ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,989, issued on Jan. 27, was assigned to Honda Motor Co. Ltd. (Tokyo).

"Ecu power supply voltage monitoring device and method" was invented by Hiroyuki Yoneyama (Dublin, Ohio) and Yasushi Hori (Dublin, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of monitoring a power supply voltage to an electronic control unit equipped with a vehicle by using a voltage monitoring device, comprising: detecting the power supply voltage to the electronic control unit; comparing the detected power supply voltage with a predetermined threshold value; accumulating an anomaly length of time during which the detected power supply voltage is lower than the p...