Inventor

Norbert J. Pelc

Inventor

Los Altos, CA, US

Overview

1982–2016

Patent span

Physics

Primary field (CPC G)

Patents· 95 as inventor

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

G01Rprimary

G01RMeasuring electric variables29%

A61BDiagnosis19%

G06TImage data processing or generation, in general11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%

G01NInvestigating or analysing materials by determining their chemical or physical properties4%

G21KHandling of particles or ionising radiation not otherwise provided for4%

H05GX-ray technique4%

G01TMeasurement of nuclear or x-radiation3%

H04NPictorial communication, e.g. television3%

G01SRadio direction-finding2%

PatentTitleYear

9,521,982'Computed tomography system with dynamic bowtie filter'2016 9,488,739'Spectral imaging system and method'2016 9,435,900'X-ray system utilizing alternating spectrum x-ray source in conjuction with a fixed spectrum separation filter approval'2016 9,414,792'Computed tomography system with dynamic bowtie filter'2016 9,392,984'Computed tomography system with dynamic bowtie filter'2016 9,196,061'Systems and methods for performing truncation artifact correction'2015 9,125,570'Real-time tomosynthesis guidance for radiation therapy'2015 8,509,380'Inverse geometry volume computed tomography systems'2013 8,331,531'Configurations for integrated MRI-linear accelerators'2012 8,194,820'Optimal weights for measuring spectral x-ray data'2012 7,860,210'Data normalization in inverse geometry computed tomography system'2010 7,778,386'Methods for analytic reconstruction for mult-source inverse geometry CT'2010 7,734,004'Gain correction for a CT system'2010 7,701,215'MR compatible rotating anode x-ray tube'2010 7,508,211'Regularized species separation'2009 7,496,181'X-ray collimator for imaging with multiple sources and detectors'2009 7,486,073'Sliding window reconstruction and phase/field map updating for dynamic chemical shift imaging'2009 7,394,254'Magnetic resonance imaging having radiation compatible radiofrequency coils'2008 7,388,940'Architectures for cardiac CT based on area x-ray sources'2008 7,349,729'Magnetic resonance imaging of different chemical species in a system having magnetic field heterogeneities'2008 7,202,662'Correction of the effect of gradient field non-linearities in phase contrast MRI'2007 7,145,981'Volumetric computed tomography (VCT)'2006 7,103,138'Sampling in volumetric computed tomography'2006 7,072,436'Volumetric computed tomography (VCT)'2006 7,062,006'Computed tomography with increased field of view'2006 6,976,953'Maintaining the alignment of electric and magnetic fields in an x-ray tube operated in a magnetic field'2005 6,975,895'Modified X-ray tube for use in the presence of magnetic fields'2005 6,969,991'Correction of the effect of spatial gradient field distortions in diffusion-weighted imaging'2005 6,856,134'Magnetic resonance imaging with fat-water signal separation'2005 6,812,700'Correction of local field inhomogeneity in magnetic resonance imaging apparatus'2004 6,810,110'X-ray tube for operating in a magnetic field'2004 6,806,709'Flow imaging using balanced phase contrast steady state free precession magnetic resonance imaging'2004 6,784,664'Fast method for dynamic MR imaging'2004 6,445,181'MRI method apparatus for imaging a field of view which is larger than a magnetic field'2002 6,353,752'Reduced field-of-view method for cine magnetic resonance imaging'2002 6,236,738'Spatiotemporal finite element method for motion analysis with velocity data'2001 6,185,447'Method for temporally resolved, three-dimensional MR volume acquisitions'2001 6,144,873'Method of efficient data encoding in dynamic magnetic resonance imaging'2000 6,066,949'Gradient characterization using fourier-transform'2000 5,998,996'Correction of artifacts caused by Maxwell terms in phase contrast angiography'1999 5,697,370'Method for increasing temporal resolution of MR fluoroscopy'1997 5,680,862'Iterative method of determining trajectory of a moving region in a moving material using velocity measurements in a fixed frame of reference'1997 5,653,233'Method and apparatus for improved temporal resolution in dynamic MRI'1997 5,615,677'MRI tracking of cyclical motion by fourier integration of velocity'1997 5,559,847'Systems, methods and apparatus for reconstructing images in a CT system implementing a helical scan'1996 5,533,080'Reduced field-of-view CT system for imaging compact embedded structures'1996 5,525,906'Detection and elimination of wide bandwidth noise in MRI signals'1996 5,485,492'Reduced field-of-view CT system for imaging compact embedded structures'1996 5,469,486'Projection domain reconstruction method for helical scanning computed tomography apparatus with multi-column detector array employing overlapping beams'1995 