ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,448, issued on March 24, was assigned to IHI Corp. (Tokyo).

"Obstacle detection controller of articulated vehicle, operation system of articulated vehicle, and obstacle detection method of articulated vehicle" was invented by Mitsuharu Sonehara (Tokyo), Yoshiharu Kaneshima (Tokyo) and Yoshio Katsuki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An obstacle detection controller of an articulated vehicle is configured to calculate a surrounding area in a turning direction of a towing vehicle and a towed vehicle, calculate a passage prediction area, calculate an area in which the surrounding area and the passage prediction area overlap as a mo...