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Palo Alto, CA, United States of America

Collagen Corporation

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USPTO Granted Patents = 95

CIPO Patents = 1

Trademarks = 1

Forward Citations = 14,256

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87 inventors (with patents filed for the assignee):

George H Chu (33 out of 43 patents)

Woonza M Rhee (27 out of 54 patents)

Hanne Bentz (22 out of 24 patents)

4. Frank A DeLustro (20 out of 43 patents)

5. Donald G Wallace (18 out of 40 patents)

6. Thomas L Smestad (15 out of 15 patents)

7. Louis Fries (15 out of 18 patents)

8. Alan S Michaels (12 out of 12 patents)

9. Ramon A Burns, Jr (12 out of 12 patents)

10. Richard A Berg (11 out of 56 patents)

11. Rosa Armstrong (11 out of 15 patents)

12. Saeid Seyedin (10 out of 10 patents)

13. Diana M Hendricks (9 out of 9 patents)

14. Karl A Piez (9 out of 9 patents)

15. John M McPherson (7 out of 11 patents)

Core Competencies:

Drug Delivery Systems

Biomaterials

Tissue Repair

Collagen-Polymer Conjugates

Injectable Biomaterials

Wound Healing

Bone Repair

Biocompatible Adhesives

Synthetic Polymer Matrices

Collagen Membranes

Implants

Scarless Regeneration

95 patents: Sort by Forward Citations

1. 5823671 - Apparatus and method of mixing materials in a sterile environment (1998-10-20),

2. 5807581 - Collagen-based injectable drug delivery system and its use (1998-09-15),

3. 5800541 - Collagen-synthetic polymer matrices prepared using a multiple step (1998-09-01),

4. 5798334 - Pharmaceutical compositions for scarless tissue repair and regeneration (1998-08-25),

5. 5752974 - Injectable or implantable biomaterials for filling or blocking lumens (1998-05-19),

6. 5744545 - Biocompatible adhesive compositions (1998-04-28),

7. 5693341 - Affinity bound collagen matrices for the delivery of biologically active (1997-12-02),

8. 5667839 - Human recombinant collagen in the milk of transgenic animals (1997-09-16),

9. 5643464 - Process for preparing a sterile, dry crosslinking agent (1997-07-01),

10. 5616689 - Method of controlling structure stability of collagen fibers produced (1997-04-01),

11. 5614587 - Collagen-based bioadhesive compositions (1997-03-25),

12. 5580923 - Anti-adhesion films and compositions for medical use (1996-12-03),

13. 5565519 - Clear, chemically modified collagen-synthetic polymer conjugates for (1996-10-15),

14. 5550188 - Polymer conjugates ophthalmic devices comprising collagen-polymer (1996-08-27),

15. 5550187 - Method of preparing crosslinked biomaterial compositions for use in (1996-08-27),

Company Overview

Collagen Corporation, based in Palo Alto, CA, specializes in the development and application of collagen-based technologies. The company focuses on innovative solutions in drug delivery systems, biomaterials, and tissue repair, leveraging the unique properties of collagen to enhance healing processes. Their expertise extends to injectable biomaterials, biocompatible adhesives, and applications in wound and bone repair, positioning them as a leader in the field of regenerative medicine and advanced therapeutic solutions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

95 Patents

#26 in Palo Alto, CA

#916 in California

#3,950 in US

#8,122 in the World

Palo Alto, CA, United States of America

Collagen Corporation

Forward Citations = 14,256

87 inventors:

George H Chu (33 out of 43 patents)

Woonza M Rhee (27 out of 54 patents)

Hanne Bentz (22 out of 24 patents)

4. Frank A DeLustro (20 out of 43 patents)

5. Donald G Wallace (18 out of 40 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Collagen Corporation. Retrieved from https://idiyas.com/company/collagen

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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