Inventor
LIU YULING
CN13 patents
⚠️ This page may combine multiple inventors who share the name “LIU YULING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LIU YULING
5 patentsUS7883557B2Feb 8, 2011
Slurry for chemical-mechanical planarization of sapphire and method for manufacturing the same
LIU YULING13 citations77
US7524235B2Apr 28, 2009
Method of eliminating surface stress of silicon wafer
LIU YULING2 citations57
US9066960B2Jun 30, 2015
Use of the effective fraction of alkaloids from mulberry twig in preparing hypoglycemic agents
LIU YULING2 citations51
US8921229B2Dec 30, 2014
Method of polishing copper wiring surfaces in ultra large scale integrated circuits
LIU YULING0 citations50
US7578890B2Aug 25, 2009
Method for removing contaminants from silicon wafer surface
LIU YULING1 citations48
BEIJING WEHAND BIO PHARMACEUTICAL CO LTD
4 patentsUS12527830B2Jan 20, 2026
Method for treating and preventing ulcerative colitis and method for DAI reduction
BEIJING WEHAND BIO PHARMACEUTICAL CO LTD0 citations57
US12533385B2Jan 27, 2026
Use of mulberry twig alkaloids in preparation of drug for treating polycystic ovarian syndrome
BEIJING WEHAND BIO PHARMACEUTICAL CO LTD0 citations44
US11779041B2Oct 10, 2023
Plant extraction method
BEIJING WEHAND BIO PHARMACEUTICAL CO LTD0 citations42
US11771660B2Oct 3, 2023
Flavonoid polyphenol drug self-emulsifying composition, preparation method therefor, pharmaceutical composition thereof and application thereof
BEIJING WEHAND BIO PHARMACEUTICAL CO LTD0 citations42