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For the Inventor, By the Inventor

Palo Alto, CA, United States of America

Collagen Corporation


USPTO Granted Patents = 95


Trademarks = 1

Forward Citations = 14,080

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87 inventors (with patents filed for the assignee):

goldMedal George H Chu (33 out of 43 patents)

silverMedal Woonza M Rhee (27 out of 54 patents)

bronzeMedal 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 45 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:
Collagen-Based Injectable Drug Delivery
Biocompatible Adhesive Compositions
Collagen-Synthetic Polymer Matrices
Affinity Bound Collagen Matrices
Injectable Biomaterials
Anti-Adhesion Films
Glycosaminoglycan-Synthetic Polymer Conjugates
Collagen Wound Healing Matrices
Calcium Phosphate Collagen Compositions
Collagen-Polymer Conjugates
Xenogeneic Collagen Preparations
Dental Implant Systems

95 patents:

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.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 23 2025

95 Patents

#29 in Palo Alto, CA

#905 in California

#3,808 in US

#7,880 in the World

...
Palo Alto, CA, United States of America

Collagen Corporation

Forward Citations = 14,080

87 inventors:

goldMedal George H Chu (33 out of 43 patents)

silverMedal Woonza M Rhee (27 out of 54 patents)

bronzeMedal 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)

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