ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,726,886, issued on Sept. 1, was assigned to Sharp K.K. (Sakai City, Japan).

"Communication system, master station, and communication method" was invented by Katsuya Nakagawa (Sakai City, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication system includes a management server, a plurality of master stations, and a plurality of slave stations, where a first slave station transmitting a search signal identifying a first master station which corresponds to the first slave station, each of the plurality of master stations, when having received the search signal, transmitting a report to the management server, the report including identificati...