ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,430,532, issued on Sept. 30, was assigned to SHUYOU (SHANGHAI) TECHNOLOGY Co. LTD. (Shanghai).
"Passive RFID tag" was invented by Youngdo Kim (Shanghai) and Xiaomeng Ma (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "A passive radio frequency identification (RFID) tag, including: a carrier; metal antennas, respectively disposed in mirror symmetry on a first surface and a second surface of the carrier opposite to each other, wherein a part of the metal antenna on the first surface and another part of the metal antenna on the second surface are open-circuited at one end of the carrier and short-circuited at another end of the carrier; and a RF c...