Tohru Karikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mirror operating mechanism in cassette type SLR camera
- Patent number 4,258,995
- Issue date Mar 31, 1981
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Tohru Karikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Interchangeable-lens type TTL automatic exposure camera
- Patent number 4,245,901
- Issue date Jan 20, 1981
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Tohru Karikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film feeding mechanism for camera
- Patent number 4,221,478
- Issue date Sep 9, 1980
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Tohru Karikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film feed mechanism for a spaced apart take-up shaft and film take-...
- Patent number 4,192,600
- Issue date Mar 11, 1980
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Tohru Karikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY