US Patent Issued to SUMITOMO ELECTRIC INDUSTRIES on Dec. 30 for "Semiconductor optical device and method of manufacturing the same" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,645, issued on Dec. 30, was assigned to SUMITOMO ELECTRIC INDUSTRIES LTD. (Osaka, Japan).

"Semiconductor optical device and method of manufacturing the same" was invented by Naoko Konishi (Osaka, Japan), Takehiko Kikuchi (Osaka, Japan), Hideki Yagi (Osaka, Japan) and Nobuhiko Nishiyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor optical device includes a substrate having an optical waveguide, a gain section formed of a compound semiconductor having an optical gain and bonded to an upper surface of the substrate, the gain section having a first mesa, and a first wiring line electrically connected to the gain section. The fir...