ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,384, issued on July 29, was assigned to MUTI Inc. (Daejeon, South Korea).

"Multi-focusing device for each ultrasonic depth including micro-machined ultrasonic transducer array and method of operating same" was invented by Kyung Il Cho (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are a multi-focusing device for each ultrasonic depth including a micro-machined ultrasonic transducer array and a method of operating the same. The multi-focusing device includes a micro-machined ultrasonic transducer (MUT) array arranged in an annular form and formed of a plurality of vibration elements that apply a low or high frequency c...