ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,539, issued on Sept. 23, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Position management server, radio communication system, control circuit, storage medium, and mobile object position managing method" was invented by Fumihiro Hasegawa (Tokyo) and Masao Oga (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A position management server being a first position management server in a radio communication system that includes the first position management server to hold first position information indicating a position of a mobile object measured by a first method, and a second position management server to hold second position information ind...