ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,392, issued on July 22, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Electric-power conversion apparatus" was invented by Toshikazu Takagi (Tokyo) and Chiharu Morisaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric-power conversion apparatus includes a driving circuit that performs switching control of semiconductor switching devices, a short-circuit control means that performs short-circuit control of an electric-power conversion circuit, an excessive-current detection means that detects whether or not an abnormality caused by an excessive current exists in the semiconductor switching device, and a gate-drive-abnormality d...