ALEXANDRIA, Va., April 2 -- United States Patent no. 12,267,876, issued on April 1, was assigned to PANTECH Corp. (Seoul, South Korea).

"Method for transmitting and receiving random access request and transmitting and receiving random access response" was invented by Min Seok Noh (Seoul, South Korea), Yeong Hyeon Kwon (Seoul, South Korea), Jin Sam Kwak (Seoul, South Korea), Dong Cheol Kim (Seoul, South Korea), Sung Ho Moon (Seoul, South Korea), Seung Hee Han (Seoul, South Korea), Hyun Woo Lee (Seoul, South Korea) and Dragan Vujcic (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A base station transmits a random access response in response to a random access request (random access preamble)...