ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,502, issued on June 10, was assigned to DENSO Corp. (Kariya, Japan).

"Object detection device" was invented by Sakiko Nishino (Nisshin, Japan), Yu Koyama (Nisshin, Japan) and Takuya Nomura (Kariya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object detection device for detecting an object by transmitting and receiving ultrasonic waves, includes a transmitter that transmits an ultrasonic wave, two or more receivers, each of which receives an ultrasonic wave and outputs an reception signal according to the received ultrasonic wave, a comparator that compares the plurality of reception signals output from the two or more receivers and calcu...