US Patent Issued to KYOCERA on Sept. 8 for "Optical waveguide package and light-emitting device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,730,268, issued on Sept. 8, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Optical waveguide package and light-emitting device" was invented by Yoshiaki Itakura (Aira, Japan) and Ryuuji Mori (Kagoshima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical waveguide package includes a substrate, and an optical waveguide layer on an upper surface of the substrate. The optical waveguide layer includes a cladding and a core in the cladding. The cladding has at least one first recess having a bottom surface and a first inner wall surface surrounding the bottom surface. The first inner wall surface of the at least one first recess is inclined and h...