Inventor · disambiguated record
David N. Roundhill
Also filed as: ROUNDHILL DAVID · ROUNDHILL DAVID N · ROUNDHILL DAVID NIGEL
45 granted patents·5 pending applications·3,412 citations·filing 1991–2022
99Inventor score
Files withKONINKL PHILIPS ELECTRONICS NV14KONINKLIJKE PHILIPS NV14ATL ULTRASOUND INC9ADVANCED TECH LAB4ROUNDHILL DAVID N4
Top patents by PatentIndex Score
50 records- 0198US6458083B1Ultrasonic harmonic imaging with adaptive image formationKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Oct 1, 2002·348 cites·25 claims
- 0298US6283919B1Ultrasonic diagnostic imaging with blended tissue harmonic signalsATL ULTRASOUND INC·Filed 1999·Granted Sep 4, 2001·349 cites·41 claims
- 0397US6623432B2Ultrasonic diagnostic imaging transducer with hexagonal patchesKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Sep 23, 2003·371 cites·23 claims
- 0496US6695783B2Multiline ultrasound beamformersKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Feb 24, 2004·125 cites·33 claims
- 0594US5879303AUltrasonic diagnostic imaging of response frequency differing from transmit frequencyATL ULTRASOUND·Filed 1997·Granted Mar 9, 1999·280 cites·20 claims
- 0692US6468216B1Ultrasonic diagnostic imaging of the coronary arteriesKININKLIJKE PHILIPS ELECTRONIC·Filed 2000·Granted Oct 22, 2002·115 cites·18 claims
- 0791US6251074B1Ultrasonic tissue harmonic imagingATL ULTRASOUND INC·Filed 1999·Granted Jun 26, 2001·157 cites·44 claims
- 0889US6582367B12D ultrasonic transducer array for two dimensional and three dimensional imagingKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Jun 24, 2003·83 cites·36 claims
- 0989US6537221B2Strain rate analysis in ultrasonic diagnostic imagesKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Mar 25, 2003·82 cites·28 claims
- 1087US5938607AUltrasonic diagnostic imaging system with access to reference image libraryATL ULTRASOUND INC·Filed 1997·Granted Aug 17, 1999·113 cites·34 claims
- 1185US6491636B2Automated border detection in ultrasonic diagnostic imagesKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Dec 10, 2002·209 cites·37 claims
- 1282US6447453B1Analysis of cardiac performance using ultrasonic diagnostic imagesKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Sep 10, 2002·134 cites·35 claims
- 1381US6050942ADigital scanline signal processor for an ultrasonic diagnostic imaging systemATL ULTRASOUND·Filed 1997·Granted Apr 18, 2000·95 cites·20 claims
- 1479US6516215B1Diagnostic ultrasound imaging system having display configured to optimally display ultrasound imagesATL ULTRASOUND INC·Filed 2000·Granted Feb 4, 2003·21 cites·29 claims
- 1576US5471989AUltrasonic diagnostic imaging with enhanced zoomADVANCED TECH LAB·Filed 1994·Granted Dec 5, 1995·57 cites·13 claims
- 1674US6139501ACoincident tissue and motion ultrasonic diagnostic imagingATL ULTRASOUND INC·Filed 1999·Granted Oct 31, 2000·69 cites·21 claims
- 1773US5897498AUltrasonic diagnostic imaging system with electronic message communications capabilityATL ULTRASOUND INC·Filed 1997·Granted Apr 27, 1999·260 cites·23 claims
- 1869US10376241B2Imaging systems and methods for positioning a 3D ultrasound volume in a desired orientationKONINKLIJKE PHILIPS NV·Filed 2015·Granted Aug 13, 2019·1 cites·15 claims
- 1969US6602194B2Dual beamformer ultrasound system for 2D and 3D imagingKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Aug 5, 2003·44 cites·21 claims
- 2069US5908389AUltrasonic diagnostic imaging of harmonic frequencies with speckle reduction processingATL ULTRASOUND INC·Filed 1998·Granted Jun 1, 1999·55 cites·26 claims
- 2168US11341634B2Fetal ultrasound image processingKONINKLIJKE PHILIPS NV·Filed 2018·Granted May 24, 2022·1 cites·14 claims
- 2266US6951543B2Automatic setup system and method for ultrasound imaging systemsKONINKL PHILIPS ELECTRONICS NV·Filed 2004·Granted Oct 4, 2005·31 cites·22 claims
- 2366US6558331B1Apparatus and method for harmonic imaging using an array transducer operated in the k31 modeKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted May 6, 2003·18 cites·20 claims
