Hewawasam; Piyasena
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hewawasam; Piyasena.The latest application filed is for "hepatitis c virus inhibitors".
Company Profile
2.53.62
- Hewawasam; Piyasena - Middletown CT
Patent Activity
| Patent | Date |
|---|---|
| Compounds useful as immunomodulators Grant 10,745,382 - Yeung , et al. A | 2020-08-18 |
| Hepatitis C virus inhibitors Grant 10,617,675 - Frennesson , et al. | 2020-04-14 |
| Compounds useful as immunomodulators Grant 10,144,706 - Yeung , et al. De | 2018-12-04 |
| Hepatitis C Virus Inhibitors App 20180221342 - Frennesson; David B. ; et al. | 2018-08-09 |
| Compounds Useful As Immunomodulators App 20180057455 - YEUNG; KAP-SUN ; et al. | 2018-03-01 |
| Compounds useful as immunomodulators Grant 9,850,225 - Chupak , et al. December 26, 2 | 2017-12-26 |
| Hepatitis C Virus Inhibitor App 20170355689 - LAVOIE; RICO ; et al. | 2017-12-14 |
| Hepatitis C virus inhibitors Grant 9,776,981 - Lavoie , et al. October 3, 2 | 2017-10-03 |
| Hepatitis C virus inhibitors Grant 9,770,439 - Hewawasam , et al. September 26, 2 | 2017-09-26 |
| Compounds Useful As Immunomodulators App 20170107202 - YEUNG; KAP-SUN ; et al. | 2017-04-20 |
| Hepatitis C Virus Inhibitors App 20160199355 - HEWAWASAM; PIYASENA ; et al. | 2016-07-14 |
| Combinations of Hepatitis C Virus Inhibitors App 20160158200 - Hewawasam; Piyasena ; et al. | 2016-06-09 |
| Hepatitis C virus inhibitors Grant 9,326,973 - Hewawasam , et al. May 3, 2 | 2016-05-03 |
| Hepatitis C Virus Inhibitors App 20150322048 - Lavoie; Rico ; et al. | 2015-11-12 |
| Hepatitis C Virus Inhibitors App 20150297568 - Hewawasam; Piyasena ; et al. | 2015-10-22 |
| Compounds Useful as Immunomodulators App 20150291549 - Chupak; Louis S. ; et al. | 2015-10-15 |
| Hepatitis C Virus Inhibitors App 20150197499 - Lavoie; Rico ; et al. | 2015-07-16 |
| Hepatitis C Virus Inhibitors App 20150023913 - Hewawasam; Piyasena ; et al. | 2015-01-22 |
| Hepatitis C virus inhibitors Grant 8,796,466 - Bender , et al. August 5, 2 | 2014-08-05 |
| Cyclopropyl Fused Indolobenzazepine HCV NS5B Inhibitors App 20140186299 - Bender; John A. ; et al. | 2014-07-03 |
| Compounds for the treatment of hepatitis C Grant 8,722,688 - Yeung , et al. May 13, 2 | 2014-05-13 |
| Cyclopropyl Fused Indolobenzazepine HCV NS5B Inhibitors App 20140045816 - Bender; John A. ; et al. | 2014-02-13 |
| Compounds for the treatment of hepatitis C Grant 8,536,338 - Pracitto , et al. September 17, 2 | 2013-09-17 |
| Compounds for the Treatment of Hepatitis C App 20130197012 - Yeung; Kap-Sun ; et al. | 2013-08-01 |
| Hepatitis C Virus Inhibitors App 20130183269 - Hewawasam; Piyasena ; et al. | 2013-07-18 |
| Cyclopropyl Fused Indolobenzazepine HCV NS5B Inhibitors App 20130171098 - Bender; John A. ; et al. | 2013-07-04 |
| Hepatitis C Virus Inhibitors App 20130115193 - Lavoie; Rico ; et al. | 2013-05-09 |
| Hepatitis C virus inhibitors Grant 8,377,980 - Belema , et al. February 19, 2 | 2013-02-19 |
| Hepatitis C Virus Inhibitors App 20120330019 - Wang; Xiangdong Alan ; et al. | 2012-12-27 |
| Compounds for the Treatment of Hepatitis C App 20120316126 - Yeung; Kap-Sun ; et al. | 2012-12-13 |
