ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,718,786, issued on Aug. 25, was assigned to Seoul National University R&DB foundation (Seoul, South Korea).

"Acoustic matching member, manufacturing method thereof and ultrasound device including the same" was invented by Gihyun Kim (Seoul, South Korea), Jeseung Lee (Gyeonggi-do, South Korea) and Yoon Young Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an acoustic matching member comprising matching pattern to determine an impedance of the acoustic matching member and a phase change of the acoustic matching member defined as the product of a wave number and thickness of the acoustic matching member, which satisfies ...