Shigetada Nakagawa

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Toyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection screen and method for producing the same
- Patent number 5,121,252
- Issue date Jun 9, 1992
- Mitsubishi Rayon Co., Ltd.
- Mizuo Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY