For the Inventor, By the Inventor

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San Diego, CA, United States of America

Cnpharm Co. Ltd.

USPTO Granted Patents = 10

% Expired Patents = 10.0

EPO Patents = 2

Trademarks = 6

Forward Citations = 9

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13 inventors (with patents filed for the assignee):

Youn Soo Sohn (6 out of 17 patents)

Yong Joo Jun (6 out of 9 patents)

Prakash Gouda Avaji (5 out of 5 patents)

4. Hojun Kim (2 out of 7 patents)

5. Ho-Jun Kim (1 out of 10 patents)

6. Ho Jun Kim (1 out of 70 patents)

7. Ki Yeok Kim (1 out of 2 patents)

8. Sung Mo Choi (1 out of 1 patent)

9. Ki-Yeok Kim (1 out of 1 patent)

10. Geun Woo Jin (1 out of 1 patent)

11. Geun-Woo Jin (1 out of 1 patent)

12. Kwang Sik Park (1 out of 1 patent)

13. Guen-Woo Jin (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 12419961 - Docetaxel-aconitic anhydride conjugate exhibiting anti-tumor activity without in vivo toxicity (2025-09-23),

2. 12409229 - Synthesizing drug-organic-acid-anhydride conjugates without using coupling reagent (2025-09-09),

3. 12297213 - Metal hydroxide complex comprising modified multilayer hydroxide structure comprising active ingredient and method of manufacturing same (2025-05-13),

4. 11969440 - Metal (hydr)oxide composite comprising poorly soluble drug, method for manufacturing same, and pharmaceutical composition comprising same (2024-04-30),

5. 11912829 - Cationic polyphosphazene compound, polyphosphazenes-drug conjugate compound and method for preparing same (2024-02-27),

6. 11180615 - Cationic polyphosphazene compound, polyphosphazenes-drug conjugate compound and method for preparing same (2021-11-23),

7. 10590243 - Cationic polyphosphazene compound, polyphosphazenes-drug conjugate compound and method for preparing same (2020-03-17),

8. 10584214 - Cationic polyphosphazene compound, polyphosphazenes-drug conjugate compound and method for preparing same (2020-03-10),

9. 10336867 - Cationic polyphosphazene compound, polyphosphazenes-drug conjugate compound and method for preparing same (2019-07-02),

10. 8344173 - Dendritic oligopeptide-grafteded cyclotriphosphazene, a process for the preparation thereof and a drug delivery system containing the same (2013-01-01),

Company Overview

Cnpharm Co. Ltd. is a biotechnology company based in San Diego, California, specializing in the development and manufacturing of innovative pharmaceutical products. The organization focuses on advanced drug delivery systems and therapeutic solutions aimed at improving patient outcomes. With a commitment to research and development, Cnpharm leverages cutting-edge technologies to address unmet medical needs, positioning itself as a key player in the biopharmaceutical landscape.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

10 Patents

#534 in San Diego, CA

#7,114 in California

#29,866 in US

#56,047 in the World

San Diego, CA, United States of America

Cnpharm Co. Ltd.

Forward Citations = 9

13 inventors:

Youn Soo Sohn (6 out of 17 patents)

Yong Joo Jun (6 out of 9 patents)

Prakash Gouda Avaji (5 out of 5 patents)

4. Hojun Kim (2 out of 7 patents)

5. Ho-Jun Kim (1 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Cnpharm Co. Ltd.. Retrieved from https://idiyas.com/company/cnpharm-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]

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