ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,562, issued on Sept. 29, was assigned to HITACHI CONSTRUCTION MACHINERY Co. LTD. (Tokyo).

"Work machine" was invented by Teppei Saitoh (Tokyo), Ryu Narikawa (Tokyo), Tadashi Nishizawa (Tokyo), Hideaki Itou (Tokyo), Hidefumi Ishimoto (Tokyo) and Kei Satou (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "In a work machine, when on a travel plane S of crawler belts, a straight line passing through a predicted travel point P1 a given distance from the crawler belts and having a maximum climbing angle is assumed to be a first line L1, and a line connecting an installation position of a distance sensor and the predicted travel point P1 is assumed to...