Inventor · Baltimore, MD, US

Ronald D. Berger

40Patents
23h-index
28Co-inventors
85Inventor score

Filing activity: Aug 18, 1986 → Nov 15, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6390996B1 CPR chest compression monitor Physics 392 Expired
US6701176B1 Magnetic-resonance-guided imaging, electrophysiology, and ablation Physics 333 Expired
US6827695B2 Method of determining depth of compressions during cardio-pulmonary resuscitation Emerging Cross-Sectional Technologies 294 Expired
US7155271B2 System and method for magnetic-resonance-guided electrophysiologic and ablation procedures Physics 206 Expired
US7822460B2 MRI-guided therapy methods and related systems Physics 149 Active
US5551426A Intracardiac ablation and mapping catheter Chemistry; Metallurgy 138 Expired
US7122014B2 Method of determining depth of chest compressions during CPR Emerging Cross-Sectional Technologies 136 Expired
US5560368A Methodology for automated QT variability measurement Human Necessities 133 Expired
US7108665B2 CPR chest compression monitor Physics 132 Expired
US6633780B1 Cardiac shock electrode system and corresponding implantable defibrillator system Human Necessities 124 Expired
US6865413B2 ECG signal processor and method Physics 124 Expired
US7118542B2 Devices for determining depth of chest compressions during CPR Emerging Cross-Sectional Technologies 121 Expired
US7476206B2 System for estimating the actual ECG of a patient during CPR Emerging Cross-Sectional Technologies 120 Expired
US7074199B2 CPR chest compression monitor and method of use Physics 111 Expired
US7844319B2 Systems and methods for magnetic-resonance-guided interventional procedures Human Necessities 108 Active
US7295871B2 ECG signal processor and method Physics 107 Expired
US7137395B2 Circumferential pulmonary vein ablation using a laser and fiberoptic balloon catheter Human Necessities 95 Expired
US4777960A Method and apparatus for the assessment of autonomic response by broad-band excitation Emerging Cross-Sectional Technologies 82 Expired
US4930517A Method and apparatus for physiologic system identification Human Necessities 74 Expired
US7069070B2 Statistical method for assessing autonomic balance Human Necessities 69 Expired
US7429250B2 CPR chest compression monitor and method of use Physics 44 Active
US8123742B2 Catheter and method for ablation of atrial tissue Human Necessities 29 Active
US7412276B2 Brain therapy Physics 29 Expired
US8096962B2 Method of determining depth of chest compressions during CPR Emerging Cross-Sectional Technologies 20 Active
US7499744B2 Statistical method for assessing autonomic balance Human Necessities 11 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.