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Inventor

CHAPPIE THOMAS ALLEN

US23 patents
⚠️ This page may combine multiple inventors who share the name “CHAPPIE THOMAS ALLEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PFIZER

21 patents
US9598421B2Mar 21, 2017

Imidazopyridazine compounds

PFIZER6 citations83
US9120788B2Sep 1, 2015

Azabenzimidazole compounds

PFIZER8 citations83
US8933224B2Jan 13, 2015

Triazine derivatives

PFIZER5 citations83
US7268142B2Sep 11, 2007

Tetrahydroisoquinolinyl derivatives of quinazoline and isoquinoline

PFIZER16 citations80
US10738063B2Aug 11, 2020

6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxamide compounds

PFIZER3 citations72
US9815832B2Nov 14, 2017

Azabenzimidazole compounds

PFIZER4 citations72
US11472805B2Oct 18, 2022

Tricyclic compounds and their use as phosphodiesterase inhibitors

PFIZER4 citations71
US9200000B2Dec 1, 2015

Imidazo[5,1-f][1,2,4]triazines for the treatment of neurological disorders

PFIZER4 citations71
US10323042B2Jun 18, 2019

6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxamide compounds

PFIZER1 citations62
US9296761B2Mar 29, 2016

Triazine derivatives

PFIZER2 citations62
US7381741B2Jun 3, 2008

3-amino-2-phenylpyrrolidine derivatives

PFIZER3 citations61
US12049465B2Jul 30, 2024

Tricyclic compounds and their use as phosphodiesterase inhibitors

PFIZER0 citations60
US11390623B2Jul 19, 2022

6,7,8,9-tetrahydro-5H-pyrido[2,3-d]azepine dopamine D3 ligands

PFIZER0 citations60
US11161844B2Nov 2, 2021

Cyclic substituted imidazo[4,5-c]quinoline derivatives

PFIZER1 citations60
US11312713B2Apr 26, 2022

Imidazo[4,5-C]quinoline derivatives as LRRK2 inhibitors

PFIZER0 citations59
US9145427B2Sep 29, 2015

Triazine derivatives

PFIZER3 citations59
US7119207B2Oct 10, 2006

Benzoamide piperidine containing compounds and related compounds

PFIZER3 citations56
US10669279B2Jun 2, 2020

Imidazopyridazine compounds

PFIZER0 citations51
US10077269B2Sep 18, 2018

Imidazopyridazine compounds

PFIZER1 citations51
US10590128B2Mar 17, 2020

6,7,8,9-tetrahydro-5H-pyrido[2,3-d]azepine dopamine D3 ligands

PFIZER0 citations49
US10131669B2Nov 20, 2018

Pyrazolopyrimidine compounds

PFIZER0 citations41

HELAL CHRISTOPHER JOHN

2 patents