Wa Hing Leung

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Tin Shiu Wai, HK

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Patents Grantslast 30 patents

Information Patent Grant
Lamps having current leakage protection, systems and methods of use
- Patent number 10,251,236
- Issue date Apr 2, 2019
- Huizhou Light Engine Limited
- Wa Hing Leung
- F21 - LIGHTING
Information Patent Grant
Non-glare reflective LED lighting apparatus with heat sink mounting
- Patent number 9,322,517
- Issue date Apr 26, 2016
- Huizhou Light Engine Ltd.
- Tin Po Chu
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Non-Glare Reflective LED Lighting Apparatus with Heat Sink Mounting
- Publication number 20090290349
- Publication date Nov 26, 2009
- Tin Po Chu
- F21 - LIGHTING