ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,994, issued on Oct. 21, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Playback data creation device" was invented by Takaaki Nishida (Wako, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A travel trajectory of a working machine that has traveled a working route from a start to a goal by manual operation is acquired as a teaching trajectory. A control parameter related to a speed of the working machine is acquired on the teaching trajectory. The teaching trajectory from the start to the goal is converted, based on the control parameter, into a playback route for the working machine to autonomously travel, the playback route including two or mo...