ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,895, issued on Jan. 13, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Power conversion device" was invented by Takuya Kajiyama (Tokyo), Toshiyuki Fujii (Tokyo), Shuhei Fujiwara (Tokyo) and Kazuyori Tahata (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a power conversion device, each of a plurality of converter cells includes a pair of input/output terminals, a plurality of switching elements, and a power storage element electrically connected to the input/output terminals through the switching elements. A current-limiting resistor is connected to a path of AC output current of the power converter. A bypass switch is connected in para...