Patents by Inventor Geun Wan KOO

Geun Wan KOO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Resonant network for plasma power supply and power supply device for plasma generator
    Patent number: 10548211
    Abstract: Provided is a resonant network for plasma power supply, which is connected between a power supply unit and an output unit. The resonant network includes a resonant inductor connected in series with the power supply unit, a resonant capacitor connected in parallel with the output unit and connected in series with the resonant inductor, and a passive element connected in series with the output unit and the resonant inductor and connected in parallel with the resonant capacitor.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: January 28, 2020
    Assignees: NEW POWER PLASMA CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVER
    Inventors: Seung Hee Ryu, Chang Seob Lim, Hong Kweon Moon, Won Yong Sung, Geun Wan Koo, Byoung Kuk Lee
  • RESONANT NETWORK FOR PLASMA POWER SUPPLY AND POWER SUPPLY DEVICE FOR PLASMA GENERATOR
    Publication number: 20190357341
    Abstract: Provided is a resonant network for plasma power supply, which is connected between a power supply unit and an output unit. The resonant network includes a resonant inductor connected in series with the power supply unit, a resonant capacitor connected in parallel with the output unit and connected in series with the resonant inductor, and a passive element connected in series with the output unit and the resonant inductor and connected in parallel with the resonant capacitor.
    Type: Application
    Filed: September 20, 2018
    Publication date: November 21, 2019
    Inventors: Seung Hee RYU, Chang Seob LIM, Hong Kweon MOON, Won Yong SUNG, Geun Wan KOO, Byoung Kuk LEE