ALEXANDRIA, Va., April 2 -- United States Patent no. 12,266,945, issued on April 1, was assigned to OMRON Corp. (Kyoto, Japan).
"Contactless power feed apparatus" was invented by Goro Nakao (Kyoto, Japan), Yuki Ito (Kyoto, Japan) and Taichi Mishima (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A contactless power feed apparatus 1 has a relay circuit 4 relaying power transmitted from a power transmission device 2 to a power reception device 3 in a contactless manner. The power transmission device 2 has: a transmission coil 12 transmitting AC power to the relay circuit 4. The relay circuit 4 has: a first coil 31, electromagnetically coupled with the transmission coil 12 and receiving the AC powe...