Inventor · North Tonawanda, NY, US

Robert Shawn Johnson

41Patents
17h-index
33Co-inventors
73Inventor score

Filing activity: Mar 19, 2009 → Sep 14, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US8145324B1 Implantable lead bandstop filter employing an inductive coil with parasitic capacitance to enhance MRI compatibility of active medical devices Electricity 110 Active
US7957806B2 Shielded three-terminal flat-through EMI/energy dissipating filter Electricity 77 Active
US8195295B2 Shielded three-terminal flat-through EMI/energy dissipating filter Electricity 34 Active
US10092749B2 Low equivalent series resistance RF filter for an AIMD Electricity 32 Active
US8433410B2 Shielded three-terminal flat-through EMI/energy dissipating filter Electricity 32 Active
US8868189B2 Internally grounded flat through filter with hermetically sealed insulative body with internal ground plates Electricity 29 Active
US8447414B2 Switched safety protection circuit for an AIMD system during exposure to high power electromagnetic fields Electricity 26 Active
US8855768B1 Capacitor for an active implantable medical device (AIMD) for handling high RF power induced in an implanted lead from an external RF field Electricity 26 Active
US8000801B2 System for terminating abandoned implanted leads to minimize heating in high power electromagnetic field environments Human Necessities 25 Active
US8260435B2 Implantable lead for an active medical device having an inductor design minimizing eddy current losses Electricity 25 Active
US10183162B2 Coiled, closed-loop RF current attenuator configured to be placed about an implantable lead conductor Electricity 25 Active
US7920916B2 Capacitor and inductor elements physically disposed in series whose lumped parameters are electrically connected in parallel to form a bandstop filter Electricity 24 Active
US7966075B2 Switched diverter circuits for minimizing heating of an implanted lead in a high power electromagnetic field environment Physics 23 Active
US8712544B2 Electromagnetic shield for a passive electronic component in an active medical device implantable lead Electricity 22 Active
US9757558B2 RF filter for an active medical device (AMD) for handling high RF power induced in an associated implanted lead from an external RF field Electricity 18 Active
US9014808B2 RF filter for an active medical device (AMD) for handling high RF power induced in an associated implanted lead from an external RF field Electricity 17 Active
US8200342B2 Methodology and apparatus to terminate abandoned active implantable medical device leads Human Necessities 17 Active
US8175700B2 Capacitor and inductor elements physically disposed in series whose lumped parameters are electrically connected in parallel to form a bandstop filter Electricity 16 Active
US9764129B2 RF filter on a circuit board for an active medical device (AMD) for handling high RF power induced in an associated implanted lead from an external RF field Electricity 15 Active
US8437865B2 Shielded network for an active medical device implantable lead Electricity 14 Active
US8751013B2 Switched diverter circuits for minimizing heating of an implanted lead and/or providing EMI protection in a high power electromagnetic field environment Electricity 13 Active
US9061132B1 Positioning of a medical device conductor in an MRI environment to reduce RF induced current Physics 12 Active
US8108042B1 Capacitor and inductor elements physically disposed in series whose lumped parameters are electrically connected in parallel to form a bandstop filter Electricity 12 Active
US8457760B2 Switched diverter circuits for minimizing heating of an implanted lead and/or providing EMI protection in a high power electromagnetic field environment Electricity 11 Active
US8670841B2 Implantable lead having a shielded bandstop filter comprising a self-resonant inductor for an active medical device Electricity 10 Active

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