ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,701,763, issued on Aug. 4, was assigned to Fujitsu Ltd. (Kawasaki, Japan).

"Graphene optical sensor" was invented by Hiroyasu Yamashita (Isehara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A graphene optical sensor includes a graphene layer having a surface, a first electrode and a second electrode, formed on the surface of the graphene layer, and arranged in a first direction parallel to the surface of the graphene layer, and a plurality of plasmonic antennas provided on the surface of the graphene layer between the first and second electrodes. Each plasmonic antenna of the plurality of plasmonic antennas, in a plan view, includes a first rod ...