ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,432, issued on April 21, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).
"Waveguide" was invented by Ken Takahashi (Ishikawa, Japan), Tomohiro Murata (Kanagawa, Japan) and Koji Takinami (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This waveguide comprises: a first multilayered board in which a first dielectric layer and a plurality of first conductive layers the latter of which has a first opening are stacked; a first through via group in which a plurality of first through vias for electrically connecting the first conductive layers are aligned, in an in-plane direction of the first multilayere...