ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,972, issued on May 20, was assigned to OMRON Corp. (Kyoto, Japan).
"Control system, method, and control device" was invented by Ko Kawai (Kusatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control system that controls access to data in plural devices in communication with each other includes a first device of the plural devices that receives, in a removable manner, a storage medium in which data is storable, and one or more second devices included in the plural devices. Each member of the plural devices and the storage medium includes a storage region that retains a list including relevant information associated with each of the members...