US Patent Issued to Sumitomo Electric Industries on June 3 for "Method for manufacturing optical modulator, testing method, non-transitory storage medium, and light transmission apparatus" (Japanese Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,076, issued on June 3, was assigned to Sumitomo Electric Industries Ltd. (Osaka, Japan).

"Method for manufacturing optical modulator, testing method, non-transitory storage medium, and light transmission apparatus" was invented by Tsutomu Ishikawa (Osaka, Japan) and Naoya Kono (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing an optical modulator is disclosed. The optical modulator includes a Mach-Zehnder modulator, the Mach-Zehnder modulator including an electrode and an arm waveguide, the electrode being provided on the arm waveguide. The method includes a step of preparing the Mach-Zehnder modulator, a step of...