Cheng Kwok Sing

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lens control apparatus
- Patent number 8,363,150
- Issue date Jan 29, 2013
- Hong Kong Applied Science and Technology Research Institute Co. Ltd.
- Fan Kin Ming
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LENS CONTROL APPARATUS
- Publication number 20110141342
- Publication date Jun 16, 2011
- Hong Kong Applied Science and Technology Research Institute Co., Ltd.
- Fan Kin Ming
- G02 - OPTICS