Jeffrey Allen Pfefferkorn

This inventor holds 19 USPTO granted patents and 7 published patent applications, plus 5 CIPO patents and 3 EPO patents, primarily in Glucagon Receptor Modulators. Top assignees: Pfizer Corporation, Pharmacia & Upjohn Company, Other. Active years: 2006-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jeffrey Allen Pfefferkorn. Retrieved from https://idiyas.com/inventor/jeffrey-allen-pfefferkorn

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 19 (Patent Applications = 7)

% Patents Active = 26.3

CIPO Patents = 5 (Patent Applications = 6)

EPO Patents = 3 (Patent Applications = 13)

Average Co-Inventor Count = 3.7

ph-index = 3

Forward Citations = 19(Granted Patents)

Location History:

Ann Arbor, MI (US) (2006)
Dexter, MI (US) (2006 - 2008)
Mystic, CT (US) (2011 - 2014)
Acton, MA (US) (2014 - 2016)

Company Filing History:

Pharmacia & Upjohn Company

patents

1 out of 834,513

Other

patents

Years Active: 2006-2025

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Areas of Expertise:

Glucagon Receptor Modulators

NAFLD

NASH

HCV Inhibitors

Quinolinyl Derivatives

Benzofuranyl Derivatives

Glucokinase Activators

Type II Diabetes

Pyrazole-based Inhibitors

Substituted Imidazoles

Substituted Pyrazinones

HMG CoA Reductase Inhibitors

19 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12472180 - Combinations for treatment of NAFLD/NASH and related diseases (2025-11-18),

2. 9452999 - Glucagon receptor modulators (2016-09-27),

3. 9139538 - Quinolinyl glucagon receptor modulators (2015-09-22),

4. 9073871 - Glucagon receptor modulators (2015-07-07),

5. 9056834 - Glucagon receptor modulators (2015-06-16),

6. 8933104 - Glucagon receptor modulators (2015-01-13),

7. 8927577 - Quinolinyl glucagon receptor modulators (2015-01-06),

8. 8859591 - Glucagon receptor modulators (2014-10-14),

9. 8809342 - Glucagon receptor modulators (2014-08-19),

10. 8735396 - Benzofuranyl derivatives (2014-05-27),

11. 8507533 - Glucagon receptor modulators (2013-08-13),

12. 8455496 - Benzofuranyl derivatives (2013-06-04),

13. 8389552 - (S)-6-(2-(4-(cyclobutylsulfonyl)-1H-imidazol-1-yl)-3-cyclopentylpropanamido)nicotinic acid useful as a glucokinase activator (2013-03-05),

14. 8329920 - Substituted imidazoles useful for treating type II diabetes (2012-12-11),

15. 8071606 - Substituted pyrazinone amides useful for activation of glucokinase (2011-12-06),

Title: Innovations of Jeffrey Allen Pfefferkorn: A Look into His Patents and Career

Introduction

Jeffrey Allen Pfefferkorn is an accomplished inventor based in Acton, MA, with an impressive portfolio of 18 patents. His innovative work primarily focuses on compounds that interact with glucagon receptors, contributing significantly to pharmaceutical advancements.

Latest Patents

Among his latest patents are noteworthy inventions centered around glucagon receptor modulators. One invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof, with specific configurations of R and A groups. These compounds have been identified as glucagon antagonists or inverse agonists, making them valuable for treating diseases, disorders, or conditions mediated by glucagon. Another patent also addresses quinolinyl glucagon receptor modulators, reinforcing his dedication to developing therapeutic solutions through innovative chemical compounds.

Career Highlights

Jeffrey has worked with prominent companies such as Pfizer Corporation and Pharmacia & Upjohn Company, where he contributed his expertise in the field of pharmacology and drug development. His work has not only advanced pharmaceutical science but has also paved the way for future research in glucagon-related diseases.

Collaborations

Throughout his career, Jeffrey has collaborated with talented individuals, including Meihua Mike Tu and Mary Theresa Didiuk. These professional relationships have fostered an environment of creativity and innovation, leading to significant contributions in therapeutic development.

Conclusion

Jeffrey Allen Pfefferkorn stands out as a notable inventor in the realm of pharmaceutical innovations. With 18 patents to his name and a focus on glucagon receptor modulators, his work continues to influence the treatment of various medical conditions. His collaborations and career trajectory highlight the importance of teamwork in achieving groundbreaking advancements in science.

Profile summary based on public USPTO records.