Patents by Inventor Yeong-Hoon SOHN

Yeong-Hoon SOHN 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).

  • Patent number: 11632061
    Abstract: A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: April 18, 2023
    Assignee: EN2CORE TECHNOLOGY, INC.
    Inventors: Yeong-Hoon Sohn, Se-Hong Park, Sae-Hoon Uhm
  • Publication number: 20230083958
    Abstract: A plasma generating apparatus according to an embodiment of the present invention comprises: a pair of electrodes arranged in a dielectric discharge tube; an initial discharge induction coil module; and a main discharge induction coil module. The initial discharge induction coil module and the main discharge induction coil module are connected to an RF power source, and the RF power source provides RF power having different resonance frequencies to the initial discharge induction coil module and the main discharge induction coil module, respectively.
    Type: Application
    Filed: November 15, 2022
    Publication date: March 16, 2023
    Inventors: Sae Hoon UHM, Yun Seong LEE, Yeong Hoon SOHN, Se Hong PARK
  • Patent number: 11532455
    Abstract: A plasma generating apparatus according to an embodiment of the present invention comprises: a pair of electrodes arranged in a dielectric discharge tube; an initial discharge induction coil module; and a main discharge induction coil module. The initial discharge induction coil module and the main discharge induction coil module are connected to an RF power source, and the RF power source provides RF power having different resonance frequencies to the initial discharge induction coil module and the main discharge induction coil module, respectively.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: December 20, 2022
    Assignee: EN2CORE TECHNOLOGY, INC.
    Inventors: Sae-Hoon Uhm, Yun-Seong Lee, Yeong-Hoon Sohn, Se-Hong Park
  • Publication number: 20220173670
    Abstract: A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Inventors: Yeong-Hoon SOHN, Se-Hong PARK, Sae-Hoon UHM
  • Patent number: 11290028
    Abstract: A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: March 29, 2022
    Assignee: EN2CORE TECHNOLOGY, INC.
    Inventors: Yeong-Hoon Sohn, Se-Hong Park, Sae-Hoon Uhm
  • Patent number: 11258373
    Abstract: A power supply includes an inverter configured to convert direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load, and a controller configured to detect a delay time of an output voltage and an output current output to the impedance matching circuit and the load and to adjust a frequency of the output voltage according to the detected delay time.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: February 22, 2022
    Assignee: EN2CORE TECHNOLOGY, INC.
    Inventors: Yeong-Hoon Sohn, Se-Hong Park, Sae-Hoon Uhm
  • Publication number: 20210319979
    Abstract: A plasma generating apparatus according to an embodiment of the present invention comprises: a pair of electrodes arranged in a dielectric discharge tube; an initial discharge induction coil module; and a main discharge induction coil module. The initial discharge induction coil module and the main discharge induction coil module are connected to an RF power source, and the RF power source provides RF power having different resonance frequencies to the initial discharge induction coil module and the main discharge induction coil module, respectively.
    Type: Application
    Filed: December 27, 2019
    Publication date: October 14, 2021
    Inventors: Sae-Hoon UHM, Yun-Seong LEE, Yeong-Hoon SOHN, Se-Hong PARK
  • Publication number: 20210226555
    Abstract: A power supply includes an inverter configured to convert direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load, and a controller configured to detect a delay time of an output voltage and an output current output to the impedance matching circuit and the load and to adjust a frequency of the output voltage according to the detected delay time.
    Type: Application
    Filed: June 11, 2018
    Publication date: July 22, 2021
    Inventors: Yeong-Hoon SOHN, Se-Hong PARK, Sae-Hoon UHM
  • Publication number: 20210226556
    Abstract: A power supply includes an inverter configured to direct current (DC) power into alternating current (AC) power, an impedance matching circuit configured to supply the AC power to a load; and a controller configured to adjust disposition of a powering period, in which the AC power is output, and a freewheeling period, in which the AC power is not output, to adjust a power amount of the power supplied to the load through the impedance matching circuit by the inverter.
    Type: Application
    Filed: June 11, 2018
    Publication date: July 22, 2021
    Inventors: Yeong-Hoon SOHN, Se-Hong PARK, Sae-Hoon UHM