Zhishen LI

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Tangshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sidewall window structure module of train, and train
- Patent number 12,157,505
- Issue date Dec 3, 2024
- CRRC TANGSHAN CO., LTD.
- Jianqiang Du
- B61 - RAILWAYS
Information Patent Grant
Double-deck rail vehicle and vehicle body thereof
- Patent number 11,932,288
- Issue date Mar 19, 2024
- CRRC TANGSHAN CO., LTD.
- Zhishen Li
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
SIDEWALL WINDOW STRUCTURE MODULE OF TRAIN, AND TRAIN
- Publication number 20220111877
- Publication date Apr 14, 2022
- CRRC TANGSHAN CO., LTD.
- Jianqiang DU
- B61 - RAILWAYS
Information Patent Application
DOUBLE-DECK RAIL VEHICLE AND VEHICLE BODY THEREOF
- Publication number 20220111876
- Publication date Apr 14, 2022
- CRRC TANGSHAN CO., LTD.
- Zhishen LI
- B61 - RAILWAYS