Inventor

Qingyun Liu

Inventor
The Woodlands, TX, US

Overview

12→
Patents
2001–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

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

A61Pprimary
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations22%
C07KPeptides22%
A61KPreparations for medical, dental or toiletry purposes19%
C07DHeterocyclic compounds11%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
C07BGeneral methods of organic chemistry4%
C07CAcyclic or carbocyclic compounds4%
C12QMeasuring or testing processes involving enzymes, nucleic acids or microorganisms4%
F24FAir-conditioning4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2007Patents assigned to MERCK & CO INC (5)· patent assignee history
2001–2006Based in North Wales, PA, US· patent location history
2007–2015Based in The Woodlands, TX, US· patent location history
2012–2015Patents assigned to LIU QINGYUN (3)· patent assignee history
2012–2014Patents assigned to LEXICON PHARMACEUTICALS INC (2)· patent assignee history
2015–2020Patents assigned to UNIV TEXAS (2)· patent assignee history
2020Based in Houston, TX, US· patent location history
2021Patents assigned to AMGEN INC (2)· patent assignee history
2021Based in Camarillo, CA, US· patent location history
2021Based in Guangdong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MERCK & CO INC52001–2007
LIU QINGYUNself32012–2015
AMGEN INC22021
LEXICON PHARMACEUTICALS INC22012–2014
UNIV TEXAS22015–2020
Locations
LocationPatentsSpan
The Woodlands, Texas, US42007–2015
North Wales, Pennsylvania, US42001–2006
Camarillo, California, US22021
Guangdong, CN12021
Houston, Texas, US12020