ALEXANDRIA, Va., July 3 -- United States Patent no. 12,348,127, issued on July 1, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Power conversion device" was invented by Takuya Kajiyama (Tokyo), Toshiyuki Fujii (Tokyo), Shuhei Fujiwara (Tokyo), Yoshiyuki Kono (Tokyo) and Ryosuke Uda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion device includes a power converter connected between a multi-phase alternating-current circuit and a direct-current circuit, and a control device to control the power converter. The control device detects an unbalanced component indicating a voltage unbalanced component or a current unbalanced component of the alternating-current circuit and limits a mag...