Inventor · Calabasas, CA, US

Robert Ozawa

34Patents
17h-index
22Co-inventors
81Inventor score

Filing activity: Apr 28, 1994 → Jul 11, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US7428438B2 Systems and methods for providing power to a battery in an implantable stimulator Electricity 161 Active
US8386048B2 Systems and methods for communicating with or providing power to an implantable stimulator Electricity 136 Active
US8214042B2 Techniques for controlling charging of batteries in an external charger and an implantable medical device Electricity 105 Active
US8185212B2 Chair pad charging and communication system for a battery-powered microstimulator Emerging Cross-Sectional Technologies 95 Active
US8644933B2 Techniques for controlling charging of batteries in an external charger and an implantable medical device Electricity 87 Active
US8543216B2 Charging and communication system for a battery-powered microstimulator Emerging Cross-Sectional Technologies 47 Active
US9030159B2 Inductive charger with magnetic shielding Electricity 30 Active
US9393433B2 Battery management for an implantable medical device Human Necessities 28 Active
US9339660B2 Implantable medical device with one or more magnetic field sensors to assist with external charger alignment Human Necessities 27 Active
US9327135B2 External device for determining an optimal implantable medical device for a patient using information determined during an external trial stimulation phase Human Necessities 27 Active
US9037241B2 Power architecture for an implantable medical device having a non-rechargeable battery Human Necessities 26 Active
US9855438B2 Battery management for an implantable medical device Human Necessities 26 Active
US9265957B2 Implantable medical device and charging system employing electric fields Electricity 24 Active
US9314642B2 Closed loop charger for an implantable medical device system employing reflected impedance modulation Human Necessities 22 Active
US8744592B2 Efficient external charger for an implantable medical device optimized for fast charging and constrained by an implant power dissipation limit Human Necessities 20 Active
US8666504B2 Communication and charging circuitry for a single-coil implantable medical device Electricity 18 Active
US8676318B2 Efficient external charger for charging a plurality of implantable medical devices Human Necessities 17 Active
US9636508B2 Inductive charger with magnetic shielding Electricity 14 Active
US9446254B2 Charger alignment in an implantable medical device system employing reflected impedance modulation Human Necessities 12 Active
US9044616B2 Charging system for an implantable medical device employing magnetic and electric fields Electricity 12 Active
US9849298B2 Closed loop charger for an implantable medical device system employing reflected impedance modulation Human Necessities 11 Active
US9070507B2 Communication and charging circuitry for a single-coil implantable medical device Electricity 11 Active
US9713718B2 Power supply disconnect current measurement for an implantable medical device Human Necessities 10 Active
US9364673B2 Power supply disconnect current measurement for an implantable medical device Human Necessities 10 Active
US9358399B2 Efficient external charger for an implantable medical device optimized for fast charging and constrained by an implant power dissipation limit Human Necessities 10 Active

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