US Patent Issued to KYOSAN ELECTRIC on June 3 for "RF band power supply device and pulse width modulation control method" (Japanese Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,323,074, issued on June 3, was assigned to KYOSAN ELECTRIC MFG. Co. LTD..

"RF band power supply device and pulse width modulation control method" was invented by Itsuo Yuzurihara (Yokohama, Japan), Tomohiro Yoneyama (Yokohama, Japan), Shohei Kobayashi (Yokohama, Japan) and Yu Hosoyamada (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The pulse width modulation control method and RF band power supply device according to the present invention are a pulse width modulation (PWM) control of a single phase PWM inverter in which the modulated wave frequency fs of a modulated wave is set in the RF band. The present control includes each of (a) a ...