Keshu ZHANG

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Seat mounting structure and train having same
- Patent number 12,145,635
- Issue date Nov 19, 2024
- CRRC Qingdao Sifang Co., Ltd.
- Xingji Wang
- B61 - RAILWAYS
Information Patent Grant
Rail vehicle lighting device
- Patent number 10,822,001
- Issue date Nov 3, 2020
- CRRC Qingdao Sifang Co., Ltd.
- Haiyan Zhang
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Seat Mounting Structure and Train Having Same
- Publication number 20220097737
- Publication date Mar 31, 2022
- CRRC QINGDAO SIFANG CO., LTD.
- Xingji WANG
- B61 - RAILWAYS
Information Patent Application
RAIL VEHICLE LIGHTING DEVICE
- Publication number 20190126818
- Publication date May 2, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Haiyan ZHANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
Sunshade Device and Railway Vehicle with Sunshade Device
- Publication number 20190077422
- Publication date Mar 14, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Hongyong CAO
- B61 - RAILWAYS