ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,407,078, issued on Sept. 2, was assigned to Tokyo Electron Ltd. (Tokyo).

"Tuner, and impedance matching method" was invented by Taro Ikeda (Nirasaki, Japan) and Eiki Kamata (Nirasaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a tuner that forms a part of an electromagnetic wave transmission path for supplying electromagnetic waves from a power supply to a load, and that matches an impedance on a power supply side and an impedance on a load side, comprising: a coaxial line including a cylindrical inner conductor and a cylindrical outer conductor disposed coaxially outside the inner conductor; an annular first dielectric const...