- Patent number 4,748,609
- Issue date May 31, 1988
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for composite wobbled and push-pull tracking s...
- Patent number 4,707,816
- Issue date Nov 17, 1987
- Hitachi, Ltd.
- Seiji Yonezawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Mark signal amplifier
- Patent number 4,297,676
- Issue date Oct 27, 1981
- Hitachi, Ltd.
- Shigeru Moriya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of detecting a mark by an electron beam and an apparatus the...
- Patent number 4,286,154
- Issue date Aug 25, 1981
- Hitachi, Ltd.
- Tsuneo Okubo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for driving a motor
- Patent number 4,254,368
- Issue date Mar 3, 1981
- Nippon Telegraph and Telephone Public Corporation
- Satoshi Ido
- G05 - CONTROLLING REGULATING