US Patent Issued to Waseda University on Feb. 25 for "Waveguide, method of manufacturing waveguide and antenna" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,237,555, issued on Feb. 25, was assigned to Waseda University (Tokyo).

"Waveguide, method of manufacturing waveguide and antenna" was invented by Seiji Nishi (Tokyo), Takuro Sato (Tokyo), Kazuhiko Tamesue (Tokyo) and Tetsuya Kawanishi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The first conductor plate has a groove portion that has a rectangular cross section and is formed in parallel with a first main surface such that the longitudinal direction becomes a first direction, and a first vertical tube portion formed in a direction away from the second conductor plate in a second direction orthogonal to the first direction and the first main surf...