US Patent Issued to Mitsubishi Electric on June 17 for "Optical semiconductor integrated element and method of manufacturing optical semiconductor integrated element" (Japanese Inventor)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,712, issued on June 17, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Optical semiconductor integrated element and method of manufacturing optical semiconductor integrated element" was invented by Tsutomu Yamaguchi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical semiconductor integrated element comprises a laser section and a photodetector section which are arranged on the same semiconductor substrate, the laser section and the photodetector section each have a light confining layer which confines light, a cladding layer, and a contact layer formed of an InGaAs layer or an InGaAsP layer, the light confining layer of the laser ...