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For the Inventor, By the Inventor

The Woodlands, TX, United States of America

Zonagen, Inc.


USPTO Granted Patents = 22

Trademarks = 1

Forward Citations = 243

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10 inventors (with patents filed for the assignee):

goldMedal Joseph S Podolski (10 out of 36 patents)

silverMedal Fred Lowrey (6 out of 6 patents)

bronzeMedal Kuang T Hsu (6 out of 12 patents)

4.  Jeffrey D Harris (6 out of 6 patents)

5.  Bonita Sue Dunbar (3 out of 6 patents)

6.  Gurpreet Singh (2 out of 4 patents)

7.  Mitzi L Martinez (2 out of 2 patents)

8.  Christopher Allen Seid (1 out of 1 patent)

9.  Adrian Zorgniotti, Deceased (1 out of 1 patent)

10.  Diane-Marie Gioco (1 out of 1 patent)


22 patents:

1. 6696072 - Methods for treatment of male erectile dysfunction (2004-02-24),
2. 6482426 - Compositions for the treatment of male erectile dysfunction (2002-11-19),
3. 6280742 - Methods and materials for the treatment of prostatic carcinoma (2001-08-28),
4. 6264953 - Method of preparation and use for zona pellucida antigens and antibodies for sterilization and contraception (2001-07-24),
5. 6166061 - Methods and formulations for modulating the human sexual response (2000-12-26),
6. 6124337 - Methods and formulations for modulating the human sexual response (2000-09-26),
7. 6100286 - Methods and formulations for modulating the human sexual response (2000-08-08),
8. 6051594 - Methods and formulations for modulating the human sexual response (2000-04-18),
9. 6027727 - Materials and methods for immunocontraception (2000-02-22),
10. 6001599 - DNAs encoding mammalian ZPBs (1999-12-14),
11. 5989550 - Materials and methods for immunocontraception (1999-11-23),
12. 5981563 - Methods and formulations for modulating the human sexual response (1999-11-09),
13. 5981228 - Mammalian ZPAs (1999-11-09),
14. 5980912 - Chitosan induced immunopotentiation (1999-11-09),
15. 5976545 - ZPC polypeptides (1999-11-02),
Company Overview
Zonagen, Inc. is a biopharmaceutical company based in The Woodlands, Texas, focused on the development of innovative therapies for various medical conditions. The organization specializes in research related to reproductive health and hormone-related disorders, leveraging advanced scientific methodologies to create effective treatments. Zonagen's commitment to improving patient outcomes drives its research initiatives, aiming to address unmet medical needs through cutting-edge technology and drug development.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

22 Patents

#21 in The Woodlands, TX

#890 in Texas

#15,037 in US

#28,782 in the World

The Woodlands, TX (US)
The Woodlands, TX, United States of America

Zonagen, Inc.

Forward Citations = 243

10 inventors:

goldMedal Joseph S Podolski (10 out of 36 patents)

silverMedal Fred Lowrey (6 out of 6 patents)

bronzeMedal Kuang T Hsu (6 out of 12 patents)

4.  Jeffrey D Harris (6 out of 6 patents)

5.  Bonita Sue Dunbar (3 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Zonagen, Inc.. Retrieved from https://idiyas.com/company/zonagen

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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