ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,722,501, issued on Sept. 1, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Limiting velocity on a mobile body with swivel casters" was invented by Taiki Iimura (Saitama, Japan), Kazumasa Ozaki (Saitama, Japan), Hiroshi Iwakami (Saitama, Japan) and Shinichiro Kobashi (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A mobile body includes: left and right driving wheels provided on a main body; a drive unit for driving each of the driving wheels; left and right swivel casters; and a controller for controlling the drive unit. The controller includes: an estimation unit for estimating a front-rear distance between a ground contact position of t...