ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,774, issued on May 27, was assigned to KOMATSU LTD. (Tokyo).

"Excavation information processing device, work machine, excavation support device, and excavation information processing method" was invented by Ryuta Okuwaki (Tokyo) and Kazuhiro Hatake (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An excavation information processing device includes an acquisition unit configured to acquire target object position information indicating an excavation target object by position information of a plurality of points, and an excavation earth amount estimation unit configured to sequentially estimate and output an excavation earth amount acquired by a ...