Toshimitsu Miyauchi

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Hachiouji, JP

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Patents Grantslast 30 patents

Information Patent Grant
Information recording apparatus having automatic focusing
- Patent number 4,556,965
- Issue date Dec 3, 1985
- Hitachi, Ltd.
- Yoshito Tsunoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording apparatus including error checking ci...
- Patent number 4,308,612
- Issue date Dec 29, 1981
- Hitachi, Ltd.
- Toshimitsu Miyauchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical head for a videodisc recorder/player
- Patent number 4,301,527
- Issue date Nov 17, 1981
- Hitachi, Ltd.
- Yoshito Tsunoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head for a videodisc player/recorder
- Patent number 4,298,974
- Issue date Nov 3, 1981
- Hitachi, Ltd.
- Yoshito Tsunoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording apparatus
- Patent number 4,283,785
- Issue date Aug 11, 1981
- Hitachi, Ltd.
- Toshimitsu Miyauchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording apparatus
- Patent number 4,241,240
- Issue date Dec 23, 1980
- Hitachi, Ltd.
- Kazuo Shigematsu
- G11 - INFORMATION STORAGE