ALEXANDRIA, Va., June 16 -- United States Patent no. 12,658,558, issued on June 16, was assigned to AGC Inc. (Tokyo).
"Vehicle antenna system" was invented by Shoichi Takeuchi (Tokyo), Hideaki Shoji (Tokyo), Toshiki Sayama (Tokyo) and Yusuke Kato (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a vehicle antenna system that is able to efficiently receive circularly polarized signals from the zenith direction. A vehicle antenna system (100) is provided with window glass (30) for a vehicle (20) and an antenna element (40) that is able to receive signals of a predetermined frequency band. The antenna element (40) is provided on a first principal plane of a dielectric substrate (43), and include...