Inventor
DUAN JIFENG
US14 patents
⚠️ This page may combine multiple inventors who share the name “DUAN JIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HUTCHISON MEDIPHARMA ENTPR LTD
8 patentsUS8349859B2Jan 8, 2013
Pyrimidine derivatives
HUTCHISON MEDIPHARMA ENTPR LTD6 citations82
USRE42718ESep 20, 2011
Crude extracts from andrographis paniculata
HUTCHISON MEDIPHARMA ENTPR LTD4 citations72
US7341748B2Mar 11, 2008
Crude extracts from Andrographis paniculata
HUTCHISON MEDIPHARMA ENTPR LTD7 citations72
US8901143B2Dec 2, 2014
Pyrimidine derivatives
HUTCHISON MEDIPHARMA ENTPR LTD5 citations71
US7829574B2Nov 9, 2010
Substituted quinazoline compounds and their use in treating angiogenesis-related diseases
HUTCHISON MEDIPHARMA ENTPR LTD1 citations61
US7488836B2Feb 10, 2009
Costunolide derivatives
HUTCHISON MEDIPHARMA ENTPR LTD2 citations60
US7622465B2Nov 24, 2009
Costunolide derivatives
HUTCHISON MEDIPHARMA ENTPR LTD0 citations51
US7902359B2Mar 8, 2011
Decahydronaphthalene compounds
HUTCHISON MEDIPHARMA ENTPR LTD0 citations39