ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,660, issued on March 31, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Driving system" was invented by Kota Teramoto (Tokyo), Kenta Kaneko (Tokyo), Yu Hamada (Tokyo), Toshiki Suzuki (Tokyo), Moriyuki Hazeyama (Tokyo), Tetsuya Kojima (Tokyo) and Hisanori Yamasaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The drive system includes a motor, a power converter, and a controller. The motor is a reluctance motor that rotates in response to feeding of electric power. The power converter includes multiple switching elements and is connected directly to the motor. The power converter converts electric power fed from a power source into elec...