Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RB

Richard A. Berg — 54 Patents

CTCohesion Technologies: 14 patents #1 of 40Top 3%
COCollagen: 11 patents #10 of 84Top 15%
FZFziomed: 6 patents #3 of 11Top 30%
STStimlabs: 4 patents #3 of 4Top 75%
VEVerax: 3 patents #4 of 9Top 45%
PHPharming: 3 patents #1 of 13Top 8%
IPIncyte Pharmaceuticals: 2 patents #57 of 137Top 45%
APAngiotech Pharmaceuticals: 2 patents #11 of 39Top 30%
AGAngiodevice International Gmbh: 2 patents #8 of 12Top 70%
PBPharming Intellectual Property B.V.: 1 patents #7 of 25Top 30%
Arroyo Grande, CA: #5 of 174 inventorsTop 3%
California: #6,949 of 386,348 inventorsTop 2%
Overall (All Time): #47,323 of 4,157,543Top 2%
54 Patents All Time

Issued Patents All Time

Showing 51–54 of 54 patents

Patent #TitleCo-InventorsDate
4861714 Weighted collagen microsponge for immobilizing bioactive material Robert C. Dean, Jr., Frederick H. Silver, Philip G. Phillips, Peter W. Runstadler, Jr. 1989-08-29
4841962 Collagen matrix/polymer film composite dressing Frederick H. Silver, James M. Pachence, John D'Antonio 1989-06-27
4837285 Collagen matrix beads for soft tissue repair Frederick H. Silver, James M. Pachence 1989-06-06
4703108 Biodegradable matrix and methods for producing same Frederick A. Silver, David E. Birk, Kevin Weadock, Conrad Whyne 1987-10-27