Keiichi Sakaguchi

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Zoom optical system
- Patent number 4,132,463
- Issue date Jan 2, 1979
- Canon Kabushiki Kaisha
- Keiichi Sakaguchi
- G02 - OPTICS
Information Patent Grant
Motion picture camera for use with a cartridge for film having a so...
- Patent number 4,120,571
- Issue date Oct 17, 1978
- Canon Kabushiki Kaisha
- Keiichi Sakaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY