Inventor

James Marggraff

Inventor
Lafayette, CA, US

Overview

15→
Patents
2003–2016
Patent span
Physics
Primary field (CPC G)

Patents· 15 as inventor

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

G06Fprimary
G06FElectric digital data processing42%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes16%
G06VImage or video recognition or understanding10%
G09BEducational or demonstration appliances10%
H04NPictorial communication, e.g. television10%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body3%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like3%
G11BInformation storage based on relative movement between record carrier and transducer3%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2016Patents assigned to LEAPFROG ENTPR INC (10)· patent assignee history
2003–2016Based in Lafayette, CA, US· patent location history
2010–2016Patents assigned to LIVESCRIBE INC (4)· patent assignee history
2013–2016Patents assigned to EDGECOMB TRACY L (2)· patent assignee history
2013–2016Patents assigned to MARGGRAFF JAMES (2)· patent assignee history
2013Patents assigned to ACOSTA-MIKULASEK GABRIEL (1)· patent assignee history
2016Based in Oakland, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEAPFROG ENTPR INC102003–2016
LIVESCRIBE INC42010–2016
EDGECOMB TRACY L22013–2016
MARGGRAFF JAMESself22013–2016
ACOSTA-MIKULASEK GABRIEL12013
Locations
LocationPatentsSpan
Lafayette, California, US142003–2016
Oakland, California, US12016