Masashi KIUCHI

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Ueda-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light amount control device and projector
- Patent number 7,967,450
- Issue date Jun 28, 2011
- Seiko Epson Corporation
- Fumio Koyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
LIGHT AMOUNT CONTROL DEVICE AND PROJECTOR
- Publication number 20080218702
- Publication date Sep 11, 2008
- SEIKO EPSON CORPORATION
- Fumio KOYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE