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Hong Kong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Optical displacement sensor and distance measuring apparatus
Patent number
7,684,053
Issue date
Mar 23, 2010
Hong Kong Applied Science and Technology Research Institute Co., Ltd.
Yeung Ming Chow
G01 - MEASURING TESTING
Information
Patent Grant
Optical sensing methods and apparatus
Patent number
7,671,972
Issue date
Mar 2, 2010
Hong Kong Applied Science and Technology Research Institute Co., Ltd.
Kwok Sing Cheng
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Optical sensing methods and apparatus
Publication number
20080239325
Publication date
Oct 2, 2008
Hong Kong Applied Science Technology Research Institute Co. Ltd.
Kwok Sing Cheng
G01 - MEASURING TESTING
Information
Patent Application
Optical displacement sensor and distance measuring apparatus
Publication number
20080137071
Publication date
Jun 12, 2008
Hong Kong Applied Science and Technology Research Institute Co. Ltd.
Yeung Ming Chow
G01 - MEASURING TESTING
Information
Patent Application
Monitoring devices and surveillance devices
Publication number
20080083868
Publication date
Apr 10, 2008
Hong Kong Applied Science and Technology Research Institute Co. Ltd.
Torsten Wipiejewski
G08 - SIGNALLING