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Patent applications and USPTO patent grants for Ichino; Kazuo.The latest application filed is for "method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset".
Patent | Date |
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Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset Grant 4,748,609 - Yonezawa , et al. May 31, 1 | 1988-05-31 |
Information recording medium and method for reproducing the same Grant 4,748,611 - Tsuyoshi , et al. May 31, 1 | 1988-05-31 |
Method and apparatus for composite wobbled and push-pull tracking servo system Grant 4,707,816 - Yonezawa , et al. November 17, 1 | 1987-11-17 |
Mark signal amplifier Grant 4,297,676 - Moriya , et al. October 27, 1 | 1981-10-27 |
Method of detecting a mark by an electron beam and an apparatus therefor Grant 4,286,154 - Okubo , et al. August 25, 1 | 1981-08-25 |
Apparatus for driving a motor Grant 4,254,368 - Ido , et al. March 3, 1 | 1981-03-03 |
Driving signal control circuit Grant 4,132,939 - Kameyama , et al. January 2, 1 | 1979-01-02 |
Digital displacement sensor with zigzag coils Grant 4,005,396 - Fujiwara , et al. January 25, 1 | 1977-01-25 |
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