Inventor

John Kitchin

Inventor
Middlesex, GB

Overview

8→
Patents
1988–2008
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 as inventor

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

C07Dprimary
C07DHeterocyclic compounds33%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations11%
C07CAcyclic or carbocyclic compounds11%
G01RMeasuring electric variables11%
Y02PClimate change mitigation technologies in the production or processing of goods11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
A61KPreparations for medical, dental or toiletry purposes6%
G06FElectric digital data processing6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1989Patents assigned to GLAXO GROUP LTD (2)· patent assignee history
1988Based in Pinner, GB· patent location history
1989Based in Eastcote, GB· patent location history
1999–2008Patents assigned to OSI PHARM INC (2)· patent assignee history
1999–2005Based in Middlesex, GB· patent location history
2003Patents assigned to WARNER LAMBERT CO (1)· patent assignee history
2005Patents assigned to PFIZER (1)· patent assignee history
2006Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (2)· patent assignee history
2006Based in Shrewsbury, MA, US· patent location history
2008Based in Oxford, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GLAXO GROUP LTD21988–1989
HEWLETT PACKARD DEVELOPMENT CO22006
OSI PHARM INC21999–2008
PFIZER12005
WARNER LAMBERT CO12003
Locations
LocationPatentsSpan
Middlesex, GB31999–2005
Shrewsbury, Massachusetts, US22006
Oxford, GB12008
Eastcote, GB11989
Pinner, GB11988