ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,794, issued on May 27, was assigned to Shenzhen Mindray Bio-Medical Electronics Co. Ltd. (Shenzhen, China).

"Ultrasonic characterization of non-linear properties of tissue" was invented by Glen W. McLaughlin (San Carlos, Calif.) and Albert Gee (Los Altos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for performing diagnostic sonography. Ultrasound information of a subject region can be collected. The ultrasound information can be based on one or more exponentially swept ultrasound chirp pulses transmitted toward the subject region and backscatter of the subject region from the one or more exponentially swept ultrasound c...