Hideo Nakaoka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pupil divisional focusing position detection apparatus using lentic...
- Patent number 4,414,470
- Issue date Nov 8, 1983
- Ricoh Company, Ltd.
- Hideo Nakaoka
- G02 - OPTICS
Information Patent Grant
Cinematograph
- Patent number 4,149,782
- Issue date Apr 17, 1979
- Ricoh Company, Ltd.
- Akira Andoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY