Inventor
LI YUANQIANG
CN17 patents
⚠️ This page may combine multiple inventors who share the name “LI YUANQIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LI YUANQIANG
4 patentsUS8535566B2Sep 17, 2013
Silicon carbidonitride based phosphors and lighting devices using the same
LI YUANQIANG11 citations81
US8551361B2Oct 8, 2013
Oxycarbonitride phosphors and light emitting devices using the same
LI YUANQIANG1 citations59
US8512599B2Aug 20, 2013
Carbonitride based phosphors and light emitting devices using the same
LI YUANQIANG2 citations59
US9017574B2Apr 28, 2015
Carbidonitride phosphors and LED lighting devices using the same
LI YUANQIANG0 citations49
ZHEJIANG JIUZHOU PHARM CO LTD
3 patentsUS9902693B2Feb 27, 2018
Preparation method for pyrrolidine-2-carboxylic acid derivatives
ZHEJIANG JIUZHOU PHARM CO LTD0 citations46
US9604966B2Mar 28, 2017
Crizotinib preparation method
ZHEJIANG JIUZHOU PHARM CO LTD0 citations44
US10155739B2Dec 18, 2018
Halogenated S-(perfluoroalkyl)dibenzothiophenium salt and its production methods
ZHEJIANG JIUZHOU PHARM CO LTD0 citations43
GILEAD PHARMASSET LLC
2 patentsAPOTEX PHARMACHEM INC
2 patentsUS7196197B2Mar 27, 2007
Process for the preparation of Flecainide, its pharmaceutically acceptable salts and important intermediates thereof
APOTEX PHARMACHEM INC2 citations61
US7939665B2May 10, 2011
Efficient process for the preparation of cabergoline and its intermediates
APOTEX PHARMACHEM INC0 citations48