ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,710, issued on April 7, was assigned to DENSO Corp. (Kariya-city, Japan).
"Waveguide slot antenna" was invented by Tomihiro Ikegami (Kariya-city, Japan) and Kazushi Kawaguchi (Kariya-city, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A waveguide slot antenna includes a waveguide having a plurality of slots spaced apart by a predefined distance in a central-axis direction of the waveguide, as a radiating section. An uneven section provided on an outer wall surface around the radiating section has a periodic concave-convex pattern extending from the radiating section. The uneven section includes a plurality of protrusions spaced apart by a pre...