ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,772, issued on Oct. 20, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Coil device and power conversion device" was invented by Hiroyuki Kiyonaga (Tokyo), Kenta Fujii (Tokyo), Takashi Kumagai (Tokyo), Tomohito Fukuda (Tokyo) and Koji Nakajima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coil device includes a core having a loop-shaped magnetic path and a first winding part. The first winding part is wound around the core so as to pass through an inner region of the core surrounded by the core. In the inner region of the core and an outer region of the core, a metal base substrate in which a coil pattern is formed with an insulating l...