US Patent Issued to Mitsubishi Electric on March 18 for "Power conversion device that converts electric power between DC circuit and AC circuit" (Japanese Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,546, issued on March 18, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Power conversion device that converts electric power between DC circuit and AC circuit" was invented by Katsuya Ota (Tokyo) and Shigeo Hayashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power conversion device that converts electric power between a DC circuit and an AC circuit includes a leg circuit including a plurality of sub modules connected in series. A first sub module of the plurality of sub modules includes a first energy accumulation element, a first semiconductor circuit including two switching elements connected in series, and a second semiconductor...