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Inventor

Guanghuai Zeng

Inventor
Tianjin, CN

Overview

5→
Patents
2015–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes26%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations26%
C07DHeterocyclic compounds26%
Y02ATechnologies for adaptation to climate change21%
PatentTitleYear
10,611,775Thiophene derivatives202010,385,062Thiophene derivatives20199,840,494'Quinazoline derivative'20179,630,975'Thiophene derivatives'20178,952,178'Thiophene derivatives'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015–2019Patents assigned to TIANJIN HEMAY BIO TECH CO LTD (2)· patent assignee history
2015–2019Patents assigned to TIANJIN MICHELE SCI TECH DEV CO LTD (2)· patent assignee history
2015Patents assigned to GAO YIFEI (1)· patent assignee history
2015–2020Based in Tianjin, CN· patent location history
2017Patents assigned to TIANJIN HEMAY BIO-TECH CO LTD (1)· patent assignee history
2017Patents assigned to TIANJIN HEMAY ONCOLOGY PHARMACEUTICAL CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TIANJIN HEMAY BIO TECH CO LTD22015–2019
TIANJIN MICHELE SCI TECH DEV CO LTD22015–2019
GAO YIFEI12015
TIANJIN HEMAY BIO-TECH CO LTD12017
TIANJIN HEMAY ONCOLOGY PHARMACEUTICAL CO LTD12017
Locations
LocationPatentsSpan
Tianjin, CN52015–2020