- 2466US6497663B2Ultrasonic diagnostic imaging system with hexagonal scanningKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Dec 24, 2002·22 cites·12 claims
- 2566US5891035AUltrasonic diagnostic imaging system with data access and communications capabilityATL ULTRASOUND INC·Filed 1997·Granted Apr 6, 1999·138 cites·37 claims
- 2664US11403778B2Fetal development monitoringKONINKLIJKE PHILIPS NV·Filed 2018·Granted Aug 2, 2022·1 cites·11 claims
- 2764US5438994AUltrasonic diagnostic image scanningADVANCED TECH LAB·Filed 1994·Granted Aug 8, 1995·33 cites·11 claims
- 2861US8568324B2Systems and methods for mechanical translation of full matrix arrayROUNDHILL DAVID N·Filed 2008·Granted Oct 29, 2013·2 cites·11 claims
- 2961US5482045AUltrasonic diagnostic system gain controlADVANCED TECH LAB·Filed 1994·Granted Jan 9, 1996·91 cites·8 claims
- 3060US6666824B2System and method of dynamic automatic sensing of available dynamic rangeKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Granted Dec 23, 2003·20 cites·24 claims
- 3159US12329580B2Contextual multiplanar reconstruction of three-dimensional ultrasound imaging data and associated devices, systems, and methodsKONINKLIJKE PHILIPS NV·Filed 2021·Granted Jun 17, 2025·0 cites·16 claims
- 3259US11109839B2Imaging systems and methods for positioning a 3D ultrasound volume in a desired orientationKONINKLIJKE PHILIPS NV·Filed 2019·Granted Sep 7, 2021·0 cites·17 claims
- 3355US12277718B2Computer-implemented method for visualization of an elongated anatomical structureKONINKLIJKE PHILIPS NV·Filed 2021·Granted Apr 15, 2025·0 cites·15 claims
- 3455US5109857AUltrasound time domain velocity detection method and apparatusUNIV DUKE·Filed 1991·Granted May 5, 1992·25 cites·30 claims
- 3553US12440182B2Generation of M-mode data for detecting fetal cardiac activityKONINKLIJKE PHILIPS NV·Filed 2022·Granted Oct 14, 2025·0 cites·14 claims
- 3651US2010262008A1Robotic ultrasound system with microadjustment and positioning control using feedback responsive to acquired image dataKONINKL PHILIPS ELECTRONICS NV·Filed 2008·Application pending·0 cites
- 3749US2010041991A1Haptic feedback medical scanning methods and systemsKONINKL PHILIPS ELECTRONICS NV·Filed 2007·Application pending·0 cites
- 3848US12465327B2Guided acquisition of a 3D representation of an anatomical structureKONINKLIJKE PHILIPS NV·Filed 2021·Granted Nov 11, 2025·0 cites·11 claims
- 3948US8094893B2Segmentation tool for identifying flow regions in an image systemROUNDHILL DAVID N·Filed 2003·Granted Jan 10, 2012·7 cites·19 claims
- 4047US12023202B2Methods and systems for acquiring composite 3D ultrasound imagesKONINKLIJKE PHILIPS NV·Filed 2020·Granted Jul 2, 2024·0 cites·20 claims
- 4145US11337677B2Volume rendered ultrasound imagingKONINKLIJKE PHILIPS NV·Filed 2018·Granted May 24, 2022·0 cites·20 claims
- 4245US5617863AUltrasonic diagnostic image scanning techniquesADVANCED TECH LAB·Filed 1995·Granted Apr 8, 1997·20 cites·18 claims
- 4345US2022344034A1Recording ultrasound imagesKONINKLIJKE PHILIPS NV·Filed 2020·Application pending·0 cites
- 4444US11055899B2Systems and methods for generating B-mode images from 3D ultrasound dataKONINKLIJKE PHILIPS NV·Filed 2017·Granted Jul 6, 2021·0 cites·15 claims
- 4543US11684343B2Translation of ultrasound array responsive to anatomical orientationKONINKLIJKE PHILIPS NV·Filed 2015·Granted Jun 27, 2023·0 cites·22 claims
- 4643US8454516B1System and method for three dimensional harmonic ultrasound imagingROUNDHILL DAVID N·Filed 2000·Granted Jun 4, 2013·3 cites·5 claims
- 4743US2020170615A1Ultrasound system with extraction of image planes from volume data using touch interaction with an imageKONINKLIJKE PHILIPS NV·Filed 2018·Application pending·0 cites
- 4842US5993392AVariable compression of ultrasonic image data with depth and lateral scan dimensionsATL ULTRASOUND INC·Filed 1997·Granted Nov 30, 1999·32 cites·29 claims
- 4941USRE44708EUltrasonic diagnostic imaging with blended tissue harmonic signalsROUNDHILL DAVID N·Filed 2007·Granted Jan 14, 2014·0 cites·41 claims
- 5040US2004181154A1Ultrasonic diagnostic imaging devices with fuel cell energy sourceFiled 2004·Application pending·0 cites
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