Patents by Inventor Seung Heon RYU

Seung Heon 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).

  • Patent number: 11917800
    Abstract: Disclosed herein is a multi-layered window or door system for EMP protection. This may include a frame-shaped window or door frame, a plurality of shielding materials disposed on a side of the window or door frame to be spaced apart from each other, a first bracket disposed between the plurality of shielding materials and supported by an elastic mechanism, and a second bracket disposed outside an outermost shielding material among the plurality of shielding materials and supported by a cylinder.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: February 27, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dae-Yeon Kim, Dae-Heon Lee, Seung-Kab Ryu
  • Patent number: 11718205
    Abstract: Disclosed herein is a walk-in device for a seat. The walk-in device includes: a rotor configured to operate in conjunction with a recliner during a walk-in operation; a puller configured to operate in conjunction with the rotor during the walk-in operation, and to operate only in conjunction with the recliner without operating in conjunction with the rotor during a folding operation; a rotor spring configured to provide an elastic force to the rotor in a return direction; a puller spring configured to provide an elastic force to the puller in a return direction; and a base plate configured to rotatably install the rotor and the puller on a cushion frame of the seat, wherein the rotor and the puller are configured to set up a single rotation point with respect to the base plate via a hinge shaft.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: August 8, 2023
    Assignee: DAS CO., LTD.
    Inventors: Dong Man Lee, Seung Heon Ryu
  • Publication number: 20220379776
    Abstract: Disclosed herein is a walk-in device for a seat. The walk-in device includes: a rotor configured to operate in conjunction with a recliner during a walk-in operation; a puller configured to operate in conjunction with the rotor during the walk-in operation, and to operate only in conjunction with the recliner without operating in conjunction with the rotor during a folding operation; a rotor spring configured to provide an elastic force to the rotor in a return direction; a puller spring configured to provide an elastic force to the puller in a return direction; and a base plate configured to rotatably install the rotor and the puller on a cushion frame of the seat, wherein the rotor and the puller are configured to set up a single rotation point with respect to the base plate via a hinge shaft.
    Type: Application
    Filed: January 27, 2022
    Publication date: December 1, 2022
    Inventors: Dong Man LEE, Seung Heon RYU