Inventor · Farvagny-le-Petit, CH

Richard Redl

20Patents
16h-index
14Co-inventors
78Inventor score

Filing activity: Apr 17, 1984 → Jan 26, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6366070B1 Switching voltage regulator with dual modulation control scheme Emerging Cross-Sectional Technologies 242 Expired
USRE39976E1 Multi-phase switching regulator General 211 Expired
US5298797A Gate charge recovery circuit for gate-driven semiconductor devices Electricity 198 Expired
US6229292A Voltage regulator compensation circuit and method Physics 124 Expired
US5677602A High efficiency electronic ballast for high intensity discharge lamps Emerging Cross-Sectional Technologies 122 Expired
US6064187A Voltage regulator compensation circuit and method Physics 93 Expired
US5198969A Soft-switching full-bridge dc/dc converting Electricity 83 Expired
US5335162A Primary side controller for regulated power converters Emerging Cross-Sectional Technologies 75 Expired
US6683441B2 Multi-phase switching regulator Electricity 75 Expired
US4607323A Class E high-frequency high-efficiency dc/dc power converter Electricity 66 Expired
US6958594B2 Switched noise filter circuit for a DC-DC converter Electricity 59 Expired
US4928200A Overcurrent protection for switching mode power converter Electricity 50 Expired
US5734562A Power factor correction circuit Emerging Cross-Sectional Technologies 41 Expired
US5680034A PWM controller for resonant converters Emerging Cross-Sectional Technologies 30 Expired
US6879136B1 Inductor current emulation circuit for switching power supply Electricity 29 Expired
US5315982A High efficiency, high output, compact CD ignition coil Mechanical Engineering; Lighting; Heating 29 Expired
US4719559A Current-mode control of capacitively coupled power converters Electricity 15 Expired
US5387822A Error signal isolator circuit Electricity 7 Expired
US4619281A Umbrella with improved wind-up handle Human Necessities 7 Expired
US6961396B2 Digital banking circuit Electricity 0 Expired

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