Inventor

Grant T. Gullberg

Inventor
Salt Lake City, UT, US

Overview

18→
Patents
1986–2013
Patent span
Physics
Primary field (CPC G)

Patents· 18 as inventor

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

G06Tprimary
G06TImage data processing or generation, in general28%
A61BDiagnosis23%
G01TMeasurement of nuclear or x-radiation21%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
G21KHandling of particles or ionising radiation not otherwise provided for5%
G01RMeasuring electric variables2%
G09BEducational or demonstration appliances2%
PatentTitleYear
8,535,061'Human torso phantom for imaging of heart with realistic modes of cardiac and respiratory motion'20136,539,103'Method and apparatus for image reconstruction using a knowledge set'20036,381,349'Projector/backprojector with slice-to-slice blurring for efficient 3D scatter modeling'20025,861,627'Image reconstruction for compton camera including spherical harmonics'19995,841,141'Image reconstruction from V-projections acquired by Compton camera'19985,565,684'Three-dimensional SPECT reconstruction of combined cone-beam and fan-beam data'19965,559,335'Rotating and warping projector/backprojector for converging-beam geometries'19965,532,490'Displaced center-of-rotation fan-beam tomography for cardiac imaging'19965,481,115'Electronic calibration of single photon emission computed tomography cameras'19965,404,293'Cone beam reconstruction using helical data collection paths'19955,338,936'Simultaneous transmission and emission converging tomography'19945,210,421'Simultaneous transmission and emission converging tomography'19935,170,439'Cone beam reconstruction using combined circle and line orbits'19924,984,159'Method and apparatus for estimating elliptical body contours in fan beam computed tomographic systems'19914,812,983'Method and means of correcting for a shift in the center of rotation of a rotating fan beam CT system'19894,740,753'Magnet shimming using information derived from chemical shift imaging'19884,703,424'Method and means of correcting for a shift in the center of rotation of a rotating fan beam CT system'19874,633,398'Attenuation compensated emission reconstruction with simultaneous attenuation factor evaluation'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–1991Patents assigned to GEN ELECTRIC (5)· patent assignee history
1986–1987Based in Waukesha, WI, US· patent location history
1988–2003Based in Salt Lake City, UT, US· patent location history
1992–1994Patents assigned to PICKER INT INC (3)· patent assignee history
1994–2003Patents assigned to UNIV UTAH (10)· patent assignee history
2013Patents assigned to BALAKRISHNAN KARTHIKAYAN (1)· patent assignee history
2013Patents assigned to BOUTCHKO ROSTYSLAV (1)· patent assignee history
2013Based in El Cerrito, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV UTAH101994–2003
GEN ELECTRIC51986–1991
PICKER INT INC31992–1994
BALAKRISHNAN KARTHIKAYAN12013
BOUTCHKO ROSTYSLAV12013
Locations
LocationPatentsSpan
Salt Lake City, UT, US151988–2003
Waukesha, WI, US21986–1987
El Cerrito, California, US12013