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Akira ARAKAWA
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Light diffusion sheet, and backlight unit for liquid crystal displa...
Patent number
9,753,320
Issue date
Sep 5, 2017
Keiwa Inc.
Akira Arakawa
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
LIGHT DIFFUSION SHEET, AND BACKLIGHT UNIT FOR LIQUID CRYSTAL DISPLA...
Publication number
20150098210
Publication date
Apr 9, 2015
KEIWA INC.
Akira ARAKAWA
G02 - OPTICS