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Naoki Sumi
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Nishi-ku, JP
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Patents Grants
last 30 patents
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Patent Grant
Reflective structure and an image display device having first, seco...
Patent number
7,630,035
Issue date
Dec 8, 2009
Naoki Sumi
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
LCD DISPLAY AND ELECTRONIC DEVICE
Publication number
20090225096
Publication date
Sep 10, 2009
TPO Displays Corp.
Masahiro Yoshiga
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Application
OPTICAL REFLECTOR AND DISPLAY DEVICE USING IT
Publication number
20080231982
Publication date
Sep 25, 2008
Naoki Sumi
G02 - OPTICS
Information
Patent Application
Optical reflector and display device using it
Publication number
20050083454
Publication date
Apr 21, 2005
Naoki Sumi
G02 - OPTICS