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Hideaki Yokka
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Toyama, JP
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Patents Grants
last 30 patents
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Patent Grant
Symbol illumination apparatus and video display apparatus
Patent number
7,513,429
Issue date
Apr 7, 2009
Sony Corporation
Hitoshi Takahashi
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Symbol illumination apparatus and video display apparatus
Publication number
20060101684
Publication date
May 18, 2006
Hitoshi Takahashi
G02 - OPTICS