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

James Epstein — 1 Patent in 2020

FSFastcap Systems: 1 patents #9 of 14Top 65%
Sharon, MA: #41 of 132 inventorsTop 35%
Massachusetts: #5,137 of 14,474 inventorsTop 40%
Overall (2020): #435,688 of 565,922Top 80%
1 Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10714271 High temperature energy storage device Riccardo Signorelli, John J. Cooley, Christopher John Sibbald Deane, Padmanaban Sasthan Kuttipillai, Fabrizio Martini +1 more 2020-07-14