Inventor · Tempe, AZ, US

Randall C. Gray

50Patents
12h-index
44Co-inventors
84Inventor score

Filing activity: Apr 19, 1979 → Oct 22, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US4975798A Voltage-clamped integrated circuit Electricity 127 Expired
US4931717A Load response control and method Emerging Cross-Sectional Technologies 95 Expired
US4729056A Solenoid driver control circuit with initial boost voltage Electricity 87 Expired
US4885484A Voltage clamped differential to single ended converter circuit Electricity 63 Expired
US4736267A Fault detection circuit Mechanical Engineering; Lighting; Heating 49 Expired
US5371415A Two stage gate drive circuit for a FET Electricity 28 Expired
US5872460A Fast acting FET test circuit with current detection for SIR diagnostics Physics 23 Expired
US4517547A Water-in-fuel sensor circuit and method Physics 21 Expired
US5194760A Slew rate limited inductive load driver Electricity 15 Expired
US6348820B1 High-side, low-side configurable driver Electricity 13 Expired
US7423416B1 Voltage regulator and method for providing a regulated output Physics 13 Active
US4555742A Short detection circuit and method for an electrical load Electricity 12 Expired
US7365584B2 Slew-rate control apparatus and methods for a power transistor to reduce voltage transients during inductive flyback Electricity 12 Active
US4250452A Pressure sensitive transducer circuits Physics 12 Expired
US4460865A Variable temperature coefficient level shifting circuit and method Emerging Cross-Sectional Technologies 12 Expired
US5734317A Current limit controller for an air bag deployment system Performing Operations; Transporting 11 Expired
US5483406A Overvoltage protection circuit Electricity 11 Expired
US4710793A Voltage comparator with hysteresis Electricity 10 Expired
US9160423B2 Die-to-die inductive communication devices and methods Electricity 10 Active
US6690144B1 Open loop inductor current control system and method Physics 8 Expired
US4525638A Zener referenced threshold detector with hysteresis Electricity 8 Expired
US4882531A Integrated circuit voltage regulator and charging system Electricity 6 Expired
US10101395B2 Wetting current diagnostics Electricity 5 Active
US4920308A Regulator for automotive charging systems Emerging Cross-Sectional Technologies 5 Expired
US4961045A Floating output digital to analog converter Electricity 4 Expired

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