ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,389,293, issued on Aug. 12, was assigned to KDDI Corp. (Tokyo).

"Enabling a terminal device to perform efficient communication in a stand-by state" was invented by Takeo Ohseki (Fujimino, Japan), Masahito Umehara (Fujimino, Japan), Issei Kanno (Fujimino, Japan) and Yasuhiro Suegara (Fujimino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A terminal comprises a function capable of operating in a plurality of states that include a first state in which a connection with a base station has been established, and a second state in which a connection with a base station has not been established, but the base station holds information regarding the termi...