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Ryo Hyodo
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Matsumoto-shi, JP
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last 30 patents
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Patent Grant
Projector with optical filter reducing internal multiple reflections
Patent number
8,308,305
Issue date
Nov 13, 2012
Seiko Epson Corporation
Kiyotaka Nakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Projector
Publication number
20070047052
Publication date
Mar 1, 2007
SEIKO EPSON CORPORATION
Kiyotaka Nakano
H04 - ELECTRIC COMMUNICATION TECHNIQUE