Wanzhen Li

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Xiamen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lighting device
- Patent number 10,344,920
- Issue date Jul 9, 2019
- XIAMEN ECO LIGHTING CO. LTD.
- Liangliang Cao
- F21 - LIGHTING
Information Patent Grant
Method for installing LED light bar into light bulb and device
- Patent number 10,247,364
- Issue date Apr 2, 2019
- XIAMEN ECO LIGHTING CO. LTD.
- Liangliang Cao
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
FILAMENT BULB WITH UNIFORM LUMINANCE
- Publication number 20180306407
- Publication date Oct 25, 2018
- XIAMEN ECO LIGHTING CO. LTD.
- Liangliang Cao
- F21 - LIGHTING
Information Patent Application
LIGHTING DEVICE
- Publication number 20180283620
- Publication date Oct 4, 2018
- XIAMEN ECO LIGHTING CO. LTD.
- Liangliang Cao
- F21 - LIGHTING
Information Patent Application
METHOD FOR INSTALLING LED LIGHT BAR INTO LIGHT BULB AND DEVICE
- Publication number 20180112833
- Publication date Apr 26, 2018
- XIAMEN ECO LIGHTING CO. LTD.
- Liangliang Cao
- F21 - LIGHTING