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Inventor

John Kennedy Barr

Inventor
Tigard, OR, US

Overview

3→
Patents
2009–2013
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G06Tprimary
G06TImage data processing or generation, in general50%
H04NPictorial communication, e.g. television50%
PatentTitleYear
8,345,316'Layered security in digital watermarking'20138,190,901'Layered security in digital watermarking'20127,519,819'Layered security in digital watermarking'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2013Based in Tigard, OR, US· patent location history
2012–2013Patents assigned to BARR JOHN KENNEDY (2)· patent assignee history
2012–2013Patents assigned to BRADLEY BRETT A (2)· patent assignee history
2012–2013Patents assigned to DIGIMARC CORP (2)· patent assignee history
2012–2013Patents assigned to HANNIGAN BRETT T (2)· patent assignee history
2012Patents assigned to ALATTAR ADNAN M (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BARR JOHN KENNEDYself22012–2013
BRADLEY BRETT A22012–2013
DIGIMARC CORP22012–2013
HANNIGAN BRETT T22012–2013
ALATTAR ADNAN M12012
Locations
LocationPatentsSpan
Tigard, OR, US32009–2013