ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,782,966, issued on Nov. 3, was assigned to Yanmar Holdings Co. Ltd. (Osaka, Japan).

"Work management method, work management program, and work management system" was invented by Naoto Okamoto (Okayama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acquisition processing unit acquires work history information on work performed by a work vehicle in each of a plurality of fields, and movement history information on movement performed by the work vehicle on one or more roads that connect the plurality of fields. An output processing unit outputs, based on the work history information and the movement history information, an estimated required time ...