ALEXANDRIA, Va., June 12 -- United States Patent no. 12,299,780, issued on May 13, was assigned to CANON MEDICAL SYSTEMS Corp. (Otawara, Japan).

"Methods and systems for reconstructing a positron emission tomography image" was invented by Peng Peng (Vernon Hills, Ill.), Yi Qiang (Vernon Hills, Ill.), Wenyuan Qi (Vernon Hills, Ill.), Xiaoli Li (Vernon Hills, Ill.) and Li Yang (Vernon Hills, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for reconstructing a positron emission tomography (PET) image, comprising processing circuitry configured to extract, from raw data obtained from a PET scanner, energy data and timing data associated with a plurality of annihilation events, the extracted ener...