Yanhua CHEN

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Patents Grantslast 30 patents

Information Patent Grant
Folding canopy main body, folding canopy assembly and train ihrough...
- Patent number 11,370,464
- Issue date Jun 28, 2022
- BYD Company Limited
- Weiwei Li
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
EXTERNALLY-MOUNTED AND DETACHABLE AIR PURIFICATION LAMP FITTING
- Publication number 20240091790
- Publication date Mar 21, 2024
- Yanhua CHEN
- F21 - LIGHTING
Information Patent Application
FOLDING CANOPY MAIN BODY, FOLDING CANOPY ASSEMBLY AND TRAIN THROUGH...
- Publication number 20190308644
- Publication date Oct 10, 2019
- BYD COMPANY LIMITED
- Weiwei LI
- B61 - RAILWAYS