Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Dhanapalan Nagarathnam — 62 Patents

SPSynaptic Pharmaceutical: 20 patents #6 of 69Top 9%
RARhizen Pharmaceuticals Ag: 14 patents #6 of 17Top 40%
GPGilead Pharmasset: 14 patents #10 of 117Top 9%
BPBayer Pharmaceuticals: 5 patents #31 of 188Top 20%
BHBayer Healthcare: 4 patents #2,099 of 8,007Top 30%
GSGilead Sciences: 2 patents #483 of 952Top 55%
SLSmithkline Beecham Limited: 1 patents #893 of 1,624Top 55%
Merck: 1 patents #5,419 of 9,382Top 60%
Marblehead, MA: #3 of 401 inventorsTop 1%
Massachusetts: #749 of 88,656 inventorsTop 1%
Overall (All Time): #36,437 of 4,157,543Top 1%
62 Patents All Time

Issued Patents All Time

Showing 51–62 of 62 patents

Patent #TitleCo-InventorsDate
6274585 Dihydropyrimidines and uses thereof Donghui Cui, Margaret R. Davis, Michael Dunn, Ben E. Evans, Hanumath P. Kari +3 more 2001-08-14
6268369 5-(heterocyclic alkyl)-6-aryl-dihydropyrimidines George Chiu, T. G. Murali Dhar, Wai C. Wong, Mohammad R. Marzabadi, Charles Gluchowski +2 more 2001-07-31
6248747 5-(heterocyclic alkyl)-6-aryl-dihydropyrimidines George Chiu, T. G. Murali Dhar, Wai C. Wong, Mohammad R. Marzabadi, Charles Gluchowski 2001-06-19
6245773 5-(heterocyclic alkyl)-6-aryl-dihydropyrimidines Wai C. Wong, Bharat Lagu, Mohammad R. Marzabadi, Charles Gluchowski 2001-06-12
6228861 Dihydropyrimidines and uses thereof Wai C. Wong, Shou Wu Miao, Charles Gluchowski, Michael A. Patane 2001-05-08
6218390 Morpholinone and morpholine derivatives and uses thereof Bharat Lagu, Dake Tian, Charles Gluchowski 2001-04-17
6211198 Dihydropyridines and new uses thereof Charles Gluchowski, John Wetzel, George Chiu, Mohammed R. Marzabadi, Wai C. Wong 2001-04-03
6172066 Dihydropyrimidines and uses thereof Wai C. Wong, Shou Wu Miao, Michael A. Patane, Charles Gluchowski 2001-01-09
6159990 Oxazolidinones as .alpha..sub.1A receptor antagonists Bharat Lagu, T.G. Murali Dhar, Yoon Jeon, Mohammad R. Marzabadi, Wai C. Wong +1 more 2000-12-12
6057350 Alpha 1a adrenergic receptor antagonists Michael A. Patane, Mark G. Bock, Bharat Lagu, Wai C. Wong 2000-05-02
5942517 5-(heterocyclic alkyl)-6-aryl-dihydropyrimidines George Chiu, T. G. Murali Dhar, Wai C. Wong, Mohammad R. Marzabadi, Charles Gluchowski 1999-08-24
5767131 Dihydropyridines and new uses thereof Charles Gluchowski, John Wetzel, George Chiu, Mohammed R. Marzabadi, Wai C. Wong 1998-06-16