ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,372, issued on Nov. 18, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Antenna device and communication device" was invented by Taichi Hamabe (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There are provided an antenna device and a communication device including: a board including a metamaterial layer, a ground layer, and a first layer disposed on a side opposite to the ground layer across the metamaterial layer; a first resonator to which power is fed, the first resonator being provided in the first layer; and a second resonator including two conductors provided along a longitudinal direction of t...