ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,847, issued on July 15, was assigned to Jeisys Medical Inc. (Seoul, South Korea).

"Ultrasonic wave generating cartridge, ultrasonic wave generating device, ultrasonic wave generating handpiece, and method for sensing position of ultrasonic wave generating unit using same" was invented by Kyun Tae Kim (Seoul, South Korea), Hyun Jin Kim (Seoul, South Korea), Dong Hwan Kang (Seoul, South Korea) and Won Ju Yi (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an ultrasonic wave generating cartridge which comprises: a cartridge housing; an ultrasonic wave generating unit which is disposed so as to be able ...