ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,804, issued on Feb. 24, was assigned to SONY GROUP Corp. (Tokyo).

"Mobile body" was invented by Yasuhisa Kamikawa (Tokyo), Yasunori Kawanami (Tokyo) and Eisuke Ohshima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a mobile body including a mobile body main body, a movable unit that is attached to the mobile body main body and provides propulsive force to the mobile body main body, and a buffer attached to a surface of the mobile body main body. The buffer includes a deep layer material that covers the surface of the mobile body main body, and a surface layer material provided at a position more distant from the surface of t...