Ryo Okamura

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Matsumoto-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light source device and projector
- Patent number 8,752,966
- Issue date Jun 17, 2014
- Seiko Epson Corporation
- Toshizo Nishi
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTOR
- Publication number 20120075864
- Publication date Mar 29, 2012
- SEIKO EPSON CORPORATION
- Toshizo Nishi
- F21 - LIGHTING