ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,986, issued on Oct. 14, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Optical waveguide element and optical axis adjustment method" was invented by Shuhei Yamamoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical waveguide element of the present disclosure includes: a waveguide for propagating light; a clad including an upper clad whose lower surface is in contact with one surface of the waveguide and whose upper surface exposed to the outside is formed with a rough surface, and a lower clad whose upper surface is in contact with the other surface of the waveguide and whose lower surface is formed with a reflective surface; an ...