Norio Ohkawa

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spool lock member and photo film cassette having the same
- Patent number 6,447,177
- Issue date Sep 10, 2002
- Fuji Photo Film Co., Ltd.
- Norio Ohkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photo film cassette and cassette containing case for the same
- Patent number 5,971,312
- Issue date Oct 26, 1999
- Fuji Photo Film Co., Ltd.
- Tetsuya Takatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY