ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,439, issued on Sept. 15, was assigned to NTT Inc. (Tokyo).

"Maintenance system, design maintenance method, design maintenance serve equipment, and design maintenance program for wireless facility" was invented by Masayoshi Nabeshima (Musashino, Japan) and Tomoaki Ogawa (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a design maintenance system that gives game-like elements to design maintenance work of wireless equipment. A design maintenance tool used by a worker transmits wireless information such as a channel number measured in accordance with the design maintenance work to a design maintenance server. A game executi...