Inventor · Shanghai, CN

Zhigan Wu

8Patents
5h-index
9Co-inventors
48Inventor score

Filing activity: Sep 28, 2001 → Jan 10, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6534938B1 Method and apparatus for driving a sensorless BLDC motor at PWM operation mode Electricity 27 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
US7459878B2 Method and circuit for controlling sensorless single-phase BLDCM Electricity 14 Active
US7242160B2 Starting method for Hall-less single-phase BLDCM Electricity 5 Expired
US7345440B2 Method for starting single phase BLDCM having asymmetrical air gap Electricity 2 Expired
US7202617B2 Circuit and method for controlling brushless DC motor Electricity 1 Expired
US6781385B2 Apparatus for detecting current direction in bridge circuits and method thereof Physics 0 Expired

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