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

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 26–50 of 62 patents

Patent #TitleCo-InventorsDate
8716263 Synthesis of purine nucleosides Byoung-Kwon Chun, Jinfa Du, Suguna Rachakonda, Bruce Ross, Michael Joseph Sofia +3 more 2014-05-06
8716262 Nucleoside phosphoramidates Michael Joseph Sofia, Jinfa Du, Peiyuan Wang 2014-05-06
8580765 Nucleoside phosphoramidate prodrugs Michael Joseph Sofia, Jinfa Du, Peiyuan Wang 2013-11-12
8563530 Purine nucleoside phosphoramidate Wonsuk Chang, Devan Naduthambi, Ganapati Reddy Pamulapati, Bruce Ross, Michael Joseph Sofia +1 more 2013-10-22
8551973 Nucleoside analogs Donghui Bao, Wonsuk Chang, Michael Joseph Sofia 2013-10-08
8334270 Nucleoside phosphoramidate prodrugs Michael Joseph Sofia, Jinfa Du, Peiyuan Wang 2012-12-18
8173621 Nucleoside cyclicphosphates Jinfa Du, Ganapati Reddy Pamulapati, Bruce Ross, Michael Joseph Sofia 2012-05-08
8101773 Hydroxy methyl phenyl pyrazolyl urea compounds useful in the treatment of cancer Roger Smith 2012-01-24
7977333 Substituted pyridines and pyridazines with angiogenesis inhibiting activity Jacques Dumas, Stephen Boyer, Julie A. Dixon, Teddy Kite Joe, Harold Kluender +3 more 2011-07-12
7678804 Pyrimidine derivatives for treatment of hyperproliferative disorders Julie A. Dixon, Lei Zhang, Chunguang Wang, Lin Yi, Yuanwei Chen +10 more 2010-03-16
7648986 Substituted thieno[3,2-D]pyrimidines as Rho kinase inhibitors Uday Khire, Davoud Asgari, Jianxing Shao, Xiao-Gao Liu, Chunguang Wang +5 more 2010-01-19
7582645 Pyrimidine derivatives for treatment of hyperproliferative disorders Julie A. Dixon, Lei Zhang, Chunguang Wang, Lin Yi, Yuanwei Chen +9 more 2009-09-01
6943172 Rho-kinase inhibitors Jacques Dumas, Holia Hatoum-Mokdad, Stephen Boyer, Hans Pluempe 2005-09-13
6924290 Rho-kinase inhibitors Jacques Dumas, Holia Hatoum-Mokdad, Stephen Boyer, Chunguang Wang, Hans Pluempe +2 more 2005-08-02
6903101 Substituted pyridazines and fused pyridazines with angiogenesis inhibiting activity Jacques Dumas, Stephen Boyer, Teddy Kite Joe, Holia Hatoum-Mokdad, Harold Kluender +3 more 2005-06-07
6787651 Substituted indoles, pharmaceutical compounds containing such indoles and their use as PPAR-&ggr; binding agents Andreas Stolle, Jacques Dumas, William CARLEY, Philip Coish, Steven R. Magnuson +8 more 2004-09-07
6727257 5-(heterocyclic alkyl)-6-aryl-dihydropyrimidines George Chiu, T. G. Murali Dhar, Wai C. Wong, Mohammad R. Marzabadi, Charles Gluchowski +2 more 2004-04-27
6720324 Selective melanin concentrating hormone-1 (MCH1) receptor antagonists and uses thereof Mohammad R. Marzabadi, John Wetzel, John E. DeLeon, Bharat Lagu, Charles Gluchowski +1 more 2004-04-13
6689883 Substituted pyridines and pyridazines with angiogenesis inhibiting activity Jacques Dumas, Stephen Boyer, Julie A. Dixon, Teddy Kite Joe, Harold Kluender +3 more 2004-02-10
6680323 Dihydropyrimidines and uses thereof Donghui Cui, Margaret R. Davis, Michael Dunn, Ben E. Evans, Hanumath P. Kari +3 more 2004-01-20
6620815 Oxazolidinones and uses thereof Bharat Lagu, T. G. Murali Dhar, Yoon Jeon, Mohammad R. Marzabadi, Wai C. Wong +1 more 2003-09-16
6608086 Dihydropyridines and new uses thereof Charles Gluchowski, John Wetzel, George Chiu, Mohammed R. Marzabadi, Wai C. Wong 2003-08-19
6531471 Morpholinone and morpholine derivatives and uses thereof Bharat Lagu, Dake Tian, Charles Gluchowski 2003-03-11
6362182 Morpholinone and morpholine derivatives and uses thereof Bharat Lagu, Dake Tian, Charles Gluchowski 2002-03-26
6310076 Dihydropyridines and new uses thereof Charles Gluchowski, John Wetzel, George Chiu, Mohammed R. Marzabadi, Wai C. Wong 2001-10-30