Inventor

Yanqing Zhao

Inventor
Toronto, CA

Overview

18→
Patents
2008–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 18 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 preparations29%
C07DHeterocyclic compounds25%
A61KPreparations for medical, dental or toiletry purposes22%
C07KPeptides9%
C30BSingle-crystal growth7%
Y02PClimate change mitigation technologies in the production or processing of goods4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
C07CAcyclic or carbocyclic compounds2%
PatentTitleYear
10,894,756Method for catalytically hydrogenating oxalates20219,938,240Fluorinated derivatives of 3-hydroxypyridin-4-ones20189,550,733'Fluorinated derivatives of 3-hydroxypyridin-4-ones'20179,073,865'Fluorinated derivates of 3-hydroxypyridin-4-ones'20158,735,602'Pharmaceutically acceptable salts of thymodepressin and processes for their manufacture'20148,673,943'Fluorinated derivatives of deferiprone'20148,664,262'Crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan'20148,592,607'Crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan'20138,507,449'Crystalline D-isoglutamyl-D-tryptophan and the mono ammonium salt of D-isoglutamyl-D-tryptophan'20138,481,588'Crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan'20138,476,235'Crystalline D-isoglutamyl-D-tryptophan and the mono ammonium salt of D-isoglutamyl-D-tryptophan'20138,207,217'Crystalline forms of the mono-sodium salt of D-isoglutamyl-D-tryptophan'20128,138,221'Pharmaceutically acceptable salts of thymodepressin and processes for their manufacture'20128,119,606'Crystalline D-isoglutamyl-D-tryptophan and the mono ammonium salt of D-isoglutamyl-D-tryptophan'20128,097,624'Cycloalkyl derivatives of 3-hydroxy-4-pyridinones'20128,026,261'Fluorinated derivatives of deferiprone'20117,893,269'Process for the manufacture of 3-hydroxy-N-alkyl-1-cycloalky1-6-alkyl-4-oxo-1,4-dihydropyridine-2-carboxamide and its related analogues'20117,410,985'Cycloalkyl derivatives of 3-hydroxy-4-pyridinones'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2014Based in Toronto, CA· patent location history
2011–2015Patents assigned to APOTEX TECHNOLOGIES INC (10)· patent assignee history
2012–2015Patents assigned to TAM TIM FAT (12)· patent assignee history
2012–2015Patents assigned to WANG YINGSHENG (12)· patent assignee history
2012–2015Patents assigned to ZHAO YANQING (12)· patent assignee history
2012–2015Patents assigned to LEUNG-TOUNG REGIS (10)· patent assignee history
2013–2018Based in Richmond Hill, CA· patent location history
2021Based in Tianjin, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAM TIM FAT122012–2015
WANG YINGSHENG122012–2015
ZHAO YANQINGself122012–2015
APOTEX TECHNOLOGIES INC102011–2015
LEUNG-TOUNG REGIS102012–2015
Locations
LocationPatentsSpan
Toronto, CA112008–2014
Richmond Hill, CA62013–2018
Tianjin, CN12021