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

Sumana Roy — 3 Patents

Basf Se: 3 patents #4,656 of 13,826Top 35%
Frankfurt, DE: #386 of 1,298 inventorsTop 30%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Sumana Roy has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 2020 and the most recent in August 2021. Sumana Roy ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Sumana Roy in Frankfurt, DE.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11091424 Preparation of acetate compounds via a ketene compound Volker Hickmann, Dominik Herbrecht, Michael Acker, Wolfgang Krause, Ralf Boehling +3 more 2021-08-17
10889547 Method for the purification of ethoxyquin Andreas Keller, Wolfgang Siegel, Michael Joedecke, Martin Haubner 2021-01-12
10737944 Tin-containing zeolitic material having a BEA framework structure Nicolas Vautravers, Joaquim Henrique Teles, Ralf Pelzer, Daniel Schneider, Florian Garlichs +3 more 2020-08-11