ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,597, issued on Sept. 1, was assigned to RAKUTEN SYMPHONY INC. (Tokyo) and Rakuten Mobile Inc. (Tokyo).

"Rolling update of network function" was invented by Makoto Ono (Tokyo), Yidao Wang (Tokyo) and Takatsugu Ishikawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An update control apparatus has one or more processors that execute a process including: among a plurality of execution environments in each of which a process related to a communication terminal connected to an update cell is executed by executing software which is an update target, determining the number of execution environments to be stopped on the basis of the number of communi...