US Patent Issued to Sumitomo Osaka Cement on June 24 for "Optical modulator and optical transmission device using same" (Japanese Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,529, issued on June 24, was assigned to Sumitomo Osaka Cement Co. Ltd. (Tokyo).

"Optical modulator and optical transmission device using same" was invented by Hideki Ichimei (Tokyo), Minoru Shinozaki (Tokyo) and Yu Kataoka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical modulator with which electrical connection between a signal electrode and signal wiring of a wiring substrate can be reliably made even in a case where a width of the signal electrode in an action portion of an optical control substrate is narrow is provided. An optical modulator includes an optical control substrate (1) that includes an optical waveguide (OW) includ...