ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,171, issued on Feb. 24, was assigned to NTT Inc. (Tokyo).

"Optimization function generation apparatus, optimization function generation method, and program" was invented by Kazuhiro Miyahara (Tokyo), Keitaro Horikawa (Tokyo) and Kinya Tomita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a technology for creating an optimization function for solving a scheduling problem for creating a process execution plan such that execution of all processes will be completed by a predetermined time point under constraint conditions regarding the processes and resources required by the processes, the optimization function relating to a variable ...