ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,855, issued on Sept. 23, was assigned to Hyundai Motor Co. and (Seoul, South Korea), Kia Corporation, and (Seoul, South Korea) and MOBINN Inc. (Daegu, South Korea).

"Wheeled robot and control method thereof" was invented by Hoon Chung (Hwaseong-si, South Korea), Jin Choi (Seoul, South Korea) and Sun Myoung Jo (Ansan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A robot includes a body, a pair of wheels rotatably provided at a lower part of the body, a cargo box provided at an upper part of the body, an inertial measurement sensor configured to measure a tilt angle of the body, a pair of wheel encoders configured to measure a rotati...