ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,713, issued on Jan. 27, was assigned to Mitsubishi Electric Corp. (Tokyo).
"Optical semiconductor device and optical control apparatus" was invented by Keita Mochizuki (Tokyo) and Takashi Nagira (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical semiconductor device includes an optical modulator provided on a substrate, an optical waveguide provided on the substrate, one end of the optical waveguide being connected to a light emission side of the optical modulator and another end of the optical waveguide being present at an end portion of the substrate, a phase adjusting unit provided on a path of the optical waveguide and an optical a...