Inventor
TANG DATONG
US34 patents
⚠️ This page may combine multiple inventors who share the name “TANG DATONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ENANTA PHARM INC
20 patentsUS7176208B2Feb 13, 2007
Quinoxalinyl macrocyclic hepatitis C serine protease inhibitors
ENANTA PHARM INC111 citations99
US7601709B2Oct 13, 2009
Macrocyclic hepatitis C serine protease inhibitors
ENANTA PHARM INC60 citations97
US7273851B2Sep 25, 2007
Tri-peptide hepatitis C serine protease inhibitors
ENANTA PHARM INC65 citations97
US7368452B2May 6, 2008
Quinoxalinyl macrocyclic hepatitis C serine protease inhibitors
ENANTA PHARM INC35 citations94
US7566719B2Jul 28, 2009
Quinoxalinyl macrocyclic hepatitis C serine protease inhibitors
ENANTA PHARM INC20 citations92
USRE42375EMay 17, 2011
Quinoxalinyl macrocyclic hepatitis C serine protease inhibitors
ENANTA PHARM INC7 citations84
US7384921B2Jun 10, 2008
Polymorphic forms of 6-11 bicyclic ketolide derivatives
ENANTA PHARM INC11 citations84
US7229972B2Jun 12, 2007
3,6-Bicyclolides
ENANTA PHARM INC15 citations84
US7291602B2Nov 6, 2007
11,12-lactone bicyclolides
ENANTA PHARM INC9 citations74
US7718769B2May 18, 2010
Tri-peptide hepatitis C serine protease inhibitors
ENANTA PHARM INC4 citations63
US7538225B2May 26, 2009
Processes for the preparation of o-(6-pyrazol-1-yl-pyridin-3-ylmethyl)-hydroxylamine
ENANTA PHARM INC3 citations63
US7517859B2Apr 14, 2009
Spirocyclic bicyclolides
ENANTA PHARM INC2 citations63
US7419962B2Sep 2, 2008
3,6-bicyclolides
ENANTA PHARM INC3 citations63
US9242974B2Jan 26, 2016
Processes for the preparation of 2-fluoro 6-11 bicyclic erythromycin derivatives
ENANTA PHARM INC0 citations52
US8921573B2Dec 30, 2014
Processes for the preparation of novel benzimidazole derivatives
ENANTA PHARM INC2 citations52
US7919627B2Apr 5, 2011
Processes for the preparation of hydroxylamines
ENANTA PHARM INC0 citations52
US7718612B2May 18, 2010
Pyridazinonyl macrocyclic hepatitis C serine protease inhibitors
ENANTA PHARM INC1 citations52
US7312201B2Dec 25, 2007
Tetracyclic bicyclolides
ENANTA PHARM INC2 citations52
US7842813B2Nov 30, 2010
Processes for the preparation of O-[5-(4-amino-thiazol-2-yl)-pyridin-2-ylmethyl]-hydroxylamine
ENANTA PHARM INC1 citations46
US8927739B2Jan 6, 2015
Processes for the preparation of 5-azaspiro[2.4]heptane-6-carboxylic acid and its derivatives
ENANTA PHARM INC0 citations42
TAKEDA PHARMACEUTICALS CO
4 patentsUS12527771B2Jan 20, 2026
Viral inhibitors, the synthesis thereof, and intermediates thereto
TAKEDA PHARMACEUTICALS CO0 citations59
US12377078B2Aug 5, 2025
Viral inhibitors, the synthesis thereof, and intermediates thereto
TAKEDA PHARMACEUTICALS CO0 citations59
US12295940B2May 13, 2025
Viral inhibitors, the synthesis thereof, and intermediates thereto
TAKEDA PHARMACEUTICALS CO0 citations59
US12295941B2May 13, 2025
Viral inhibitors, the synthesis thereof, and intermediates thereto
TAKEDA PHARMACEUTICALS CO0 citations59