Chengyong Lei

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Heat dissipation structure with splitted chimney structure
- Patent number 10,563,856
- Issue date Feb 18, 2020
- SIGNIFY HOLDING B.V.
- Jian Xue
- F21 - LIGHTING
Information Patent Grant
Heat dissipation structure with splitted chimney structure
- Patent number 10,006,621
- Issue date Jun 26, 2018
- Philips Lighting Holding B.V.
- Jian Xue
- F21 - LIGHTING
Information Patent Grant
Lighting device and luminaire
- Patent number 9,671,101
- Issue date Jun 6, 2017
- Philips Lighting Holding B.V.
- Chengyong Lei
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
HEAT DISSIPATION STRUCTURE WITH SPLITTED CHIMNEY STRUCTURE
- Publication number 20180299113
- Publication date Oct 18, 2018
- PHILIPS LIGHTING HOLDING B.V.
- Jian XUE
- F21 - LIGHTING
Information Patent Application
LIGHTING DEVICE AND LUMINAIRE
- Publication number 20160169498
- Publication date Jun 16, 2016
- Koninklijke Philips N.V.
- Chengyong Lei
- F21 - LIGHTING
Information Patent Application
HEAT DISSIPATION STRUCTURE WITH SPLITTED CHIMNEY STRUCTURE
- Publication number 20150233569
- Publication date Aug 20, 2015
- Koninklijke Philips N.V.
- Jian Xue
- F21 - LIGHTING