ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,144, issued on Aug. 25, was assigned to DENSO Corp. (Kariya-city, Japan), TOYOTA JIDOSHA K.K. (Toyota, Japan) and MIRISE Technologies Corp. (Nisshin, Japan).
"Waveguide" was invented by Masakazu Ikeda (Nisshin-city, Japan) and Takahiro Kato (Nisshin, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A waveguide includes a first waveguide having a first waveguide hole and a second waveguide having a second waveguide hole and assembled to the first waveguide with a predetermined gap therebetween. The second waveguide hole has an opening on one surface of the second waveguide facing the first waveguide, and the opening has a rounded polygonal shape ...