| Compounds for the treatment of hepatitis C Grant 8,309,558 - Yeung , et al. November 13, 2 | 2012-11-13 |
| Compounds for the treatment of hepatitis C Grant 8,293,909 - Pracitto , et al. October 23, 2 | 2012-10-23 |
| Compounds for the Treatment of Hepatitis C App 20120232099 - Pracitto; Richard ; et al. | 2012-09-13 |
| Compounds For The Treatment Of Hepatitis C App 20120201783 - Yeung; Kap-Sun ; et al. | 2012-08-09 |
| Compounds for the treatment of hepatitis C Grant 8,198,449 - Pracitto , et al. June 12, 2 | 2012-06-12 |
| Compounds for the Treatment of Hepatitis C App 20120115847 - Hewawasam; Piyasena ; et al. | 2012-05-10 |
| Compounds for the treatment of hepatitis C Grant 8,148,382 - Yeung , et al. April 3, 2 | 2012-04-03 |
| Compounds for the treatment of Hepatitis C Grant 8,129,367 - Hewawasam , et al. March 6, 2 | 2012-03-06 |
| Cyclopropyl Fused Indolobenzazepine HCV NS5B Inhibitors App 20110311480 - Bender; John A. ; et al. | 2011-12-22 |
| Hepatitis C Virus Inhibitors App 20110286961 - Belema; Makonen ; et al. | 2011-11-24 |
| Hepatitis C Virus Inhibitors App 20110274648 - Lavoie; Rico ; et al. | 2011-11-10 |
| Compounds for the treatment of hepatitis C Grant 8,048,887 - Yeung , et al. November 1, 2 | 2011-11-01 |
| Compounds for the Treatment of Hepatitis C App 20110256099 - Yeung; Kap-Sun ; et al. | 2011-10-20 |
| Hepatitis C Virus Inhibitors App 20110237636 - Belema; Makonen ; et al. | 2011-09-29 |
| Compounds for the treatment of hepatitis C Grant 7,994,171 - Yeung , et al. August 9, 2 | 2011-08-09 |
| Hepatitis C Virus Inhibitors App 20110077280 - Bender; John A. ; et al. | 2011-03-31 |
| Compounds for the Treatment of Hepatitis C App 20100249094 - Yeung; Kap-Sun ; et al. | 2010-09-30 |
| Compounds for the Treatment of Hepatitis C App 20100184800 - Pracitto; Richard ; et al. | 2010-07-22 |
| Compounds for the Treatment of Hepatitis C App 20100093694 - Yeung; Kap-Sun ; et al. | 2010-04-15 |
| Compounds for the Treatment of Hepatitis C App 20100063068 - Pracitto; Richard ; et al. | 2010-03-11 |
| Hepatitis C virus inhibitors Grant 7,601,686 - Hewawasam , et al. October 13, 2 | 2009-10-13 |
| Cyclopropyl Fused Indolobenzazepine HCV NS5B Inhibitors App 20090162318 - Bender; John A. ; et al. | 2009-06-25 |
| Compounds for the treatment of Hepatitis C Grant 7,547,690 - Gentles , et al. June 16, 2 | 2009-06-16 |
| Compounds for the treatment of hepatitis C Grant 7,541,353 - Gentles , et al. June 2, 2 | 2009-06-02 |
| Compounds for the treatment of hepatitis C Grant 7,538,103 - Hewawasam , et al. May 26, 2 | 2009-05-26 |
| Compounds for the treatment of Hepatitis C Grant 7,538,102 - Yeung , et al. May 26, 2 | 2009-05-26 |
| Compounds for the Treatment of Hepatitis C App 20090130057 - Hewawasam; Piyasena ; et al. | 2009-05-21 |
| Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors Grant 7,521,443 - Bender , et al. April 21, 2 | 2009-04-21 |
| Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors Grant 7,521,442 - Gentles , et al. April 21, 2 | 2009-04-21 |
| Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors Grant 7,521,441 - Gentles , et al. April 21, 2 | 2009-04-21 |
| Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors Grant 7,485,633 - Meanwell , et al. February 3, 2 | 2009-02-03 |
| Indolobenzazepine HCV NS5B inhibitors Grant 7,473,688 - Bergstrom , et al. January 6, 2 | 2009-01-06 |
| Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors Grant 7,456,166 - Bender , et al. November 25, 2 | 2008-11-25 |
| Hepatitis C virus inhibitors Grant 7,449,479 - Wang , et al. November 11, 2 | 2008-11-11 |
| Compounds for the Treatment of Hepatitis C App 20080226593 - Hewawasam; Piyasena ; et al. | 2008-09-18 |
| Compounds for the Treatment of Hepatitis C App 20080226591 - Gentles; Robert G. ; et al. | 2008-09-18 |
| Compounds for the Treatment of Hepatitis C App 20080227769 - Gentles; Robert G. ; et al. | 2008-09-18 |
| Compounds for the Treatment of Hepatitis C App 20080226592 - Yeung; Kap-Sun ; et al. | 2008-09-18 |
| Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors Grant 7,399,758 - Meanwell , et al. July 15, 2 | 2008-07-15 |
| Cyclopropyl Fused Indolobenzazepine Hcv Ns5b Inhibitors App 20080146537 - Bender; John A. ; et al. | 2008-06-19 |
| Inhibitors of HCV replication Grant 7,348,425 - Hudyma , et al. March 25, 2 | 2008-03-25 |
| Cyclopropyl Fused Indolobenzazepine HCV NS5B Inhibitors App 20070275930 - Gentles; Robert G. ; et al. | 2007-11-29 |
| Cyclopropyl Fused Indolobenzazepine HCV NS5B Inhibitors App 20070270405 - Bender; John A. ; et al. | 2007-11-22 |
| Cyclopropyl Fused Indolobenzazepine HCV NS5B Inhibitors App 20070270406 - Gentles; Robert G. ; et al. | 2007-11-22 |
| Cyclopropyl Fused Indolobenzazepine HCV NS5B Inhibitors App 20070184024 - Meanwell; Nicholas A. ; et al. | 2007-08-09 |
| Indolobenzazepine HCV NS5B inhibitors App 20070078122 - Bergstrom; Carl P. ; et al. | 2007-04-05 |
| Cyclopropyl fused indolobenzazepine HCV NS5B inhibitors App 20070060565 - Meanwell; Nicholas A. ; et al. | 2007-03-15 |
| 3-thia-4-arylquinolin-2-one derivatives Grant 7,179,920 - Boy , et al. February 20, 2 | 2007-02-20 |
| N-substituted prodrugs of fluorooxindoles Grant 7,169,803 - Starrett, Jr. , et al. January 30, 2 | 2007-01-30 |
| Hepatitis C virus inhibitors App 20070010455 - Hewawasam; Piyasena ; et al. | 2007-01-11 |
| Inhibitors of HCV replication Grant 7,153,848 - Hudyma , et al. December 26, 2 | 2006-12-26 |
| Potassium channel modulators Grant 7,151,180 - Hewawasam , et al. December 19, 2 | 2006-12-19 |
| Hepatitis C virus inhibitors Grant 7,132,504 - Scola , et al. November 7, 2 | 2006-11-07 |
| Hepatitis C virus inhibitors App 20060172950 - Wang; Xiangdong Alan ; et al. | 2006-08-03 |
| Inhibitors of HCV replication App 20060166964 - Hudyma; Thomas W. ; et al. | 2006-07-27 |
| 3-Thia-4-arylquinolin-2-one potassium channel modulators Grant 7,049,309 - Boy , et al. May 23, 2 | 2006-05-23 |
| Inhibitors of HCV replication App 20060046983 - Hudyma; Thomas W. ; et al. | 2006-03-02 |
| Hepatitis C virus inhibitors Grant 6,995,174 - Wang , et al. February 7, 2 | 2006-02-07 |
| N-substituted prodrugs of fluorooxindoles App 20050203089 - Starrett, John E. JR. ; et al. | 2005-09-15 |
