Hui Chen

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Ningbo, CN

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Patents Grantslast 30 patents

Information Patent Grant
Primary light distribution structure of directional light source
- Patent number 10,648,625
- Issue date May 12, 2020
- NINGBO YAMAO OPTOELECTRONICS CO., LTD.
- Hui Chen
- F21 - LIGHTING
Information Patent Grant
Multiple light distribution structure of directional light source
- Patent number 10,359,174
- Issue date Jul 23, 2019
- Ningbo Yamao Optoelectronics Co., Ltd.
- Hui Chen
- F21 - LIGHTING
Information Patent Grant
Parabolic LED lamp
- Patent number 10,030,848
- Issue date Jul 24, 2018
- NINGBO YAMAO OPTOELECTRONICS CO., LTD.
- Maojun Cao
- F21 - LIGHTING
Information Patent Grant
Parabolic LED lamp
- Patent number D801557
- Issue date Oct 31, 2017
- NINGBO YAMAO OPTOELECTRONICS CO., LTD.
- Maojun Cao
- D26 - Lighting
Information Patent Grant
Wide-angle emitting LED driven by built-in power and assembly metho...
- Patent number 9,752,764
- Issue date Sep 5, 2017
- NINGBO YAMAO LIGHTING ELECTRIC APPLIANCE COMPANY LTD.
- MaoJun Cao
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SECONDARY LIGHT DISTRIBUTION STRUCTURE OF DIRECTIONAL LIGHT SOURCE
- Publication number 20190316757
- Publication date Oct 17, 2019
- Ningbo Yamao Optoelectronics Co., Ltd.
- Hui CHEN
- F21 - LIGHTING
Information Patent Application
PRIMARY LIGHT DISTRIBUTION STRUCTURE OF DIRECTIONAL LIGHT SOURCE
- Publication number 20190316741
- Publication date Oct 17, 2019
- Ningbo Yamao Optoelectronics Co., Ltd.
- Hui CHEN
- F21 - LIGHTING
Information Patent Application
PARABOLIC LED LAMP
- Publication number 20180087744
- Publication date Mar 29, 2018
- Ningbo Yamao Optoelectronics Co., Ltd.
- Maojun CAO
- F21 - LIGHTING
Information Patent Application
WIDE-ANGLE EMITTING LED DRIVEN BY BUILT-IN POWER AND ASSEMBLY METHO...
- Publication number 20150354796
- Publication date Dec 10, 2015
- Ningbo Yamao Lighting Electric Appliance Company Ltd.
- MaoJun Cao
- F21 - LIGHTING