ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,900, issued on June 3, was assigned to Yujin Robot Co. Ltd. (Incheon, South Korea) and Miele & Cie. KG (Gutersloh, Germany).

"Apparatus and method for generating dynamic safety zone of mobile robot" was invented by Seong Ju Park (Incheon, South Korea), Dong Hyeon Seo (Incheon, South Korea), Seung Ho Jang (Incheon, South Korea), Min Chang (Incheon, South Korea), Yun Jib Kim (Incheon, South Korea) and Chang Woo Kim (Incheon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A functional safety system of a robot according to an exemplary embodiment of the present disclosure can generate a safety zone which is a zone to sense whether an obstacle...