Forward Citations = 0

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6 inventors (with patents filed for the assignee):

Pengfei Zhang (2 out of 14 patents)

Weiming Xu (2 out of 10 patents)

Lianzhi Tao (2 out of 3 patents)

4. Dongxiang Feng (2 out of 3 patents)

5. Wanmei Li (1 out of 5 patents)

6. Hongyun Shen (1 out of 2 patents)

2 patents: Sort by Forward Citations

1. 11161809 - Processes for preparing 5-fluoro-2-methyl-1-(4-methylthiobenzylidene)-3-indanacetonitrile and for preparing sulindac (2021-11-02),

2. 10611721 - Method for preparing levobunolol hydrochloride (2020-04-07),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

2 Patents

#300 in Zhejiang

#11,632 in China

Zhejiang, China

Hangzhou Loop Biotech Co., Ltd

Forward Citations = 0

6 inventors:

Pengfei Zhang (2 out of 14 patents)

Weiming Xu (2 out of 10 patents)

Lianzhi Tao (2 out of 3 patents)

4. Dongxiang Feng (2 out of 3 patents)

5. Wanmei Li (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hangzhou Loop Biotech Co., Ltd. Retrieved from https://idiyas.com/company/hangzhou-loop-biotech-company

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]