Kyohei Okonogi

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Odawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color photographic material
- Patent number 4,228,235
- Issue date Oct 14, 1980
- Konishiroku Photo Industry Co., Ltd.
- Kyohei Okonogi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY