ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,581, issued on March 25, was assigned to TDK Corp. (Tokyo).
"Integrated optical device, integrated optical module, and method for manufacturing integrated optical device" was invented by Ryohei Fukuzaki (Tokyo) and Masahiro Shinkai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated optical device includes: a mounting base; an optical semiconductor device which is provided on a surface of the mounting base; a substrate; and an optical waveguide which is provided on a surface of the substrate, wherein an incident surface of the optical waveguide is disposed to face an emission surface of the optical semiconductor device, wherein ligh...