P

Inventor

ZENG GUANGHUAI

CN8 patents
⚠️ This page may combine multiple inventors who share the name “ZENG GUANGHUAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TIANJIN HEMAY PHARMACEUTICAL SCI TECH CO LTD

3 patents
US12331030B2Jun 17, 2025

Piperidine-2,6-dione derivatives and ulcerative colitis treating

TIANJIN HEMAY PHARMACEUTICAL SCI TECH CO LTD0 citations58
US11873287B2Jan 16, 2024

Piperidine-2,6-dione derivatives and ulcerative colitis treating

TIANJIN HEMAY PHARMACEUTICAL SCI TECH CO LTD0 citations58
US11485724B2Nov 1, 2022

Piperidine-2,6-dione derivatives and ulcerative colitis treating

TIANJIN HEMAY PHARMACEUTICAL SCI TECH CO LTD0 citations58

ZHANG HESHENG

1 patent
US8952178B2Feb 10, 2015

Thiophene derivatives

ZHANG HESHENG10 citations81

TIANJIN HEMAY BIO-TECH CO LTD

1 patent
US9630975B2Apr 25, 2017

Thiophene derivatives

TIANJIN HEMAY BIO-TECH CO LTD2 citations69

TIANJIN HEMAY PHARMACEUTICAL CO LTD

1 patent
US10611775B2Apr 7, 2020

Thiophene derivatives

TIANJIN HEMAY PHARMACEUTICAL CO LTD0 citations48

TIANJIN HEMAY BIO TECH CO LTD

1 patent
US10385062B2Aug 20, 2019

Thiophene derivatives

TIANJIN HEMAY BIO TECH CO LTD0 citations48

TIANJIN HEMAY ONCOLOGY PHARMACEUTICAL CO LTD

1 patent
US9840494B2Dec 12, 2017

Quinazoline derivative

TIANJIN HEMAY ONCOLOGY PHARMACEUTICAL CO LTD0 citations45