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

Robert Parry Williams — 5 Patents

SCSchering: 3 patents #883 of 2,442Top 40%
BSBiovail Laboratories International S.R.L.: 1 patents #7 of 16Top 45%
VBValeant International Bermuda: 1 patents #3 of 15Top 20%
Enniskerry, IE: #1 of 5 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert Parry Williams has been granted 5 US patents while listed as an inventor at Schering. The first was granted in 2002 and the most recent in January 2013. Robert Parry Williams ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert Parry Williams in Enniskerry, IE.

Patents per Year

Patents granted per year, 2002 to 2013Bar chart with a peak of 2 patents in 2002.peak 22002: 2 patents20022003: 1 patents20032010: 1 patents20102013: 1 patents2013

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8354453 Bupropion hydrobromide and therapeutic applications Peter Silverstone 2013-01-15
7671094 Bupropion hydrobromide and therapeutic applications Peter Silverstone 2010-03-02
6608202 Process of synthesis of a tricyclic ketone intermediate Henry J. Doran, Pat M. O'Neill 2003-08-19 $198,088,000
6495689 Synthesis of intermediates useful in preparing tricyclic compounds Charles Bernard, Michael Casey, Frank Xing Chen, Denise C. Grogan, Marc Poirier +2 more 2002-12-17 $78,430,000
6372909 Synthesis of intermediates useful in preparing tricyclic compounds Charles Bernard, Michael Casey, Frank Xing Chen, Denise C. Grogan, Marc Poirier +2 more 2002-04-16 $81,480,000