ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,799, issued on May 5, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan).

"Gas sensor and method of identifying deviation of reference potential of the same" was invented by Shingo Tanaka (Kasugai, Japan), Yusuke Watanabe (Nagoya, Japan) and Ryo Hashikawa (Gifu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas sensor includes a sensor element and a control device, and detects a specific gas concentration that is a concentration of a specific gas in a measurement-object gas. The sensor element includes an element body including an oxygen-ion-conductive solid electrolyte layer and provided with a measurement-object gas flow portion therein, t...