Liqin Li

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Foshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lamp
- Patent number 12,152,753
- Issue date Nov 26, 2024
- Osram GmbH
- Guofeng Chen
- F21 - LIGHTING
Information Patent Grant
LED filament light source and lamp
- Patent number 10,473,272
- Issue date Nov 12, 2019
- LEDVANCE GmbH
- Lene Haberkorn
- F21 - LIGHTING
Information Patent Grant
LED lighting device having an improved LED holder
- Patent number 10,215,343
- Issue date Feb 26, 2019
- LEDVANCE GmbH
- Lene Haberkorn
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LAMP
- Publication number 20240151384
- Publication date May 9, 2024
- Osram GmbH
- Guofeng Chen
- F21 - LIGHTING
Information Patent Application
LED FILAMENT LIGHT SOURCE AND LAMP
- Publication number 20190186698
- Publication date Jun 20, 2019
- LEDVANCE GmbH
- Lene Haberkorn
- F21 - LIGHTING
Information Patent Application
LED LIGHTING DEVICE HAVING AN IMPROVED LED HOLDER
- Publication number 20180080612
- Publication date Mar 22, 2018
- LEDVANCE GmbH
- Lene Haberkorn
- F21 - LIGHTING