ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,312, issued on March 17, was assigned to Panasonic Automotive Systems Co. Ltd. (Kanagawa, Japan).
"Antenna device" was invented by Hideyuki Hayashi (Kanagawa, Japan), Satoshi Watanabe (Kanagawa, Japan) and Hidenobu Kato (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An antenna device includes a dielectric layer having a dielectric, an antenna element that is located on a surface of the dielectric layer and that has a loop shape, a radio frequency input element configured to supply power to the antenna element, and at least one resonance element that is located inside the dielectric layer."
The patent was filed on March 27, 2024, u...