ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,857, issued on Feb. 17, was assigned to Niterra Co. Ltd. (Nagoya, Japan).
"Sensor apparatus and sensor unit" was invented by Takanori Nunome (Komaki, Japan), Satoshi Teramoto (Nisshin, Japan), Shoichi Hasegawa (Komaki, Japan) and Tomomi Imaida (Nagoya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor control apparatus (1) calculates the concentration of oxygen using a gas sensor (3) including a sensor element (11) and a heater (12). The sensor control apparatus (1) repeatedly obtains internal resistance data representing an internal resistance value Rpvs of an oxygen-ion-conductive solid electrolyte body (14) and pump current data repre...