ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,705,475, issued on Aug. 11, was assigned to The Board of Trustees of the Leland Stanford Junior University (Stanford, Calif.).

"Simultaneous measurements of gradients in optical networks" was invented by Shanhui Fan (Stanford, Calif.), Tyler William Hughes (San Diego), David A.B. Miller (Stanford, Calif.), Sunil K. Pai (Stanford, Calif.), Olav Solgaard (Stanford, Calif.) and Ian A.D. Williamson (Palo Alto, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Improved training of optical neural networks is provided. In one example: 1) we choose input and target vectors, we program those into an input vector generator and a measurement unit, respectively...