Sandy To

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Kowloon, CN

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Patents Grantslast 30 patents

Information Patent Grant
LED automotive tail lamp set
- Patent number 10,132,463
- Issue date Nov 20, 2018
- The Hong Kong Polytechnic University
- Chi Fai Cheung
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
LED automotive tail lamp set
- Publication number 20100039830
- Publication date Feb 18, 2010
- The Hong Kong Polytechnic University
- Chi Fai Cheung
- G02 - OPTICS