Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#129 in Tianjin
#11,632 in China
China Railway Design Corporation
Forward Citations = 0
23 inventors:
China Railway Design Corporation
EPO Patents = 3
Forward Citations = 0
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23 inventors (with patents filed for the assignee):
Kai Wang (1 out of 25 patents)
Fei Wang (1 out of 8 patents)
Wenfeng Gao (1 out of 1 patent)
4. Jiwei Deng (1 out of 1 patent)
5. Guanjun Zhang (1 out of 1 patent)
6. Yingjie Zhang (1 out of 1 patent)
7. Hai Zhao (1 out of 1 patent)
8. Liang Yue (1 out of 1 patent)
9. Shuai Gao (1 out of 1 patent)
10. Huxiao Nie (1 out of 1 patent)
11. Luoming Zhao (1 out of 1 patent)
12. Yuhui Ge (1 out of 1 patent)
13. Guangshuai Wang (1 out of 1 patent)
14. Wenteng Zhang (1 out of 1 patent)
15. Chen Zhang (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: China Railway Design Corporation. Retrieved from https://idiyas.com/company/china-railway-design
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
3 patents (EPO):
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]