Chengdu Biostar Pharmaceuticals, Ltd.

Calculating rank

USPTO Granted Patents = 3

EPO Patents = 3

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Li Tang (3 out of 22 patents)

Rongguo Qiu (3 out of 5 patents)

Rixiang Kong (1 out of 1 patent)

4. Cheng Zhang (1 patent)

5. Chuan Zhang (0 patent)

6. Jing Xu (1 patent)

7. Chuan Zhang (0 patent)

3 patents: Sort by Forward Citations

1. 12617781 - Utidelone semi-hydrated single crystal and preparation method therefor and use thereof (2026-05-05),

2. 12448608 - Recombinant bacteria for producing de-epoxidized epothilone B and use thereof (2025-10-21),

3. 10980782 - De-epoxidized epothilone derivative preparation, preparation of same and use thereof in the treatment of tumor (2021-04-20),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#57 in Chengdu

#8,379 in China

Chengdu, China

Chengdu Biostar Pharmaceuticals, Ltd.

Forward Citations = 0

2 inventors:

Li Tang (3 out of 22 patents)

Rongguo Qiu (3 out of 5 patents)

Rixiang Kong (1 out of 1 patent)

4. Cheng Zhang (1 patent)

5. Chuan Zhang (0 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chengdu Biostar Pharmaceuticals, Ltd.. Retrieved from https://idiyas.com/company/chengdu-biostar-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]

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]