Xufeng Lin (1 out of 7 patents)
Chaoyang Hong (1 out of 1 patent)
Chenglong Wu (1 out of 1 patent)
Company Badge
USPTO Data Jan 1 1976 - Oct 13 2026
1 Patents
#506 in Hangzhou
#18,742 in China
Hangzhou Liucha Pharmaceutical Ltd.
Forward Citations = 0
3 inventors:
Hangzhou Liucha Pharmaceutical Ltd.
% Expired Patents = 100.0
Forward Citations = 0
Loading Chart...
Loading Chart...
3 inventors (with patents filed for the assignee):
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hangzhou Liucha Pharmaceutical Ltd.. Retrieved from https://idiyas.com/company/hangzhou-liucha-pharmaceutical
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]