ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,645, issued on Nov. 11, was assigned to Murata Machinery Ltd. (Kyoto, Japan).

"Traveling vehicle system and traveling vehicle control method" was invented by Wataru Kitamura (Inuyama, Japan), Eijiro Aoki (Inuyama, Japan) and Toshikazu Nakagawa (Inuyama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A traveling vehicle system includes: a plurality of traveling vehicles; and a controller that is capable of communicating with the plurality of traveling vehicles and that controls the plurality of traveling vehicles, a traveling region of the traveling vehicles having designated therein a plurality of blocking sections each of which undergoes, whe...