For the Inventor, By the Inventor

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Chengdu Biostar Pharmaceuticals, Ltd.

USPTO Granted Patents = 2

EPO Patents = 3

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Li Tang (2 out of 16 patents)

Rongguo Qiu (2 out of 4 patents)

Cheng Zhang (1 patent)

4. Rixiang Kong (0 patent)

5. Chuan Zhang (0 patent)

6. Jing Xu (0 patent)

7. Chuan Zhang (0 patent)

2 patents: Sort by Forward Citations

1. 12448608 - Recombinant bacteria for producing de-epoxidized epothilone B and use thereof (2025-10-21),

2. 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 - Dec 23 2025

2 Patents

#97 in Chengdu

#9,995 in China

Chengdu Biostar Pharmaceuticals, Ltd.

Forward Citations = 0

2 inventors:

Li Tang (2 out of 16 patents)

Rongguo Qiu (2 out of 4 patents)

Cheng Zhang (1 patent)

4. Rixiang Kong (0 patent)

5. Chuan Zhang (0 patent)

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