US Patent Issued to SHINKO ELECTRIC INDUSTRIES on June 30 for "Optical waveguide device and method of making the same" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,650, issued on June 30, was assigned to SHINKO ELECTRIC INDUSTRIES Co. LTD. (Nagano, Japan).

"Optical waveguide device and method of making the same" was invented by Motoyuki Fukuhara (Nagano, Japan), Hisashi Kaneda (Nagano, Japan) and Kazunao Yamamoto (Nagano, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical waveguide device includes an optical waveguide substrate including a first cladding layer disposed on a support, a core layer disposed on the first cladding layer, and a second cladding layer selectively covering the core layer, and a silicon photonic chip including a silicon substrate and a silicon waveguide disposed on one side...