Sze Keun Chan

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
LED illuminating street lamp with power generation system
- Patent number 8,733,965
- Issue date May 27, 2014
- Sze Keun Chan
- F21 - LIGHTING
Information Patent Grant
Solar energy driven LCD hanging-brand for advertising
- Patent number 7,929,065
- Issue date Apr 19, 2011
- Sze Keun Chan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
LED lighting lamp tube
- Patent number 7,476,004
- Issue date Jan 13, 2009
- Sze Keun Chan
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Solar Powered Led Street Lamp With Automatic Light Control
- Publication number 20110170283
- Publication date Jul 14, 2011
- Sze Keun Chan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Lcd Hanging Brand Using Solar Energy for Advertising
- Publication number 20080284923
- Publication date Nov 20, 2008
- Sze Keun Chan
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Led Lamp
- Publication number 20080285269
- Publication date Nov 20, 2008
- Sze Keun Chan
- F21 - LIGHTING
Information Patent Application
Emergency and Alarm Lamp with a Video Camera
- Publication number 20080246844
- Publication date Oct 9, 2008
- Sze Keun Chan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LED Lighting Lamp Tube
- Publication number 20080037245
- Publication date Feb 14, 2008
- Sze Keun Chan
- F21 - LIGHTING