Seiji Muro

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Niihama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projection screen having a plural number of light control layers
- Patent number 7,586,680
- Issue date Sep 8, 2009
- Sumitomo Chemical Company, Limited
- Toyokazu Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Projection screen
- Publication number 20050219692
- Publication date Oct 6, 2005
- Sumitomo Chemical Company, Limited
- Toyokazu Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY