ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,982, issued on May 27, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).

"Directional coupler, high-frequency module, and communication device" was invented by Koji Furutani (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A directional coupler includes a main line, sub lines, and a multilayer substrate. The multilayer substrate includes dielectric layers. The multilayer substrate has a first and a second principal surface. The main line, the first, second, and third sub lines are each formed in a looped shape in plan view from a thickness direction of the multilayer substrate, and are provided to different dielectric layers ...