Yuk Tsan Sy

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Non-glare reflective LED lighting apparatus with heat sink mounting
- Patent number 9,206,975
- Issue date Dec 8, 2015
- Huizhou Light Engine Limited
- Wa Hing Leung
- F21 - LIGHTING
Information Patent Grant
Faceted LED street lamp lens
- Patent number 9,175,832
- Issue date Nov 3, 2015
- Light Engine Limited
- Yuk Tsan Sy
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
FACETED LED STREET LAMP LENS
- Publication number 20150078011
- Publication date Mar 19, 2015
- Light Engine Limited
- Yuk Tsan Sy
- F21 - LIGHTING
Information Patent Application
NON-GLARE REFLECTIVE LED LIGHTING APPARATUS WITH HEAT SINK MOUNTING
- Publication number 20150029726
- Publication date Jan 29, 2015
- Huizhou Light Engine Limited
- Wa Hing Leung
- F21 - LIGHTING
Information Patent Application
PORCELAIN ENAMEL ON LED LIGHTING DEVICE HOUSING
- Publication number 20130039048
- Publication date Feb 14, 2013
- Chung W. Lo
- F21 - LIGHTING