US Patent Issued to Yokogawa Electric on April 21 for "Control apparatus, control method, and computer-readable recording medium for automation system" (Japanese, American Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,840, issued on April 21, was assigned to Yokogawa Electric Corp. (Tokyo).

"Control apparatus, control method, and computer-readable recording medium for automation system" was invented by Takeshi Toinaga (Tokyo), Vien Nguyen (Carrollton, Texas), Andrew Keller (Carrollton, Texas) and Yoshitaka Yoshida (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control apparatus transmits a self-signed certificate to a management server, receives a certificate authority signature certificate generated by the management server according to the self-signed certificate, and executes data communication in the control system that executes control of a system ...