ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,712,252, issued on Aug. 18, was assigned to AGC INC. (Tokyo).
"EBG structure-attached glass plate and vehicle antenna device" was invented by Yusuke Kato (Tokyo), Shoichi Takeuchi (Tokyo), Hideaki Shoji (Tokyo) and Toshiki Sayama (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An EBG structure-attached glass plate includes a vehicle roof glass for attachment to a metal frame of a vehicle body, an EBG structure that is disposed on a first main face of the roof glass, that has a predetermined conductor pattern periodically disposed thereon, and that is formed in a frame shape, and a radio wave transmitting and receiving region surrounded by the EBG ...