% Expired Patents = 60.0

Forward Citations = 310

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13 inventors (with patents filed for the assignee):

Zhi Hong (4 out of 39 patents)

Johnson Lau (2 out of 11 patents)

Guangyi Wang (2 out of 55 patents)

4. Haoyun An (2 out of 22 patents)

5. Robert C Tam (2 out of 21 patents)

6. Jean-Luc Girardet (1 out of 35 patents)

7. Devron R Averett (1 out of 24 patents)

8. Kanda Ramasamy (1 out of 6 patents)

9. Yili Ding (1 out of 2 patents)

10. Todd Appleby (1 out of 1 patent)

11. Shahul Nilar (1 out of 1 patent)

12. Nanhua Hugh Yao (1 out of 7 patents)

13. Kandasamy Ramasamy (1 out of 11 patents)

5 patents: Sort by Forward Citations

1. 6906190 - Inhibitors for de novo-RNA polymerases and methods of identifying targets for same (2005-06-14),

2. 6833361 - Nucleosides having bicyclic sugar moiety (2004-12-21),

3. 6831069 - Pyrrolo[2,3-d]pyrimidine nucleoside analogs (2004-12-14),

4. 6815542 - Nucleoside compounds and uses thereof (2004-11-09),

5. 6423695 - Cytokine related treatments of disease (2002-07-23),

Company Overview

Ribapharm Inc. is a pharmaceutical company specializing in the development and commercialization of antiviral drugs. With a focus on hepatitis C and other infectious diseases, Ribapharm Inc. is dedicated to improving patient outcomes through innovative therapies. The company's research and development efforts have resulted in novel treatment options that have shown promising results in clinical trials.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#68 in Costa Mesa, CA

#12,073 in California

#51,644 in US

Costa Mesa, CA, United States of America

Ribapharm Inc.

Forward Citations = 310

13 inventors:

Zhi Hong (4 out of 39 patents)

Johnson Lau (2 out of 11 patents)

Guangyi Wang (2 out of 55 patents)

4. Haoyun An (2 out of 22 patents)

5. Robert C Tam (2 out of 21 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ribapharm Inc.. Retrieved from https://idiyas.com/company/ribapharm

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]