ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,388, issued on May 20, was assigned to Arizona Board of Regents on Behalf of the University of Arizona (Tucson, Ariz.).

"Method and apparatus for confocal microscopes" was invented by Dongkyun Kang (Tucson, Ariz.) and Nachiket Kulkarni (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and system for chromatic confocal microscopy are described. One example chromatic confocal microscope system includes a hyperchromatic objective lens configured to focus the light of different wavelengths onto different corresponding focal planes that are separated from one another within a sample object, focusing optics positioned to receive multi-...