ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,552, issued on March 17, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Method and device for relay communication in sidelink" was invented by Gene Back Hahn (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a device for relay communication in a sidelink are disclosed. A transmission terminal operation method comprises the steps of: performing first relay communication with a reception terminal through a first relay terminal; receiving a first message including a relay release indicator from the first relay terminal; setting a connection between a transmission terminal...