ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,815, issued on Dec. 23, was assigned to CANON K.K. (Tokyo).

"Management system capable of realizing smooth interactive communication in virtual space, control method, and storage medium" was invented by Kohei Shogome (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A management system that provides virtual space contents in which a plurality of users can participate. Information on a line of sight of each user in a virtual space, who participates in the virtual space contents, is acquired. Information on a speech of each user in the virtual space, who participates in the virtual space contents, is acquired. A conversation status betwe...