ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,386,212, issued on Aug. 12, was assigned to TDK Corp. (Tokyo).
"Electro-optical device including optical waveguide with slope change point" was invented by Hiroshi Take (Hong Kong), Kenji Nagase (Hong Kong), Anthony Reymund Melad Binarao (Hong Kong) and Cheng Bu Heng (Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electro-optical device includes a substrate, an optical waveguide formed on the substrate, a buffer layer formed on the substrate which is provided so as to cover the optical waveguide and an electrode formed on the buffer layer, when viewed in a propagation direction of light, a side surface of the optical waveguide has at least ...