Inventor

Michael D. Lewis

Inventor
Andover, MA, US

Overview

23→
Patents
1985–2017
Patent span
Chemistry
Primary field (CPC C)

Patents· 23 as inventor

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

C07Fprimary
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium13%
A61KPreparations for medical, dental or toiletry purposes11%
C07CAcyclic or carbocyclic compounds9%
C07DHeterocyclic compounds9%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations6%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere6%
G06FElectric digital data processing6%
B64DEquipment for fitting in or to aircraft4%
B64UUnmanned aerial vehicles [uav]4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1991Patents assigned to MERCK & CO INC (3)· patent assignee history
1990–1991Based in Rahway, NJ, US· patent location history
1998–2004Patents assigned to EISAI CO LTD (7)· patent assignee history
1998–2009Based in Andover, MA, US· patent location history
1999–2001Patents assigned to WESCAM INC (2)· patent assignee history
1999–2017Based in Burlington, CA· patent location history
2008–2015Patents assigned to LEWIS MICHAEL (2)· patent assignee history
2009Based in Snohomish, WA, US· patent location history
2010–2015Based in London, GB· patent location history
2016–2017Patents assigned to PV LABS INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EISAI CO LTD71998–2004
MERCK & CO INC31990–1991
LEWIS MICHAELself22008–2015
PV LABS INC22016–2017
WESCAM INC21999–2001
Locations
LocationPatentsSpan
Andover, Massachusetts, US81998–2009
Burlington, CA41999–2017
Rahway, New Jersey, US31990–1991
London, GB22010–2015
Snohomish, Washington, US12009