ALEXANDRIA, Va., May 26 -- United States Patent no. 12,639,608, issued on May 26, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Physical media incorporating colour centres for use in quantum systems" was invented by Georgios Chatzidrosos (Cambridge, Great Britain), Foteini Karinou (London), Patrick Neil Anderson (Cambridge, Great Britain), Hitesh Ballani (Cambridge, Great Britain), Anna Mitenkova (London) and Antony Ian Taylor Rowstron (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus comprising a crystal; at least three first wires arranged substantially parallel to each other; at least two second wires arranged substantially parallel to each other...