ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,853, issued on Dec. 30, was assigned to KOMATSU LTD. (Tokyo).
"Computing device and computing method" was invented by Minoru Shimizu (Tokyo), Shota Yamawaki (Tokyo) and Motoki Koyama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic excavator includes a vehicular body, a boom bottom pin supported by the vehicular body, a boom rotatably coupled to the vehicular body by the boom bottom pin, a boom top pin attached to a tip end of the boom, an arm rotatably coupled to the boom by the boom top pin, an arm top pin attached to a tip end of the arm, and a bucket rotatably coupled to the arm by the arm top pin. The computing device calculate...