ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,018, issued on Nov. 18, was assigned to NSK STEERING & CONTROL INC. (Tokyo).
"Electric power steering device" was invented by Hideki Sawada (Tokyo), Hidetaka Koinuma (Tokyo) and Takayoshi Sugawara (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric power steering device including: a motor configured to generate a steering assist force; a current command value calculation unit configured to calculate a current command value to control driving current of the motor; a current control unit configured to output a first voltage command value, based on current deviation of a measured value of the driving current to the current command value; ...