ALEXANDRIA, Va., June 25 -- United States Patent no. 12,342,608, issued on June 24, was assigned to FUJI ELECTRIC Co. LTD. (Kanagawa, Japan).

"Semiconductor device" was invented by Yuichi Harada (Matsumoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a semiconductor device comprising a semiconductor substrate that includes a transistor region; an emitter electrode that is provided on the semiconductor substrate; a first dummy trench portion that is provided on the transistor region of the semiconductor substrate and includes a dummy conducting portion that is electrically connected to the emitter electrode; and a first contact portion that is a partial region of the transistor region, pr...