Inventor · disambiguated record
Bruce Hopenfeld
Also filed as: HOPENFELD BRUCE
26 granted patents·7 pending applications·430 citations·filing 2006–2023
97Inventor score
Files withANGEL MEDICAL SYSTEMS INC10HOPENFELD BRUCE10FISCHELL DAVID R5JOHN MICHAEL SASHA5JOHNSON STEVEN R3
Top patents by PatentIndex Score
33 records- 0195US7991460B2Methods and apparatus for detecting cardiac events based on heart rate sensitive parametersANGEL MEDICAL SYSTEMS INC·Filed 2008·Granted Aug 2, 2011·108 cites·13 claims
- 0292US9375151B1Acute ischemia detection based on parameter value range estimationANGEL MEDICAL SYSTEMS INC·Filed 2015·Granted Jun 28, 2016·14 cites·8 claims
- 0392US9192309B1Acute ischemia detection based on smoothed temporal thresholdingANGEL MEDICAL SYSTEMS INC·Filed 2015·Granted Nov 24, 2015·13 cites·9 claims
- 0489US8428703B2Acute ischemia detection based on parameter value range analysisHOPENFELD BRUCE·Filed 2010·Granted Apr 23, 2013·26 cites·11 claims
- 0588US8396542B2Parameter value rejection for a cardiac monitorJOHNSON STEVEN R·Filed 2010·Granted Mar 12, 2013·25 cites·19 claims
- 0687US8428704B2Threshold adjustment schemes for acute ischemia detectionJOHNSON STEVEN R·Filed 2010·Granted Apr 23, 2013·30 cites·15 claims
- 0786US8838215B2Systems and methods of medical monitoring according to patient stateJOHN MICHAEL SASHA·Filed 2007·Granted Sep 16, 2014·37 cites·16 claims
- 0885US8682422B2Acute ischemia detection based on parameter value range analysisANGEL MEDICAL SYSTEMS INC·Filed 2013·Granted Mar 25, 2014·13 cites·6 claims
- 0985US8406862B2Ischemia detection based on combination of parameters associated with different sensorsHOPENFELD BRUCE·Filed 2010·Granted Mar 26, 2013·25 cites·20 claims
- 1084US8954139B2Acute ischemia detection based on parameter value range analysisANGEL MEDICAL SYSTEMS INC·Filed 2014·Granted Feb 10, 2015·13 cites·3 claims
- 1181US9031644B2Threshold adjustment schemes for acute ischemia detectionANGEL MEDICAL SYSTEMS INC·Filed 2013·Granted May 12, 2015·12 cites·4 claims
- 1280US9174057B1Cardiac event detection based on selective pacing for establishing a paced heart signal parameter baselineANGEL MEDICAL SYSTEMS INC·Filed 2014·Granted Nov 3, 2015·10 cites·15 claims
- 1380US8781566B2System and methods for sliding-scale cardiac event detectionJOHN MICHAEL SASHA·Filed 2008·Granted Jul 15, 2014·21 cites·13 claims
- 1480US8224430B2Baseline processing for a cardiac event detection systemFISCHELL DAVID R·Filed 2009·Granted Jul 17, 2012·20 cites·10 claims
- 1579US8903487B1Pacemaker enabled ischemia detection with selective ischemia testsFISCHELL DAVID R·Filed 2009·Granted Dec 2, 2014·17 cites·16 claims
- 1677US9414757B2Posture dependent time series filtering system and methods for the detection of cardiac eventsANGEL MEDICAL SYSTEMS INC·Filed 2015·Granted Aug 16, 2016·2 cites·5 claims
- 1776US9220428B2Heart rate correction system and methods for the detection of cardiac eventsANGEL MEDICAL SYSTEMS INC·Filed 2015·Granted Dec 29, 2015·2 cites·9 claims
- 1876US8676304B2Ischemia monitoring system for patients having periods of left bundle branch blockFISCHELL DAVID R·Filed 2010·Granted Mar 18, 2014·9 cites·20 claims
- 1976US8275457B1Cardiac monitoring system for paced patients having paced and non-paced ischemia detection thresholdsFISCHELL DAVID R·Filed 2009·Granted Sep 25, 2012·18 cites·24 claims
- 2072US8630702B2System for detection of different types of cardiac eventsFISCHELL DAVID R·Filed 2006·Granted Jan 14, 2014·8 cites·9 claims
- 2165US9402557B2Heart beat detection based on permissible sequence searchingHOPENFELD BRUCE·Filed 2014·Granted Aug 2, 2016·2 cites·11 claims
- 2264US9042969B2Heart rate correction system and methods for the detection of cardiac eventsHOPENFELD BRUCE·Filed 2009·Granted May 26, 2015·2 cites·13 claims
- 2363US12408875B2Adaptive correlation methods for heartbeat detectionHOPENFELD BRUCE·Filed 2023·Granted Sep 9, 2025·0 cites·44 claims
- 2461US9943244B2Waveform feature value averaging system and methods for the detection of cardiac eventsHOPENFELD BRUCE·Filed 2007·Granted Apr 17, 2018·2 cites·7 claims
- 2558US8560055B2System and methods for the selective updating of heart signal parameter time seriesJOHNSON STEVEN R·Filed 2010·Granted Oct 15, 2013·1 cites·11 claims
- 2653US2025090036A1Multichannel Heartbeat Detection by Temporal Pattern SearchHOPENFELD BRUCE·Filed 2021·Application pending·0 cites
- 2753US2008188762A1Systems and methods for cardiac segmentation analysisJOHN MICHAEL SASHA·Filed 2008·Application pending·0 cites
- 2852US9415228B1System for ischemia detection based on adjustable paced beat analysis timingANGEL MEDICAL SYSTEMS INC·Filed 2015·Granted Aug 16, 2016·0 cites·8 claims
- 2949US2009216144A1Hopping methods for the detection of QRS onset and offsetHOPENFELD BRUCE·Filed 2008·Application pending·0 cites
- 3048US2009076404A1System and methods for analyzing QRS curvature to detect cardiac eventsHOPENFELD BRUCE·Filed 2007·Application pending·0 cites
- 3148US2008208069A1System and methods of hierarchical cardiac event detectionJOHN MICHAEL SASHA·Filed 2007·Application pending·0 cites
- 3247US2007213626A1Baseline correction in systems for detecting ischemiaJOHN MICHAEL SASHA·Filed 2006·Application pending·0 cites
- 3346US2009048528A1System and methods for detecting ischemia with a limited extracardiac lead setHOPENFELD BRUCE·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →