ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,986, issued on Aug. 12, was assigned to FUJI ELECTRIC Co. LTD. (Kawasaki, Japan).
"Semiconductor device" was invented by Naohiko Jozuka (Nagano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor device, including a semiconductor element; a case having a frame portion, which has an inner periphery that surrounds a housing space for accommodating the semiconductor element; and a lid covering the housing space. The inner periphery of the frame portion has a stepped portion formed thereon, the stepped portion including a step supporting surface positioned at a level lower than a front surface of the frame portion and being approximate...