Inventor

FU ZHIFEI

CN9 patents

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

ZHANGZHOU PIEN TZE HUANG PHARM

5 patents

US11286248B2Mar 29, 2022

Pyrazine-2(1H)-ketone compound acting as FGFR inhibitor

ZHANGZHOU PIEN TZE HUANG PHARM3 citations70

US11603366B2Mar 14, 2023

Crystalline form and B crystalline form of pyrazine-2(1H)-ketone compound and preparation method thereof

ZHANGZHOU PIEN TZE HUANG PHARM0 citations59

US11535609B2Dec 27, 2022

Pyrazine-2(1H)-ketone compound preparation method

ZHANGZHOU PIEN TZE HUANG PHARM0 citations59

US11680061B2Jun 20, 2023

Crystal forms C and E of pyrazin-2(1H)-one compound and preparation method therefor

ZHANGZHOU PIEN TZE HUANG PHARM0 citations58

US11597722B2Mar 7, 2023

Crystal form D of pyrazine-2(1H)-ketone compound and preparation method therefor

ZHANGZHOU PIEN TZE HUANG PHARM0 citations56

CHANGZHOU YINSHENG PHARMACEUTICAL CO LTD

1 patent

US10100027B2Oct 16, 2018

Benzofuran analogue as NS4B inhibitor

CHANGZHOU YINSHENG PHARMACEUTICAL CO LTD2 citations66

GUANGDONG RAYNOVENT BIOTECH CO LTD

1 patent

US10654808B2May 19, 2020

Tyrosine kinase inhibitor and pharmaceutical composition comprising same

GUANGDONG RAYNOVENT BIOTECH CO LTD1 citations61

CSPC ZHONGQI PHARMACEUTICAL TECH SHIJIAZHUANG CO LTD

1 patent

US12398138B2Aug 26, 2025

FGFR inhibitor compound in solid form and preparation method therefor

CSPC ZHONGQI PHARMACEUTICAL TECH SHIJIAZHUANG CO LTD0 citations60

GUANGZHOU BAIYUNSHAN PHARMACEUTICAL HOLDINGS CO LTD BAIYUNSHAN PHARMACEUTICAL GENERAL FACTORY

1 patent

US12240849B2Mar 4, 2025

Nitrogen-containing spiro derivative as RET inhibitor

GUANGZHOU BAIYUNSHAN PHARMACEUTICAL HOLDINGS CO LTD BAIYUNSHAN PHARMACEUTICAL GENERAL FACTORY0 citations43