US Patent Issued to Yokogawa Electric on Sept. 1 for "Device, system, and method for controlling state quantities in plants" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,393, issued on Sept. 1, was assigned to Yokogawa Electric Corp. (Tokyo).

"Device, system, and method for controlling state quantities in plants" was invented by Ryo Kobayashi (Tokyo) and Takeshi Ohno (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device includes a receiving unit, a filtering unit, an abnormality detecting unit, and an output unit. The receiving unit receives an I/O output request that includes an operational output for an I/O output device to operate a plant, and that is transmitted from plural control units through a network. The filtering unit performs filtering in which an I/O output request from a proper control unit ou...