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For the Inventor, By the Inventor

Nassau, Bahamas

Hutchison Medipharma Enterprises Limited


USPTO Granted Patents = 15

% Expired Patents = 53.3



Forward Citations = 26

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19 inventors (with patents filed for the assignee):

goldMedal Weihan Zhang (13 out of 25 patents)

silverMedal Xiaoqiang Yan (13 out of 29 patents)

bronzeMedal Jifeng Duan (11 out of 13 patents)

4.  Wei-Guo Su (9 out of 36 patents)

5.  Yu Cai (8 out of 100 patents)

6.  Yumin Cui (6 out of 12 patents)

7.  Yongxin Ren (6 out of 10 patents)

8.  Tao Wang (6 out of 118 patents)

9.  Hong Jia (5 out of 13 patents)

10.  Zhiming Ma (4 out of 6 patents)

11.  Yang Sai (3 out of 5 patents)

12.  Jeff Duan (2 out of 3 patents)

13.  Weiguo Su (2 out of 3 patents)

14.  Wei Deng (1 out of 24 patents)

15.  Haibin Yang (1 out of 6 patents)


15 patents:

1. 8901143 - Pyrimidine derivatives (2014-12-02),
2. 8497372 - Use of substituted quinazoline compounds in treating age-related macular degeneration (2013-07-30),
3. 8426430 - Quinazoline derivatives (2013-04-23),
4. 8349859 - Pyrimidine derivatives (2013-01-08),
5. 8212033 - Use of substituted quinazoline compounds in treating angiogenesis-related diseases (2012-07-03),
6. RE43423 - Crude extracts from (2012-05-28),
7. RE42718 - Crude extracts from andrographis paniculata (2011-09-19),
8. 7902359 - Decahydronaphthalene compounds (2011-03-08),
9. 7868001 - Cytokine inhibitors (2011-01-11),
10. 7829574 - Substituted quinazoline compounds and their use in treating angiogenesis-related diseases (2010-11-09),
11. 7737157 - Pyrimidine compounds (2010-06-15),
12. 7625945 - Andrographolide and analogues as inhibitors of TNFα and IL-1β expression (2009-12-01),
13. 7622465 - Costunolide derivatives (2009-11-24),
14. 7488836 - Costunolide derivatives (2009-02-10),
15. 7341748 - [object Object] (2008-03-11),
Company Overview
Hutchison Medipharma Enterprises Limited is a biopharmaceutical company based in Nassau, Bahamas, specializing in the development of innovative therapies for cancer and other serious diseases. The organization focuses on research and development in the fields of oncology and immunotherapy, aiming to address unmet medical needs through advanced drug discovery and clinical development. With a commitment to improving patient outcomes, Hutchison Medipharma leverages cutting-edge technology and scientific expertise to bring new treatments to market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

15 Patents

#7 in Nassau

#6 in Bahamas

#39,959 in the World

Nassau, BS
Nassau, Bahamas

Hutchison Medipharma Enterprises Limited

Forward Citations = 26

19 inventors:

goldMedal Weihan Zhang (13 out of 25 patents)

silverMedal Xiaoqiang Yan (13 out of 29 patents)

bronzeMedal Jifeng Duan (11 out of 13 patents)

4.  Wei-Guo Su (9 out of 36 patents)

5.  Yu Cai (8 out of 100 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hutchison Medipharma Enterprises Limited. Retrieved from https://idiyas.com/company/hutchison-medipharma-enterprises

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]
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