Inventor · disambiguated record
Richard L. Ehman
Also filed as: EHMAN RICHARD · EHMAN RICHARD L
47 granted patents·6 pending applications·1,126 citations·filing 1986–2024
98Inventor score
Files withMAYO FOUNDATION23MAYO FOUND MEDICAL EDUCATION & RES12EHMAN RICHARD L7CHEN JUN2EHMAN ERIC C1
Top patents by PatentIndex Score
53 records- 0195US4937526AAdaptive method for reducing motion and flow artifacts in NMR imagesMAYO FOUNDATION·Filed 1989·Granted Jun 26, 1990·114 cites·14 claims
- 0294US5363844ABreath-hold monitor for MR imagingMAYO FOUNDATION·Filed 1993·Granted Nov 15, 1994·108 cites·9 claims
- 0393US8615285B2Passive acoustic driver for magnetic resonance elastographyEHMAN RICHARD L·Filed 2009·Granted Dec 24, 2013·23 cites·9 claims
- 0493US5592085AMR imaging of synchronous spin motion and strain wavesMAYO FOUNDATION·Filed 1994·Granted Jan 7, 1997·85 cites·41 claims
- 0587US5539312ADetection and measurement of motion during NMR imaging using orbital navigator echo signalsMAYO FOUNDATION·Filed 1995·Granted Jul 23, 1996·70 cites·7 claims
- 0686US6037774AInertial driver device for MR elastographyMAYO FOUNDATION·Filed 1998·Granted Mar 14, 2000·66 cites·5 claims
- 0785US7034534B2Pressure activated driver for magnetic resonance elastographyMAYO FOUNDATION·Filed 2004·Granted Apr 25, 2006·42 cites·12 claims
- 0885US6307369B1Autocorrection of 3D MR images for motion artifactsMAYO FOUNDATION·Filed 2000·Granted Oct 23, 2001·32 cites·9 claims
- 0984US10068318B2Enhancing the detectability of objects in medical imagesMAYO FOUND MEDICAL EDUCATION & RES·Filed 2016·Granted Sep 4, 2018·8 cites·18 claims
- 1084US6583624B1Method for visualizing charged particle motion using magnetic resonance imagingMAYO FOUNDATION·Filed 2000·Granted Jun 24, 2003·32 cites·12 claims
- 1183US7307423B2Magnetic resonance elastography using multiple driversMAYO FOUNDATION·Filed 2005·Granted Dec 11, 2007·33 cites·8 claims
- 1283US6647134B1Autocorrection of MR projection imagesMAYO FOUNDATION·Filed 2000·Granted Nov 11, 2003·34 cites·12 claims
- 1382US8508229B2Shear mode pressure-activated driver for magnetic resonance elastographyEHMAN ERIC C·Filed 2010·Granted Aug 13, 2013·10 cites·16 claims
- 1482US8290565B2System and method for cyclic motion encoding for enhanced visualization of slip interfaces with MRIEHMAN RICHARD L·Filed 2009·Granted Oct 16, 2012·11 cites·20 claims
- 1582US5977770AMR imaging of synchronous spin motion and strain wavesMAYO FOUNDATION·Filed 1996·Granted Nov 2, 1999·44 cites·4 claims
- 1680US11543481B2Methods for estimating mechanical properties from magnetic resonance elastography data using artificial neural networksMAYO FOUND MEDICAL EDUCATION & RES·Filed 2018·Granted Jan 3, 2023·2 cites·24 claims
- 1778US4715383AMethod for reducing artifacts in NMR imagesMAYO MEDICAL RESOURCES·Filed 1986·Granted Dec 29, 1987·36 cites·5 claims
- 1877US10139466B2System and method for simultaneous magnetic resonance elastography and water-fat imagingMAYO FOUND MEDICAL EDUCATION & RES·Filed 2016·Granted Nov 27, 2018·2 cites·16 claims
- 1976US12130348B2Continuous three-dimensional imaging for magnetic resonance elastographyMAYO FOUND MEDICAL EDUCATION & RES·Filed 2021·Granted Oct 29, 2024·1 cites·13 claims
- 2075US8281663B2Active acoustic driver for magnetic resonance elastographyEHMAN RICHARD L·Filed 2009·Granted Oct 9, 2012·13 cites·19 claims
- 2175US6879155B2Magnetic resonance acoustographyMAYO FOUNDATION·Filed 2002·Granted Apr 12, 2005·22 cites·20 claims
- 2273US5899858AMR imaging with enhanced sensitivity of specific spin motionMAYO FOUNDATION·Filed 1998·Granted May 4, 1999·36 cites·10 claims
- 2372US6469506B1Autocorrection of MR images acquired using phased-array coilsMAYO FOUNDATION·Filed 2000·Granted Oct 22, 2002·17 cites·4 claims
- 2470US6265874B1Autocorrection of MR images using multiple metricsMAYO FOUNDATION·Filed 2000·Granted Jul 24, 2001·15 cites·11 claims
- 2567US8971602B2Method for magnetic resonance elastography using transient waveformsGLASER KEVIN J·Filed 2012·Granted Mar 3, 2015·7 cites·15 claims
