Inventor · Tokyo, JP

Chiaki Fujimoto

31Patents
11h-index
31Co-inventors
75Inventor score

Filing activity: May 10, 1995 → Jul 23, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6687590B2 Electric power steering apparatus Performing Operations; Transporting 33 Expired
US5754967A Torque detection apparatus for controlling a vehicle Performing Operations; Transporting 21 Expired
US5952564A Anti-lock brake control system for motor vehicle with facility for discriminating vibrations of driving wheels thereof Performing Operations; Transporting 19 Expired
US6577957B2 Apparatus and method for detecting abnormality in a position detection device Electricity 18 Expired
US5657229A Anti-skid control system with torsion torque correction Emerging Cross-Sectional Technologies 17 Expired
US6736236B2 Electric power steering controller Performing Operations; Transporting 16 Expired
US6615152B2 Abnormality detecting method and device for position detecting device, and electric power steering device Performing Operations; Transporting 14 Expired
US7459879B2 Motor controller Electricity 14 Expired
US8232752B2 Electric motor control apparatus Electricity 14 Active
US6854559B2 Electric power steering controller Performing Operations; Transporting 13 Expired
US5913576A Anti-lock brake control system for motor vehicle and brake force control method therefor Performing Operations; Transporting 12 Expired
US6992448B2 Motor control apparatus Emerging Cross-Sectional Technologies 11 Expired
US6522097B2 Position detecting apparatus and abnormality detecting apparatus Electricity 11 Expired
US7203583B2 Electric power steering unit Performing Operations; Transporting 10 Expired
US7990093B2 Electric motor control apparatus Electricity 10 Active
US6050655A Antiskid brake controller Performing Operations; Transporting 7 Expired
US5964509A Anti-lock brake control system for motor vehicle and brake force control method thereof Performing Operations; Transporting 6 Expired
US7828112B2 Electric power steering device Performing Operations; Transporting 5 Active
US5992951A Anti-lock brake control system for motor vehicle Performing Operations; Transporting 4 Expired
US7128185B2 Motor-driven power steering control apparatus Performing Operations; Transporting 3 Expired
US7128184B2 Motor-driven power steering control apparatus Performing Operations; Transporting 2 Expired
US8478485B2 Electric power steering apparatus Performing Operations; Transporting 1 Active
US10322747B2 Control device for a vehicle and vehicle control method Physics 1 Active
US12413140B2 Power converter and control method for power converter Electricity 0 Active
US9065364B2 Motor control device Electricity 0 Active

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