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USPTO Data Jan 1 1976 - Nov 3 2026
1 Patents
#511 in Hangzhou
#18,890 in China
Hangzhou Longyu Biotechnology Co., Ltd
Forward Citations = 0
4 inventors:
Hangzhou Longyu Biotechnology Co., Ltd
Calculating rank
Forward Citations = 0
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4 inventors (with patents filed for the assignee):
Fengqin Feng (1 out of 2 patents)
Junhui Zhang (1 out of 5 patents)
Minjie Zhao (1 out of 2 patents)
4. Haiying Cai (1 out of 1 patent)
1 patent:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hangzhou Longyu Biotechnology Co., Ltd. Retrieved from https://idiyas.com/company/hangzhou-longyu-biotechnology
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]