ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,787, issued on April 29, was assigned to FUJI ELECTRIC Co. LTD. (Kanagawa, Japan).
"Semiconductor device" was invented by Motoyoshi Kubouchi (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device includes a semiconductor substrate including an active region and an outer peripheral region. The active region includes a transistor portion and a diode portion. The outer peripheral region includes a current sensing unit. A lifetime control region including a lifetime killer is provided from the diode portion to at least a part of the transistor portion. The current sensing unit includes a sense transistor non-irradiation r...