YUN FEI DUAN

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SHANGHAI, CN

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Patents Grantslast 30 patents

Information Patent Grant
Retrofit lamp and a lighting system using the same
- Patent number 10,986,713
- Issue date Apr 20, 2021
- SIGNIFY HOLDING B.V.
- Dmytro Viktorovych Malyna
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
RETROFIT LAMP AND A LIGHTING SYSTEM USING THE SAME
- Publication number 20200178371
- Publication date Jun 4, 2020
- SIGNIFY HOLDING B.V.
- DMYTRO VIKTOROVYCH MALYNA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR