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Seattle, WA, United States of America

Washington Research Foundation

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USPTO Granted Patents = 101

% Expired Patents = 5.0

CIPO Patents = 1

Forward Citations = 2,849

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99 inventors (with patents filed for the assignee):

David R Eyre (45 out of 45 patents)

Buddy D Ratner (4 out of 30 patents)

Fred E Silverstein (4 out of 53 patents)

4. Ronald A Hitzeman (4 out of 13 patents)

5. Benjamin D Hall (4 out of 7 patents)

6. Gustav Ammerer (4 out of 7 patents)

7. Allan Sachs Hoffman (4 out of 48 patents)

8. Adam P Bruckner (3 out of 8 patents)

9. Richard M Laine (3 out of 46 patents)

10. Martin A Cheever (3 out of 27 patents)

11. Cho-chou Kuo (3 out of 10 patents)

12. Minako Yoshioka Lee (3 out of 3 patents)

13. Mary Ann Eklof Weis (3 out of 3 patents)

14. Roy W Martin (3 out of 34 patents)

15. Savio L Woo (3 out of 11 patents)

Core Competencies:

Bone Grafts

Synthetic Peptides

Collagen Resorption

Immunoassays

Telopeptide

Cartilage Resorption

Biomarkers

In Vivo Detection

Medical Implantation

Antibody Fragments

Chlamydia Detection

Polypeptide Expression

101 patents: Sort by Forward Citations

1. 7353830 - TRAP-coated bone grafts and prostheses (2008-04-08),

2. 6916903 - Collagen type III synthetic peptides for collagen resorption assays (2005-07-12),

3. 6916604 - Uses of synthetic peptides corresponding to telopeptide sequences of cross-linked type I collagen metabolites (2005-07-12),

4. 6887659 - Urinary assay for measuring bone resorption (2005-05-03),

5. 6602980 - Collagen type III synthetic peptides for collagen resorption assays (2003-08-05),

6. 6566492 - Synthetic peptides of type II collagen for cartilage resorption assays (2003-05-20),

7. 6509450 - Immunoassay for quantification of C-terminal telopeptides of type I collagen in human serum (2003-01-21),

8. 6508838 - Compositions for medical implantation (2003-01-21),

9. 6348320 - Cartilage resorption assays measuring type II collagen fragments (2002-02-19),

10. 6255056 - Cartilage resorption assays (2001-07-03),

11. 6204367 - Elisa kit for quantification of C-terminal telopeptides of type I collagen in human serum (2001-03-20),

12. 6190412 - Trap-coated bone grafts and prostheses (2001-02-20),

13. 6153732 - Kit for detecting analyte indicative of type II collagen resorption in (2000-11-28),

14. 6143511 - Sandwich immunoassays for collagen type II degradation products (2000-11-07),

15. 6143027 - Polymeric intraocular lens material having improved surface properties (2000-11-07),

Company Overview

Washington Research Foundation, based in Seattle, WA, is dedicated to advancing scientific research and innovation in the field of collagen degradation. The foundation specializes in developing technologies related to bone grafts, synthetic peptides, and collagen resorption, contributing to significant advancements in medical diagnostics and therapeutics. Its research encompasses immunoassays, telopeptides, cartilage resorption, and biomarkers, facilitating in vivo detection methods that enhance understanding of various medical conditions and treatments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

101 Patents

#21 in Seattle, WA

#65 in Washington

#3,766 in US

#7,729 in the World

Seattle, WA, United States of America

Washington Research Foundation

Forward Citations = 2,849

99 inventors:

David R Eyre (45 out of 45 patents)

Buddy D Ratner (4 out of 30 patents)

Fred E Silverstein (4 out of 53 patents)

4. Ronald A Hitzeman (4 out of 13 patents)

5. Benjamin D Hall (4 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Washington Research Foundation. Retrieved from https://idiyas.com/company/washington-research-foundation

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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