ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,334, issued on Jan. 27, was assigned to Murata Machinery Ltd. (Kyoto, Japan).

"Autonomous travel route planning method, autonomous traveling method, and program" was invented by Tsuyoshi Nakano (Kyoto, Japan) and Yuki Denda (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An autonomous travel route planning method includes creating a global map including obstacle information indicating an obstacle existing in a movement environment, setting an outer peripheral boundary corresponding to an outer periphery of a travel area by associating the outer peripheral boundary with the global map, creating a route creation map in which the obstacle ...