ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,401,226, issued on Aug. 26, was assigned to IHI Corp. (Tokyo).
"Power transmitter" was invented by Shiro Nagaoka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power transmitter includes: a first coil that wirelessly transmits the electric power to a second coil of a power receiver; a converter including a DC/AC converter that converts DC electric power into AC electric power and supplies the AC electric power to the first coil; and a controller that brings a power value of the DC electric power or the AC electric power close to a power command value by frequency control of changing a frequency of the AC electric power. The controller performs,...