ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,714, issued on April 7, was assigned to ROHM Co. LTD. (Kyoto, Japan).

"Terahertz device" was invented by Kazuisao Tsuruda (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A terahertz device includes: a support substrate; a terahertz element that is mounted to the support substrate and that emits an electromagnetic wave in a terahertz band; and a reflection body that is disposed on the opposite side to an element rear surface with respect to an element main surface in a z direction and at an interval in the z direction from the element main surface and that has a reflection surface for reflecting, in a direction crossing the z direction, ...