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For the Inventor, By the Inventor

Columbus, OH, United States of America

Progenitor, Inc.


USPTO Granted Patents = 10


Trademarks = 1

Forward Citations = 62

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14 inventors (with patents filed for the assignee):

goldMedal Thomas Joel Zupancic (10 out of 17 patents)

silverMedal H Ralph Snodgrass (10 out of 22 patents)

bronzeMedal Joseph Cioffi (8 out of 12 patents)

4.  Alan Wayne Shafer (8 out of 12 patents)

5.  Thomas Quertermous (2 out of 6 patents)

6.  Brigid L Hogan (1 out of 8 patents)

7.  Bridgid Hogan (1 out of 1 patent)

8.  John N Feder (67 patents)

9.  Winston J Thomas (12 patents)

10.  Dennis T Drayna (0 patent)

11.  Zenta Tsuchihashi (0 patent)

12.  Andreas Gnirke (0 patent)

13.  David Ruddy (0 patent)

14.  Roger K Wolff (0 patent)


10 patents:

1. 6355237 - Methods for using the obese gene and its gene product to stimulate hematopoietic development (2002-03-12),
2. 6005080 - Antibodies specific for Hu-B1.219, a novel hematopoietin receptor (1999-12-21),
3. 5912123 - Detection of the leptin receptor in reproductive organs and methods for (1999-06-15),
4. 5882860 - Detection of a leptin receptor variant and methods for regulating obesity (1999-03-16),
5. 5877281 - Developmentally-regulated endothelial cell locus-1 (1999-03-02),
6. 5874562 - Nucleic acid encoding developmentally-regulated endothelial cell locus-1 (1999-02-23),
7. 5869610 - Hu-B1.219, a novel human hematopoietin receptor (1999-02-09),
8. 5856098 - Detection of a leptin receptor variant (1999-01-05),
9. 5763211 - Isolated nucleic acid encoding Hu-B1.219, a novel human hematopoietin (1998-06-09),
10. 5643748 - HU-B1.219, a novel human hematopoietin receptor (1997-07-01),
Company Overview
Progenitor, Inc. is a biotechnology company based in Columbus, Ohio, specializing in the development of innovative solutions for regenerative medicine. The organization focuses on harnessing cellular therapies and advanced biomaterials to address various medical challenges, including tissue repair and disease treatment. With a commitment to research and development, Progenitor aims to advance the field of regenerative medicine through cutting-edge technologies and collaborative partnerships, contributing to improved patient outcomes.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

10 Patents

#76 in Columbus, OH

#1,231 in Ohio

#29,839 in US

#55,986 in the World

Columbus, OH (US)
Columbus, OH, United States of America

Progenitor, Inc.

Forward Citations = 62

14 inventors:

goldMedal Thomas Joel Zupancic (10 out of 17 patents)

silverMedal H Ralph Snodgrass (10 out of 22 patents)

bronzeMedal Joseph Cioffi (8 out of 12 patents)

4.  Alan Wayne Shafer (8 out of 12 patents)

5.  Thomas Quertermous (2 out of 6 patents)

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

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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