ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,058, issued on Nov. 25, was assigned to DENSO Corp. (Kariya, Japan).

"Ultrasonic sensor" was invented by Masayoshi Satake (Nisshin, Japan), Youhei Suzuki (Nisshin, Japan), Kensuke Kobayashi (Nisshin, Japan) and Dai Kondou (Kariya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ultrasonic sensor comprises: an ultrasonic element that converts between an electric signal and ultrasonic vibration; and an element housing case having a bottomed tubular shape and housing the ultrasonic element therein. The element housing case includes a side plate portion having a tubular shape surrounding a directivity central axis, and a bottom plate portion tha...