Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RC

Robert Cullen — 1 Patent

AMAmgen: 1 patents #1,873 of 2,867Top 70%
Glendora, CA: #197 of 353 inventorsTop 60%
California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert Cullen has been granted 1 US patent while listed as an inventor at Amgen. All of these patents were granted in 2002. Robert Cullen ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert Cullen in Glendora, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6395126 Method of micro-fabrication Richard J. Sweeney 2002-05-28