ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,746, issued on Feb. 17, was assigned to DAIHEN Corp. (Osaka, Japan).
"High-frequency power supply system" was invented by Yuichi Hasegawa (Osaka, Japan) and Yuya Ueno (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A high-frequency power supply system according to the present disclosure includes a first power supply, a second power supply, a first matcher, and a second matcher. The second power supply performs pulse modulation of repeating an ON operation of outputting a second forward wave voltage and an OFF operation of not outputting the second forward wave voltage are repeated. The first power supply performs frequency modulation co...