ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,044, issued on May 5, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Communication system, control apparatus, relay station, and communication method" was invented by Kenichi Takizawa (Koganei, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A communication system includes a first communication station, a second communication station, a relay station to non-regenerative-relay communications between the first communication station and the second communication station, and a control apparatus. The relay station relay-transmits a relay wave with a relay power value of such a limit as to fulfill a second condition when a transmission wave bein...