P

Inventor

ZHANG XIQUAN

CN50 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG XIQUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD

41 patents
US10183017B2Jan 22, 2019

Methods and uses of quinoline derivatives in the treatment of soft tissue sarcomas and pharmaceutical compositions for treatment of same

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD9 citations82
US9968597B2May 15, 2018

Methods and uses of quinoline derivatives in the treatment of soft tissue sarcomas and pharmaceutical compositions for treatment of same

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD13 citations82
US10562904B2Feb 18, 2020

Synthesis process of ruxolitinib

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD8 citations80
US10745383B2Aug 18, 2020

1,3,5-triazine derivative and method of using same

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD2 citations72
US11554115B2Jan 17, 2023

Quinoline derivative for treatment of triple-negative breast cancer

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD2 citations71
US11332465B2May 17, 2022

Diarylthiohydantoin compound as androgen receptor antagonist

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD3 citations71
US12319689B2Jun 3, 2025

Methyl- and trifluoromethyl-containing disubstituted sulfonamide selective BCL-2 inhibitor

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD2 citations70
US10626107B2Apr 21, 2020

Crystal form, salt type of substituted 2-hydro-pyrazole derivative and preparation method therefor

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD2 citations70
US10766901B2Sep 8, 2020

Preparation method for chiral pyrrolopyrimidine compound

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD3 citations69
US11419862B2Aug 23, 2022

Quinoline derivative for treatment of nasopharyngeal carcinoma

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD3 citations68
US11866433B2Jan 9, 2024

Diarylthiohydantoin compound as androgen receptor antagonist

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations61
US11292809B2Apr 5, 2022

Crystals of glycyrrhizic acid derivatives, crystalline compositions, pharmaceutical compositions and uses thereof

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations61
US10231973B2Mar 19, 2019

Salts of quinazoline derivative and method for preparing the same

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD1 citations61
US12390458B2Aug 19, 2025

Therapeutic combination of quinoline derivative and antibody

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD1 citations60
US12195468B2Jan 14, 2025

TLR7 agonist for treating colorectal cancer and pharmaceutical combination thereof

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations60
US12128047B2Oct 29, 2024

TLR7 agonist and pharmaceutical combination thereof for treating lung cancer

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations60
US12508258B2Dec 30, 2025

Quinoline derivative for treating rheumatoid arthritis

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations59
US12447154B2Oct 21, 2025

Use of pyrrolopyrimidine compound for treating hemophagocytic syndrome

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations59
US11014943B2May 25, 2021

Azetidine derivative

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD1 citations59
US11702439B2Jul 18, 2023

Method for preparing trifluridine

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations58
US12421313B2Sep 23, 2025

Combined pharmaceutical composition for treating tumor

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations57
US11254665B2Feb 22, 2022

Crystalline sulfamide compound

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations57
US12570633B2Mar 10, 2026

Preparation method for CDK4/6 inhibitor

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations54
US10035792B2Jul 31, 2018

Resorcinol derivative as HSP90 inhibitor

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD1 citations52
US11466036B2Oct 11, 2022

Borate of azetidine derivative

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations51
US12336996B2Jun 24, 2025

Drug combination containing TLR7 agonist

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations50
US11572372B2Feb 7, 2023

Anti-HBVtetrahydroisoxazolo[4,3-c]pyridine compounds

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations50
US10881615B2Jan 5, 2021

Pharmaceutical composition comprising dabigatran etexilate, and preparation method, solid preparation and use thereof

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations50
US10385038B2Aug 20, 2019

Pyridine substituted 2-aminopyridine protein kinase inhibitor crystal

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations50
US9981946B2May 29, 2018

Pyridine-substituted 2-aminopyridine protein kinase inhibitors

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD1 citations50
US10626118B2Apr 21, 2020

Pyrrolopyrimidine crystal for preparing JAK inhibitor

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations49
US10023582B2Jul 17, 2018

6-aryl amino pyridone formamide compound crystal and preparation method therefor

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations49
US12371431B2Jul 29, 2025

Trifluoromethyl-substituted sulfonamide as BCL-2-selective inhibitor

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations48
US11534398B2Dec 27, 2022

Inhaled preparation of isoglycyrrhizic acid or salt thereof, and use in preparing drugs for treating respiratory system diseases

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations48
US11466024B2Oct 11, 2022

Bicylic compound acting as an inhibitor

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations47
US11111265B2Sep 7, 2021

Method for preparing cholic acid compound

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations47
US12358891B2Jul 15, 2025

Crystals of quinolone derivatives

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations46
US10822319B2Nov 3, 2020

Crystal of DPP-IV long-acting inhibitor and salt

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations46
US12522600B2Jan 13, 2026

Crystal form and salt form of bromine domain protein inhibitor and preparation method therefor

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations45
US10851071B2Dec 1, 2020

M-dihydroxybenzene derivative crystal and salt, and manufacturing method thereof

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations41
US10155722B2Dec 18, 2018

Antitumor compound targeting IDH2 mutation and method of use thereof

CHIA TAI TIANQING PHARMACEUTICAL GROUP CO LTD0 citations41

HUAWEI TECH CO LTD

5 patents

NANJING SHUNXIN PHARMACEUTICAL CO LTD

1 patent

LIU YANLONG

1 patent

SHANGHAI DUDE MEDICAL SCIENCE AND TECH CO LTD

1 patent

ZHANG AIMING

1 patent