| Hepatitis C virus inhibitors App 20050187165 - Scola, Paul Michael ; et al. | 2005-08-25 |
| 3-Thia-4-arylquinolin-2-one potassium channel modulators App 20050176763 - Boy, Kenneth M. ; et al. | 2005-08-11 |
| Potassium channel modulators App 20050080082 - Hewawasam, Piyasena ; et al. | 2005-04-14 |
| 3-thia-4-arylquinolin-2-one derivatives App 20050080105 - Boy, Kenneth M. ; et al. | 2005-04-14 |
| Selective maxi-K potassium channel openers functional under conditions of high intracellular calcium concentration, methods and uses thereof App 20050043293 - Gribkoff, Valentin K. ; et al. | 2005-02-24 |
| 3-fluoro-2-oxindole modulators of KCNQ potassium channels and use thereof in treating migraine and mechanistically related disease Grant 6,855,829 - Dworetzky , et al. February 15, 2 | 2005-02-15 |
| Cinnamide derivatives as KCNQ potassium channel modulators Grant 6,831,080 - Wu , et al. December 14, 2 | 2004-12-14 |
| Hepatitis C virus inhibitors App 20040106559 - Wang, Xiangdong Alan ; et al. | 2004-06-03 |
| Cinnamide derivatives as KCNQ potassium channel modulators App 20030166650 - Wu, Yong-Jin ; et al. | 2003-09-04 |
| Thiophenyl triazol-3-one derivatives as smooth muscle relaxants Grant 6,613,786 - Hewawasam , et al. September 2, 2 | 2003-09-02 |
| Thiophenyl triazol-3-one derivatives as smooth muscle relaxants App 20030144333 - Hewawasam, Piyasena ; et al. | 2003-07-31 |
| 2, 4-disubstituted pyrimidine-5-carboxamide derivatives as KCNQ potassium channel modulators App 20020183335 - Hewawasam, Piyasena ; et al. | 2002-12-05 |
| Fluoro oxindole derivatives as modulators of KCNQ potassium channels App 20020156120 - Hewawasam, Piyasena ; et al. | 2002-10-24 |
| Modulators of KCNQ potassium channels and use thereof in treating migraine and mechanistically related diseases App 20020128277 - Dworetzky, Steven I. ; et al. | 2002-09-12 |
| Selective maxi-K potassium channel openers functional under conditions of high intracellular calcium concentration, methods and uses thereof App 20020045566 - Gribkoff, Valentin K. ; et al. | 2002-04-18 |
| Diphenyl imidazoles as potassium channel modulators Grant 6,271,249 - Romine , et al. August 7, 2 | 2001-08-07 |
| 3-substituted-4-arylquinolin-2-one derivatives as potassium channel modulators Grant 6,184,231 - Hewawasam , et al. February 6, 2 | 2001-02-06 |
| Diphenyl triazoles as potassium channel modulators Grant 6,077,861 - Romine , et al. June 20, 2 | 2000-06-20 |
| Phosphate derivatives of diaryl 1,3,4-oxadiazolone Grant 5,939,405 - Starrett, Jr. , et al. August 17, 1 | 1999-08-17 |
| Diphenyl oxadiazolones as potassium channel modulators Grant 5,869,509 - Romine , et al. February 9, 1 | 1999-02-09 |
| 3-substituted oxindole derivatives as potassium channel modulators Grant 5,602,169 - Hewawasam , et al. February 11, 1 | 1997-02-11 |
| 3-substituted oxindole derivatives as potassium channel modulators Grant 5,565,483 - Hewawasam , et al. October 15, 1 | 1996-10-15 |
| 7-oxypropylsulfonamido-imidazo[4,5-b]quinolin-2-ones Grant 5,208,237 - Hewawasam , et al. May 4, 1 | 1993-05-04 |
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