Kei Ikeda

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Automatic focusing apparatus of camera
- Patent number 4,933,700
- Issue date Jun 12, 1990
- Nikon Corporation
- Kei Ikeda
- G02 - OPTICS
Information Patent Grant
Exposure correction device for camera
- Patent number 4,652,102
- Issue date Mar 24, 1987
- Nippon Kogaku K.K.
- Hidehiro Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY