Keizo Kono

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing optical head assembly
- Patent number 4,859,033
- Issue date Aug 22, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Keizo Kono
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical head assembly with efficient light source coupling surface...
- Patent number 4,779,259
- Issue date Oct 18, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Keizo Kono
- G11 - INFORMATION STORAGE
Information Patent Grant
Head assembly for optical disc
- Patent number 4,718,052
- Issue date Jan 5, 1988
- Mitsubishi Denki Kabushiki Kaisha
- Mitsushige Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Focusing error detecting device in head assembly for optical disc
- Patent number 4,672,187
- Issue date Jun 9, 1987
- Mitsubishi Denki Kabushiki Kaisha
- Teruo Fujita
- G02 - OPTICS