ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,454, issued on March 18, was assigned to JFE STEEL Corp. (Tokyo).

"Corrosion sensor designing method, corrosion sensor manufacturing method, and corrosion sensor" was invented by Masataka Omoda (Tokyo) and Shinji Otsuka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A corrosion sensor is an electric resistance type corrosion sensor including a sensor portion exposed to an arbitrary environment and formed of an electric conductor, and a reference portion isolated from the arbitrary environment and formed of an electric conductor, and measuring a corrosion loss of the sensor portion based on an electric resistance value of the reference portio...