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Xing Jie Yu
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Kowloon, CN
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Patents Grants
last 30 patents
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Patent Grant
Retardation films having single retardation value with variation
Patent number
7,969,543
Issue date
Jun 28, 2011
The Hong Kong University of Science and Technology
Hoi-Sing Kwok
G02 - OPTICS
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Patent Grant
Bistable liquid crystal device
Patent number
7,557,884
Issue date
Jul 7, 2009
Hong Kong University of Science and Technology
Hoi-Sing Kwok
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Bistable liquid crystal device
Publication number
20070024782
Publication date
Feb 1, 2007
Hoi-Sing Kwok
G02 - OPTICS