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

Fei Ding — 4 Patents

SPSalix Pharmaceuticals: 4 patents #17 of 49Top 35%
Overland Park, KS: #436 of 1,753 inventorsTop 25%
Kansas: #2,511 of 12,005 inventorsTop 25%
Overall (All Time): #1,214,272 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9133217 Forms of rifaximin and uses thereof Stephan D. Parent, Lisa Lynn McQueen, Patricia Andres, Paul Schields, Yiduo Wu +1 more 2015-09-15
8735419 Forms of rifaximin and uses thereof Stephan D. Parent, Lisa Lynn McQueen, Patricia Andres, Paul Schields, Yiduo Wu +1 more 2014-05-27
8507517 Forms of rifaximin and uses thereof Stephan D. Parent, Lisa Lynn McQueen, Patricia Andres, Paul Schields, Yiduo Wu +1 more 2013-08-13
8227482 Forms of rifaximin and uses thereof Stephan D. Parent, Lisa Lynn McQueen, Patricia Andres, Paul Schields, Yiduo Wu +1 more 2012-07-24