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Eiji YOKOYAMA
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Matsumoto-shi, JP
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Patents Grants
last 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 Applications
last 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