ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,153, issued on March 17, was assigned to DWANGO Co. Ltd. (Tokyo).

"Server system, application program distribution server, viewing terminal, content viewing method, application program, distribution method, and application program distribution method" was invented by Kazuhiko Kusano (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A server system, application program distribution server, viewing terminal, content viewing method, application program, distribution method, and application program distribution method, in a content distribution system and the like. Posted comments can be played together with content, objects in a content play scree...