ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,109, issued on Nov. 25, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Optical circuit board and electronic component mounting structure using the same" was invented by Akifumi Sagara (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical circuit board of the present disclosure includes a wiring board and an optical waveguide. The wiring board includes a mounting region for an optical component on an upper surface of the wiring board. The optical waveguide is located in a region adjacent to the mounting region, and includes, over the upper surface of the wiring board, a lower cladding layer, a plurality of cores extending in a first...