Ysuyoshi Masaoka

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Camera with changeable focal length
- Patent number 4,831,402
- Issue date May 16, 1989
- Fuji Photo Film Co., Ltd.
- Yoshihiro Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY