Inventor · Hangzhou City, CN

Xiaoru Xu

41Patents
8h-index
15Co-inventors
68Inventor score

Filing activity: Nov 8, 2007 → Jan 27, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US9488680B2 Voltage peak detection circuit and detection method Electricity 29 Active
US8614551B2 SCR dimming circuit and method Emerging Cross-Sectional Technologies 26 Active
US8917528B2 Constant voltage constant current controller and control method thereof Electricity 24 Active
US7615974B1 High dimming ratio LED drive circuit Electricity 14 Active
US7671573B1 Apparatus and method for projected on-time regulator Electricity 10 Active
US9699838B2 Inductor current detection circuit and LED driver Emerging Cross-Sectional Technologies 9 Active
US9413252B2 Transmission voltage loss compensation circuit, compensation method, controlling chip and switching power supply Electricity 8 Active
US9419511B2 Capacitor discharging method and discharging circuit thereof Electricity 8 Active
US9246381B2 Active power factor correction control circuit, chip and LED driving circuit thereof Electricity 8 Active
US8736185B2 SCR dimming circuit and method Emerging Cross-Sectional Technologies 7 Active
US9444321B2 Zero-crossing detection circuit Emerging Cross-Sectional Technologies 7 Active
US9699840B2 High-precision LED control circuit, method and LED driver thereof Emerging Cross-Sectional Technologies 6 Active
US9065331B2 Inductor current detection circuit and LED driver Emerging Cross-Sectional Technologies 5 Active
US9055629B2 SCR dimming circuit and method Emerging Cross-Sectional Technologies 5 Active
US8913404B2 Constant voltage constant current control circuits and methods with improved load regulation Emerging Cross-Sectional Technologies 5 Active
US8754584B2 SCR dimming circuit and method Emerging Cross-Sectional Technologies 4 Active
US8922174B2 Power factor correction circuit with frequency jittering Emerging Cross-Sectional Technologies 4 Active
US9369049B2 Integrated switch mode power supply controller and switch mode power supply using the same Emerging Cross-Sectional Technologies 3 Active
US8854089B2 Power switch driving circuits and power converters thereof Electricity 3 Active
US9167643B2 High-precision LED control circuit, method and LED driver thereof Emerging Cross-Sectional Technologies 2 Active
US10886854B2 Control circuit and related integrated circuit and switching-type converter Electricity 2 Active
US9130468B2 Constant voltage constant current controller and control method thereof Electricity 2 Active
US9837898B2 Peak-value current mode control for power converters Electricity 2 Active
US9525283B2 Output overvoltage protection method and circuit for switching power supply and switching power supply thereof Electricity 2 Active
US9641084B2 Control method and control circuit for switching power supply Electricity 1 Active

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