ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,193, issued on Dec. 2, was assigned to The University of North Carolina at Chapel Hill (Chapel Hill, N.C.).

"Systems, devices, and methods for multisource volumetric spectral computed tomography" was invented by Otto Z. Zhou (Chapel Hill, N.C.), Jianping Lu (Chapel Hill, N.C.), Christina Inscoe (Holly Springs, N.C.), Yueh Zenas Lee (Chapel Hill, N.C.) and Boyuan Li (Chapel Hill, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multisource volumetric spectral computed tomography imaging device includes an x-ray source array with multiple spatially distributed x-ray focal spots, an x-ray beam collimator with an array of apertures, each confining t...