ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,012, issued on Nov. 4, was assigned to DAIHEN Corp. (Osaka, Japan).
"High-frequency power supply system" was invented by Yuya Ueno (Osaka, Japan) and Yuichi Hasegawa (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 cont...