ALEXANDRIA, Va., March 31 -- United States Patent no. 12,588,882, issued on March 31, was assigned to CANON K.K. (Tokyo).

"Energy subtraction processing apparatus, energy subtraction processing method, radiation imaging system, and non-transitory computer-readable storage medium" was invented by Ryuichi Fujimoto (Tokyo), Atsushi Iwashita (Tokyo) and Kosuke Terui (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An information processing apparatus obtains a plurality of results by performing energy subtraction processing for each of a plurality of sets which are sets each formed from a plurality of radiation images corresponding to different radiation energies and in which combinations of radiat...