5,430,783'Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array employing overlapping beams'1995 5,430,785'Detector channel gain calibration using focal spot wobble'1995 5,402,067'Apparatus and method for rare echo imaging using k-space spiral coverage'1995 5,399,970'Phase-contrast MRI using phased-array multicoil'1995 5,318,026'Method and apparatus for tracking of deformable regions by phase contrast MRI'1994 5,309,100'Flow measurement of incompressible fluid using divergence-free constraint'1994 5,299,248'Reduced field-of-view system for imaging compact embedded structures'1994 5,257,625'Method of noninvasive motion analysis by using forced closure of phase contrast MRI maps of velocity'1993 5,257,626'Method of noninvasive myocardial motion analysis using bidirectional motion intergration in phase contrast MRI maps of myocardial velocity'1993 5,253,282'System for selective material imaging'1993 5,226,418'Phase correction of complex - difference processed magnetic resonance angiograms'1993 5,195,525'Noninvasive myocardial motion analysis using phase contrast MRI maps of myocardial velocity'1993 5,101,156'Rapid flow measurement using an NMR imaging system'1992 5,093,620'Encoding for NMR phase contrast flow measurement'1992 5,051,903'Method and apparatus for predicting values of a varying periodic phenomenon'1991 5,005,419'Method and apparatus for coherent imaging system'1991 4,994,965'Method for reducing motion induced image artifacts in projection imaging'1991 4,992,736'Radio frequency receiver for a NMR instrument'1991 4,969,174'Scanning mammography system with reduced scatter radiation'1990 4,952,876'Variable bandwidth multiecho NMR imaging'1990 4,952,877'RF synthesizer or an NMR instrument'1990 4,950,994'Gradient and polarizing field compensation'1990 4,896,113'Use of repeated gradient echoes for noise reduction and improved NMR imaging'1990 4,751,462'Method for acquiring NMR data which is subject to periodic variations'1988 4,720,678'Apparatus and method for evenly distributing events over a periodic phenomenon'1988 4,710,717'Method for fast scan cine NMR imaging'1987 4,706,026'Method for reducing image artifacts due to periodic signal variations in NMR imaging'1987 4,698,591'Method for magnetic field gradient eddy current compensation'1987 4,665,365'Method for reversing residual transverse magnetization due to phase-encoding magnetic field gradients'1987 4,663,591'Method for reducing image artifacts due to periodic signal variations in NMR imaging'1987 4,653,013'Altering spatial characteristics of a digital image'1987 4,633,398'Attenuation compensated emission reconstruction with simultaneous attenuation factor evaluation'1986 4,612,504'Method for removing the effects of baseline error components in NMR imaging applications'1986 4,603,428'Film-based dual energy radiography'1986 4,591,789'Method for correcting image distortion due to gradient nonuniformity'1986 4,590,558'Method and apparatus for removing objects from CT images'1986 4,581,581'Method of projection reconstruction imaging with reduced sensitivity to motion-related artifacts'1986 4,580,219'Method for reducing image artifacts due to projection measurement inconsistencies'1986 4,554,633'Sampled data CT system including analog filter and compensating digital filter'1985 4,550,371'Method and apparatus for compensating CT images for truncated projections'1985 4,526,862'Film-based dual energy radiography'1985 4,515,163'Method and a means for determining ultrasonic wave attenuation in tissue using zero crossing detector functioning within a specified frequency band'1985 4,513,078'Film-based dual energy radiography'1985 4,504,908'Matched filter for X-ray temporal subtraction'1985 4,452,085'Method and means for generating time gain compensation control signal for use in ultrasonic scanner and the like'1984 4,361,901'Multiple voltage x-ray switching system'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–2015Patents assigned to GEN ELECTRIC (46)· patent assignee history

1982–1991Based in Wauwatosa, WI, US· patent location history

1984Based in Waukesha, WI, US· patent location history

1985Based in Milwaukee, WI, US· patent location history

1992–2016Based in Los Altos, CA, US· patent location history

1993–2016Patents assigned to UNIV LELAND STANFORD JUNIOR (47)· patent assignee history

1993–2016Patents assigned to PELC NORBERT J (5)· patent assignee history

1993–1996Patents assigned to LUNAR CORP (3)· patent assignee history

2012–2015Patents assigned to FAHRIG REBECCA (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNIV LELAND STANFORD JUNIOR	47	1993–2016
GEN ELECTRIC	46	1982–2015
PELC NORBERT Jself	5	1993–2016
LUNAR CORP	3	1993–1996
FAHRIG REBECCA	2	2012–2015

Locations

Location	Patents	Span
Los Altos, California, US	63	1992–2016
Wauwatosa, WI, US	30	1982–1991
Milwaukee, WI, US	1	1985
Waukesha, WI, US	1	1984