Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
1 Patents
#1,317 in Beijing
#18,808 in China
China Road & Bridge Corporation
Forward Citations = 0
9 inventors:
China Road & Bridge Corporation
Forward Citations = 0
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9 inventors (with patents filed for the assignee):
Hong Liu (1 out of 50 patents)
Yanhua Wang (1 out of 17 patents)
Jianchu Zhang (1 out of 1 patent)
4. Zhihai Xiang (1 out of 2 patents)
5. Zhihuai Li (1 out of 1 patent)
6. Qiuhai Lu (1 out of 2 patents)
7. Yaoguo Sun (1 out of 1 patent)
8. Lianyou Li (1 out of 1 patent)
9. Zhaopu Shen (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: China Road & Bridge Corporation. Retrieved from https://idiyas.com/company/china-road-and-bridge
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]
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]