ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,719, issued on Sept. 30, was assigned to TDK Corp. (Tokyo).
"Optical modulation element" was invented by Hiroki Hara (Tokyo), Takashi Kikukawa (Tokyo), Hiroshi Take (Hong Kong), Kenji Nagase (Hong Kong) and Shuntaro Kodama (Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "An optical modulation element is provided with a substrate, a waveguide layer formed on the substrate, a dielectric layer formed on the waveguide layer, and an electrode formed on the dielectric layer. An outer peripheral end portion of the dielectric layer has an offset area positioned inside an outer peripheral end portion of the substrate. In at least a part of the offs...