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

John C. Silvia

IMImmunicon: 1 patents #4 of 7Top 60%
NANycomed Imaging As: 1 patents #112 of 206Top 55%
Warminster, PA: #84 of 248 inventorsTop 35%
Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,246,037 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5866099 Magnetic-polymer particles Charles S. Owen, Louis D'Angelo, Paul A. Liberti 1999-02-02
4795698 Magnetic-polymer particles Charles S. Owen, Louis D'Angelo, Paul A. Liberti 1989-01-03