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Ryo YOSHII
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Matsumoto-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Image display apparatus and shutter device
Patent number
9,344,711
Issue date
May 17, 2016
Seiko Epson Corporation
Ryo Yoshii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
IMAGE DISPLAY APPARATUS AND SHUTTER DEVICE
Publication number
20130300844
Publication date
Nov 14, 2013
SEIKO EPSON CORPORATION
Ryo YOSHII
H04 - ELECTRIC COMMUNICATION TECHNIQUE