ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,303, issued on July 28, was assigned to University of Maryland (Baltimore), Duke University (Durham, N.C.) and Regents of the University of California (Oakland, Calif.).

"Techniques for detecting in real-time proton beam therapy three dimensional dose delivered" was invented by Lei Ren (Clarksville, Md.), Zhuoran Jiang (Durham, N.C.), Leshan Sun (Irvine, Calif.) and Liangzhong Xiang (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for detecting real-time proton beam dose include retrieving conversion data for converting proton dose to acoustic pressure based on medical imagery. 3D medical imagery is retrieved of a first regi...