Liang CAO

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
LED light source device
- Patent number 10,962,176
- Issue date Mar 30, 2021
- Opple Lighting Co., Ltd
- Chaobo Liu
- F21 - LIGHTING
Information Patent Grant
Lighting device
- Patent number 10,928,056
- Issue date Feb 23, 2021
- Opple Lighting Co., Ltd
- Kun Bai
- F21 - LIGHTING
Information Patent Grant
LED lighting device
- Patent number 10,487,989
- Issue date Nov 26, 2019
- Opple Lighting Co., Ltd
- Liang Cao
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
LIGHTING DEVICE
- Publication number 20190128512
- Publication date May 2, 2019
- OPPLE LIGHTING CO., LTD.
- Kun BAI
- F21 - LIGHTING
Information Patent Application
LED LIGHTING DEVICE
- Publication number 20180252369
- Publication date Sep 6, 2018
- OPPLE LIGHTING CO., LTD.
- Liang CAO
- F21 - LIGHTING
Information Patent Application
LED LIGHT SOURCE DEVICE
- Publication number 20180119891
- Publication date May 3, 2018
- OPPLE LIGHTING CO., LTD.
- Chaobo LIU
- F21 - LIGHTING