Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Ivan Viktorovich Efremov — 4 Patents in 2021

Pfizer: 3 patents #17 of 325Top 6%
FTFulcrum Therapeutics: 1 patents #1 of 8Top 15%
Sharon, MA: #5 of 124 inventorsTop 5%
Massachusetts: #867 of 14,123 inventorsTop 7%
Overall (2021): #48,596 of 548,734Top 9%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11197867 Aminopyrimidinyl compounds Andrew Fensome, Ariamala Gopalsamy, Brian Stephen Gerstenberger, Zhao-Kui Wan, Betsy Susan Pierce +5 more 2021-12-14
11014909 Heteroaromatic compounds and their use as dopamine D1 ligands Michael Aaron Brodney, Jennifer Elizabeth Davoren, Amy Beth Dounay, David Lawrence Firman Gray, Michael Eric Green +6 more 2021-05-25
10980815 Aminopyrimidinyl compounds Andrew Fensome, Ariamala Gopalsamy, Brian Stephen Gerstenberger, Zhao-Kui Wan, Betsy Susan Pierce +5 more 2021-04-20
10973805 Macrocyclic azolopyridine derivatives as EED and PRC2 modulators Steven Kazmirski, Qingyi Li, Lorin A. Thompson, III, Owen Brendan Wallace, Shawn Johnstone +2 more 2021-04-13