Patents by Inventor Hyung Sun YOON

Hyung Sun YOON 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).

  • 3D PRINTING DEVICE AND METHOD USING SUPPORT MATERIAL CONTAINING A CROSSLINKING AGENT
    Publication number: 20240066808
    Abstract: A 3-dimensional (3D) printing device using a support body composition including a curing agent includes a support body, a structure body, and a controller, in which the support body composition includes a curing agent configured to cure the structure body.
    Type: Application
    Filed: November 26, 2021
    Publication date: February 29, 2024
    Inventors: Hyung Sun YOON, Young Hoon ROH, Young Min KIM, Kyung Jik YANG
  • SWITCHABLE FILTER
    Publication number: 20240047842
    Abstract: The present invention relates to a switchable filter comprising: a filter unit in which a first filter group for filtering the frequency of a first frequency band is provided on one surface thereof and a second filter group for filtering the frequency of a second frequency band is provided on the other surface thereof on the basis of a center partition wall; and a frequency band switching unit, which moves to be adjacent to or separated from the one surface or the other surface of the filter unit, and thus converts a frequency band into the first frequency band or the second frequency band. Therefore, the deterioration of RF characteristics is prevented and selective conversion between frequency bands is facilitated.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 8, 2024
    Applicant: KMW INC.
    Inventors: Nam Shin PARK, Joung Hoe KIM, Jung Hee WON, Kwang Nam JEON, Won Jae YOON, Hyung Sun YOON