% Expired Patents = 33.3

Forward Citations = 0

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7 inventors (with patents filed for the assignee):

Yi Zhang (3 out of 9 patents)

Hongliang Sun (2 out of 2 patents)

Yuesheng Wang (2 out of 2 patents)

4. Hai Chen (1 out of 2 patents)

5. Wenchao Liu (1 out of 1 patent)

6. Mingqing Tong (1 out of 1 patent)

7. Dong Jin (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 11299548 - Gene combination capable of high-efficiency expression of recombinant human nerve growth factor (2022-04-12),

2. 11220525 - Method for dynamically removing recombinant human nerve growth factor precursor by hydrophobic interaction chromatography (2022-01-11),

3. 10443082 - Concentration gradient test reagent kit and testing method for use in bacterial/fungal drug susceptibility testing (2019-10-15),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#134 in Nanjing

#8,337 in China

Nanjing, China

Xintrum Pharmaceuticals, Ltd.

Forward Citations = 0

7 inventors:

Yi Zhang (3 out of 9 patents)

Hongliang Sun (2 out of 2 patents)

Yuesheng Wang (2 out of 2 patents)

4. Hai Chen (1 out of 2 patents)

5. Wenchao Liu (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Xintrum Pharmaceuticals, Ltd.. Retrieved from https://idiyas.com/company/xintrum-pharmaceuticals

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]