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Shu-Ching Chan
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Pingtung, TW
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Patents Grants
last 30 patents
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Patent Grant
Light tunnel with gradient filter layer
Patent number
7,287,863
Issue date
Oct 30, 2007
Prodisc Technology Inc.
Nai-Yueh Liang
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Light tunnel with gradient filter layer
Publication number
20060109425
Publication date
May 25, 2006
PRODISC TECHNOLOGY INC.
Nai-Yueh Liang
G02 - OPTICS