Eiji YOKOYAMA

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Matsumoto-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Projector
- Patent number 8,827,457
- Issue date Sep 9, 2014
- Seiko Epson Corporation
- Eiji Yokoyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Projector
- Patent number 8,675,145
- Issue date Mar 18, 2014
- Seiko Epson Corporation
- Shinichi Wakabayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Prism structure and projector
- Patent number 7,661,823
- Issue date Feb 16, 2010
- Seiko Epson Corporation
- Yoshihiro Terada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PROJECTOR
- Publication number 20110181838
- Publication date Jul 28, 2011
- SEIKO EPSON CORPORATION
- Eiji YOKOYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROJECTOR
- Publication number 20110181799
- Publication date Jul 28, 2011
- SEIKO EPSON CORPORATION
- Shinichi WAKABAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Prism structure and projector
- Publication number 20060209265
- Publication date Sep 21, 2006
- SEIKO EPSON CORPORATION
- Yoshihiro Terada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE