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USPTO Data Jan 1 1976 - Oct 20 2026
4 Patents
#559 in Beijing
#6,438 in China
Hong Guan Ltd.
Forward Citations = 2
18 inventors:
Hong Guan Ltd.
CIPO Patents = 1
EPO Patents = 3
Forward Citations = 2
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18 inventors (with patents filed for the assignee):
Hongkui Deng (4 out of 10 patents)
Xu Zhang (2 out of 176 patents)
Jingyang Guan (2 out of 2 patents)
4. Yang Zhao (2 out of 44 patents)
5. Jun Xu (1 out of 79 patents)
6. Yang Yang (1 out of 106 patents)
7. Honggang Li (1 out of 45 patents)
8. Bei Liu (1 out of 7 patents)
9. Pingping Hou (1 out of 1 patent)
10. Yanqin Li (1 out of 1 patent)
11. Chun Yen Liu (1 out of 37 patents)
12. Jing Li (1 out of 143 patents)
13. Yao Fu (1 out of 3 patents)
14. Defang Liu (1 out of 2 patents)
15. Ting Zhao (1 out of 2 patents)
4 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hong Guan Ltd.. Retrieved from https://idiyas.com/company/hong-guan
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]
1 patent (CIPO):
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]