- 2666US6184682B1Correction of MR images for motion artifacts using navigator echoes and autocorrectionMAYO FOUNDATION·Filed 1999·Granted Feb 6, 2001·40 cites·9 claims
- 2763US9149204B2Flexible passive acoustic driver for magnetic resonance elastographyEHMAN RICHARD L·Filed 2012·Granted Oct 6, 2015·2 cites·20 claims
- 2861US4968935ASelective rephasing of NMR signals to suppress motion artifactsMAYO FOUNDATION·Filed 1989·Granted Nov 6, 1990·17 cites·4 claims
- 2960US9562960B2Method for magnetic resonance elastography inversion using a finite medium modelKOLIPAKA ARUNARK·Filed 2009·Granted Feb 7, 2017·4 cites·11 claims
- 3059US9173589B2System and method for inertial magnetic resonance elastography driver for use with interventional medical deviceCHEN JUN·Filed 2012·Granted Nov 3, 2015·2 cites·19 claims
- 3158US8727998B2Portal vein pressure measurement using elastographyYIN MENG·Filed 2008·Granted May 20, 2014·5 cites·22 claims
- 3258US2025035728A1Continuous three-dimensional imaging for magnetic resonance elastographyMAYO FOUND MEDICAL EDUCATION & RES·Filed 2024·Application pending·0 cites
- 3357US7991449B2Imaging elastic properties of the lung with magnetic resonance elastographyMAYO FOUNDATION·Filed 2006·Granted Aug 2, 2011·2 cites·8 claims
- 3454US10080545B2Passive acoustic driver for magnetic resonance elastographyMAYO FOUND MEDICAL EDUCATION & RES·Filed 2013·Granted Sep 25, 2018·0 cites·24 claims
- 3553US11307280B2Methods for correcting motion-encoding gradient nonlinearities in magnetic resonance elastographyMAYO FOUND MEDICAL EDUCATION & RES·Filed 2019·Granted Apr 19, 2022·0 cites·16 claims
- 3652US2025258263A1Multiscale Magnetic Resonance Imaging with Motion Encoding Gradients Based on Basis Functions of an Integral TransformMAYO FOUND MEDICAL EDUCATION & RES·Filed 2023·Application pending·0 cites
- 3751US12019133B2Systems, methods, and media for estimating a mechanical property based on a transformation of magnetic resonance elastography data using a trained artificial neural networkMAYO FOUND MEDICAL EDUCATION & RES·Filed 2021·Granted Jun 25, 2024·0 cites·21 claims
- 3851US9750426B2System and method for assessing response to chemotherapy using magnetic resonance elastographyMCGEE KIARAN P·Filed 2011·Granted Sep 5, 2017·1 cites·9 claims
- 3951US6329819B1Autocorrection of MR images for motion artifactsMAYO FOUNDATION·Filed 1999·Granted Dec 11, 2001·19 cites·12 claims
- 4051US5185574ANMR measurements using recursive RF excitationMAYO FOUNDATION·Filed 1991·Granted Feb 9, 1993·14 cites·13 claims
- 4150US8072216B2Shear wave generation system for medical imagingEHMAN RICHARD L·Filed 2009·Granted Dec 6, 2011·1 cites·19 claims
- 4250US5825186AMethod for producing stiffness-weighted MR imagesMAYO FOUNDATION·Filed 1997·Granted Oct 20, 1998·59 cites·10 claims
- 4347US5952828ADriver device for MR elastographyMAYO FOUNDATION·Filed 1997·Granted Sep 14, 1999·55 cites·19 claims
- 4445US10976396B2Methods for quantifying trabecular reserve using magnetic resonance elastographyMAYO FOUND MEDICAL EDUCATION & RES·Filed 2018·Granted Apr 13, 2021·0 cites·35 claims
- 4545US10132905B2Systems and methods for a magnetic resonance elastography phantomMAYO FOUND MEDICAL EDUCATION & RES·Filed 2017·Granted Nov 20, 2018·0 cites·20 claims
- 4645US5827187ADynamic MR digital subtraction angiography with complex subtractionMAYO FOUNDATION·Filed 1996·Granted Oct 27, 1998·42 cites·7 claims
- 4744US8952693B2Method for principal frequency magnetic resonance elastography inversionLAKE DAVID S·Filed 2012·Granted Feb 10, 2015·0 cites·15 claims
- 4842US2011060210A1Method for assessing the probability of disease development in tissueEHMAN RICHARD L·Filed 2009·Application pending·0 cites
- 4941US2014114177A1System and method for magnetic resonance elastography of the breastCHEN JUN·Filed 2012·Application pending·0 cites
- 5040US9134393B2System and method for improved efficiency in magnetic resonance elastographyFELMLEE JOEL P·Filed 2013·Granted Sep 15, 2015·0 cites·13 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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