ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,593, issued on April 14, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Motor control device" was invented by Kazuhito Hayashi (Toyota, Japan), Kohichi Kuriyama (Hashima, Japan) and Kojiro Asakawa (Toyota, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The motor control device includes an inverter that generates a three-phase alternating current for driving the motor, a current command generation unit, a correction value generation unit, a voltage command generation unit, a dq inverse transform unit, and a drive signal generation unit. The current command generation unit generates a d-axis current command value and a q-axis current com...