Inventor

LI XUFEI

CN4 patents

⚠️ This page may combine multiple inventors who share the name “LI XUFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHEJIANG HISUN PHARM CO LTD

3 patents

US12522599B2Jan 13, 2026

Crystal forms of acrylic acid derivatives, preparation method therefor and use thereof

ZHEJIANG HISUN PHARM CO LTD0 citations58

US10364219B2Jul 30, 2019

Method for preparing azetidinone compound and intermediate of azetidinone compound

ZHEJIANG HISUN PHARM CO LTD0 citations48

US9926268B2Mar 27, 2018

Method for preparing azetidinone compound and intermediate of azetidinone compound

ZHEJIANG HISUN PHARM CO LTD0 citations48

BAOSHAN IRON & STEEL

1 patent

US11377711B2Jul 5, 2022

780MPa cold-rolled duel-phase strip steel and method for manufacturing the same

BAOSHAN IRON & STEEL0 citations41