ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,547,138, issued on Feb. 10, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Device management system" was invented by Shun Kato (Tokyo), Hirotoshi Yano (Tokyo) and Masanori Nakata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device management system includes: an air-conditioning apparatus and a server with a storage, a controller. The storage stores a first identifier unique to the air-conditioning apparatus and a second identifier different from the first identifier and uniquely identifying the air-conditioning apparatus in communication with the server. The controller receives the second identifier and a third identifier changed from th...