ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,742, issued on Feb. 10, was assigned to NGK INSULATORS Ltd. (Nagoya, Japan).
"Gas sensor" was invented by Yusuke Watanabe (Nagoya, Japan) and Daichi Ichikawa (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gas sensor includes a sensor element including an element body, a measurement pump cell including an inner measurement electrode, an adjustment pump cell including an inner adjustment electrode and a reference electrode, a control apparatus that performs an adjustment pump control process of adjusting the oxygen concentration in the oxygen concentration adjustment chamber so that an adjustment voltage reaches an adjustment voltage ...