Tokuichi Tunekawa

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Yokohama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Exposure control system stabilized against temperature variation
- Patent number 4,037,234
- Issue date Jul 19, 1977
- Canon Kabushiki Kaisha
- Tokuichi Tunekawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Indication system of a camera
- Patent number 4,032,933
- Issue date Jun 28, 1977
- Canon Kabushiki Kaisha
- Tadashi Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Temperature compensated exposure control apparatus for a camera
- Patent number 4,000,498
- Issue date Dec 28, 1976
- Canon Kabushiki Kaisha
- Tokuichi Tunekawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY