Inventor · Shanghai, CN

Jianping Ying

117Patents
12h-index
135Co-inventors
89Inventor score

Filing activity: May 25, 2001 → Apr 17, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7605570B2 Bridgeless PFC converter with low common-mode noise and high power density Emerging Cross-Sectional Technologies 51 Active
US6388897B1 DC-to-DC converter and method for converting direct current to direct current Electricity 43 Expired
US7619323B2 Uninterruptible power supply capable of providing sinusoidal-wave output AC voltage Electricity 42 Active
US7184280B2 LLC series resonant converter and the driving method for the synchronous rectification power switches thereof Emerging Cross-Sectional Technologies 38 Expired
US6534938B1 Method and apparatus for driving a sensorless BLDC motor at PWM operation mode Electricity 27 Expired
US7116087B2 Current sharing method and apparatus for alternately controlling parallel connected boost PFC circuits Emerging Cross-Sectional Technologies 26 Expired
US7005759B2 Integrated converter having three-phase power factor correction Emerging Cross-Sectional Technologies 25 Expired
US6535402B1 Adaptive compensation of dead time for inverter and converter Electricity 18 Expired
US7202623B2 Startup procedure for sensorless brushless DC motor Electricity 17 Expired
US8036000B2 Resonant converter system and controlling method thereof having relatively better efficiency Emerging Cross-Sectional Technologies 16 Active
US7459878B2 Method and circuit for controlling sensorless single-phase BLDCM Electricity 14 Active
US9263939B2 Capacitor discharging circuit and converter Emerging Cross-Sectional Technologies 14 Active
US7009852B2 DC-DC converter circuits and method for reducing DC bus capacitor current Emerging Cross-Sectional Technologies 12 Expired
US7868724B2 Method for suppressing common mode noise Electricity 12 Active
US8040696B2 Resonant converter system having synchronous control circuit and controlling method thereof Emerging Cross-Sectional Technologies 12 Active
US8953347B2 Capacitor discharging circuit and power converter Electricity 12 Active
US8031489B2 Synchronous rectification circuit having burst mode controller and controlling method thereof Emerging Cross-Sectional Technologies 11 Active
US7705705B2 Transformer structure Electricity 11 Active
US8842448B2 Parallel-connected resonant converter circuit and controlling method thereof Emerging Cross-Sectional Technologies 11 Active
US8536735B2 Converter with input voltage balance circuit Emerging Cross-Sectional Technologies 10 Active
US7839045B2 Permanent magnet rotary structure of electric machine Electricity 8 Active
US11664157B2 Magnetic element and method for manufacturing same Electricity 8 Active
US7061777B2 Input stage circuit of three-level DC/DC converter Electricity 7 Expired
US7184287B2 Rectifier clamping circuit with reverse energy recovery Emerging Cross-Sectional Technologies 6 Expired
US8305779B2 Parallel-connected uninterrupted power supply circuit Emerging Cross-Sectional Technologies 6 Active

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