ALEXANDRIA, Va., June 10 -- United States Patent no. 12,294,166, issued on May 6, was assigned to KYOCERA Corp. (Kyoto, Japan).

"Antenna substrate" was invented by Keizou Sakurai (Yasu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An antenna substrate according to the present disclosure includes a first insulation layer including a first surface, a second surface located opposite the first surface, and a first through-hole conductor extending from the first surface to the second surface, a ground conductor located at the first surface, the ground conductor including a slot, a second insulation layer including a second through-hole conductor connected to the first through-hole conductor, the second in...