Inventor
HEWAWASAM PIYASENA
US61 patents
⚠️ This page may combine multiple inventors who share the name “HEWAWASAM PIYASENA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRISTOL MYERS SQUIBB CO
40 patentsUS7449479B2Nov 11, 2008
Hepatitis C virus inhibitors
BRISTOL MYERS SQUIBB CO67 citations99
US7153848B2Dec 26, 2006
Inhibitors of HCV replication
BRISTOL MYERS SQUIBB CO90 citations98
US6995174B2Feb 7, 2006
Hepatitis C virus inhibitors
BRISTOL MYERS SQUIBB CO194 citations98
US7132504B2Nov 7, 2006
Hepatitis C virus inhibitors
BRISTOL MYERS SQUIBB CO95 citations97
US5869509AFeb 9, 1999
Diphenyl oxadiazolones as potassium channel modulators
BRISTOL MYERS SQUIBB CO63 citations96
US5602169AFeb 11, 1997
3-substituted oxindole derivatives as potassium channel modulators
BRISTOL MYERS SQUIBB CO66 citations96
US5565483AOct 15, 1996
3-substituted oxindole derivatives as potassium channel modulators
BRISTOL MYERS SQUIBB CO75 citations96
US7348425B2Mar 25, 2008
Inhibitors of HCV replication
BRISTOL MYERS SQUIBB CO59 citations94
US7994171B2Aug 9, 2011
Compounds for the treatment of hepatitis C
BRISTOL MYERS SQUIBB CO20 citations92
US7485633B2Feb 3, 2009
Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors
BRISTOL MYERS SQUIBB CO20 citations92
US7473688B2Jan 6, 2009
Indolobenzazepine HCV NS5B inhibitors
BRISTOL MYERS SQUIBB CO26 citations92
US7456166B2Nov 25, 2008
Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors
BRISTOL MYERS SQUIBB CO24 citations92
US6271249B1Aug 7, 2001
Diphenyl imidazoles as potassium channel modulators
BRISTOL MYERS SQUIBB CO38 citations92
US6077861AJun 20, 2000
Diphenyl triazoles as potassium channel modulators
BRISTOL MYERS SQUIBB CO30 citations92
US5939405AAug 17, 1999
Phosphate derivatives of diaryl 1,3,4-oxadiazolone
BRISTOL MYERS SQUIBB CO18 citations92
US8377980B2Feb 19, 2013
Hepatitis C virus inhibitors
BRISTOL MYERS SQUIBB CO22 citations91
US6469042B1Oct 22, 2002
Fluoro oxindole derivatives as modulators if KCNQ potassium channels
BRISTOL MYERS SQUIBB CO32 citations90
US5972961AOct 26, 1999
4-aryl-3-aminoquinoline-2-one derivatives as potassium channel modulators
BRISTOL MYERS SQUIBB CO23 citations90
US9850225B2Dec 26, 2017
Compounds useful as immunomodulators
BRISTOL MYERS SQUIBB CO13 citations84
US8048887B2Nov 1, 2011
Compounds for the treatment of hepatitis C
BRISTOL MYERS SQUIBB CO17 citations84
US7547690B2Jun 16, 2009
Compounds for the treatment of Hepatitis C
BRISTOL MYERS SQUIBB CO8 citations84
US7541353B2Jun 2, 2009
Compounds for the treatment of hepatitis C
BRISTOL MYERS SQUIBB CO11 citations84
US7538103B2May 26, 2009
Compounds for the treatment of hepatitis C
BRISTOL MYERS SQUIBB CO17 citations84
US7538102B2May 26, 2009
Compounds for the treatment of Hepatitis C
BRISTOL MYERS SQUIBB CO16 citations84
US7521441B2Apr 21, 2009
Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors
BRISTOL MYERS SQUIBB CO18 citations84
US7521443B2Apr 21, 2009
Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors
BRISTOL MYERS SQUIBB CO13 citations84
US7521442B2Apr 21, 2009
Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors
BRISTOL MYERS SQUIBB CO18 citations84
US9326973B2May 3, 2016
Hepatitis C virus inhibitors
BRISTOL MYERS SQUIBB CO12 citations79
US6034113AMar 7, 2000
Derivatives of 1,3,4-oxadiazolone
BRISTOL MYERS SQUIBB CO11 citations74
US10144706B2Dec 4, 2018
Compounds useful as immunomodulators
BRISTOL MYERS SQUIBB CO7 citations73
US9776981B2Oct 3, 2017
Hepatitis C virus inhibitors
BRISTOL MYERS SQUIBB CO2 citations73
US6831080B2Dec 14, 2004
Cinnamide derivatives as KCNQ potassium channel modulators
BRISTOL MYERS SQUIBB CO11 citations71
US7049309B2May 23, 2006
3-Thia-4-arylquinolin-2-one potassium channel modulators
BRISTOL MYERS SQUIBB CO3 citations63
US5977150ANov 2, 1999
Amino acid derivatives of diaryl 1,3,4-oxadiazolone
BRISTOL MYERS SQUIBB CO4 citations63
US5948802ASep 7, 1999
Benzoate derivatives of diaryl 1,3,4-oxadiazolone
BRISTOL MYERS SQUIBB CO2 citations63
US5348960ASep 20, 1994
Imidazo[4,5-b]quinolinyl oxy alkyl tetrazolyl piperidine derivatives
BRISTOL MYERS SQUIBB CO3 citations63
US10745382B2Aug 18, 2020
Compounds useful as immunomodulators
BRISTOL MYERS SQUIBB CO2 citations62
US8722688B2May 13, 2014
Compounds for the treatment of hepatitis C
BRISTOL MYERS SQUIBB CO2 citations62
US5892106AApr 6, 1999
Preparation of 3-fluoro oxindole derivatives
BRISTOL MYERS SQUIBB CO4 citations62
US6613786B2Sep 2, 2003
Thiophenyl triazol-3-one derivatives as smooth muscle relaxants
BRISTOL MYERS SQUIBB CO5 citations58
PRACITTO RICHARD
3 patentsYEUNG KAP-SUN
2 patentsBRISTOL MYERS SQUIBB
1 patentMEANWELL NICHOLAS A
1 patentBRISTOL MEYERS SQUIBB CO
1 patentBENDER JOHN A
1 patentHEWAWASAM PIYASENA
1 patentShowing the top 50 of 61 patents by PatentIndex Score.