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Palo Alto, CA, United States of America

Collagen Corporation

USPTO Granted Patents = 95

CIPO Patents = 1

Trademarks = 1

Forward Citations = 14,224

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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),

Collagen Corporation is a leading provider of collagen-based solutions for medical and cosmetic applications. With over 20 years of experience in collagen research and development, we offer a range of high-quality products for wound healing, tissue engineering, and aesthetic medicine. Our innovative technologies and advanced manufacturing processes ensure the therapeutic efficacy and safety of our collagen products. Visit our website to learn more about our comprehensive portfolio and the transformative potential of collagen in healthcare and skincare.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

95 Patents

#26 in Palo Alto, CA

#913 in California

#3,934 in US

#8,088 in the World

Palo Alto, CA, United States of America

Collagen Corporation

Forward Citations = 14,224

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)

Please report any incorrect information to [email protected]

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