Patents by Inventor HODON RYU

HODON RYU 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).

  • FILTER ASSEMBLY FOR DISINFECTING PATHOGENS USING ULTRAVIOLET LIGHT EMITTING DIODES (UV-LEDS) AND METHOD THEREFOR
    Publication number: 20230416119
    Abstract: A Point of Use (POU) filtration device has a hollow conduit having open ends. An Ultraviolet Light Emitting Diode (UV-LED) module is coupled to the hollow container.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 28, 2023
    Inventors: HODON RYU, YOONTAEK OH
  • Filter assembly for disinfecting pathogens using multiple wavelength ultraviolet light emitting diodes (UV-LEDs) and method therefor
    Patent number: 11787706
    Abstract: A point-of-use (POU) water filtration device has a container. A plurality of channels is formed within the container, water entering the container flowing through the plurality of channels. A plurality of Ultraviolet (UV) Light Emitting Diodes (LEDs) is provided. Each of the plurality of UV LEDs illuminating UV light down an associated channel of the plurality of channels.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: October 17, 2023
    Assignee: U.S. Environmental Protection Agency
    Inventors: Hodon Ryu, Hyoungmin Woo
  • FILTER ASSEMBLY FOR DISINFECTING PATHOGENS USING MULTIPLE WAVELENGTH ULTRAVIOLET LIGHT EMITTING DIODES (UV-LEDS) AND METHOD THEREFOR
    Publication number: 20210371304
    Abstract: A point-of-use (POU) water filtration device has a container. A plurality of channels is formed within the container, water entering the container flowing through the plurality of channels. A plurality of Ultraviolet (UV) Light Emitting Diodes (LEDs) is provided. Each of the plurality of UV LEDs illuminating UV light down an associated channel of the plurality of channels.
    Type: Application
    Filed: July 27, 2021
    Publication date: December 2, 2021
    Applicant: U.S. Environmental Protection Agency
    Inventors: HODON RYU, HYOUNGMIN WOO
  • Filter assembly for disinfecting pathogens using multiple wavelength ultraviolet light emitting diodes (UV-LEDs) and method therefor
    Patent number: 11104591
    Abstract: A point-of-use (POU) water filtration device has a container. A plurality of channels is formed within the container, water entering the container flowing through the plurality of channels. A plurality of Ultraviolet (UV) Light Emitting Diodes (LEDs) is provided. Each of the plurality of UV LEDs illuminating UV light down an associated channel of the plurality of channels.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: August 31, 2021
    Assignee: U.S. ENVIRONMENTAL PROTECTION AGENCY
    Inventors: Hodon Ryu, Hyoungmin Woo
  • FILTER ASSEMBLY FOR DISINFECTING PATHOGENS USING MULTIPLE WAVELENGTH ULTRAVIOLET LIGHT EMITTING DIODES (UV-LEDS) AND METHOD THEREFOR
    Publication number: 20200017375
    Abstract: A point-of-use (POU) water filtration device has a container. A plurality of channels is formed within the container, water entering the container flowing through the plurality of channels. A plurality of Ultraviolet (UV) Light Emitting Diodes (LEDs) is provided. Each of the plurality of UV LEDs illuminating UV light down an associated channel of the plurality of channels.
    Type: Application
    Filed: July 24, 2019
    Publication date: January 16, 2020
    Applicant: U.S. Environmental Protection Agency
    Inventors: HODON RYU, HYOUNGMIN WOO