Patents by Inventor Man Gi Lee

Man Gi Lee 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).

  • Publication number: 20230182630
    Abstract: A lumbar support for a vehicle seat includes: a support panel made of an elastic material and supporting the user's lumbar vertebra; a first guide rod supporting the support panel; a second link bracket fastened to the first guide rod to be movable up and down; a first link bracket disposed under the second link bracket to be movable up and down with respect to the second link bracket, and having an operation block providing a supporting force to the lumbar vertebra; a first rotary screw vertically extending, thread-fastened to the first link bracket, and moving up and down the first link bracket by rotating about a longitudinal axis; and a second rotary screw vertically extending, thread-fastened to the second link bracket, and moving up and down the second link bracket by rotating about a longitudinal axis.
    Type: Application
    Filed: December 27, 2021
    Publication date: June 15, 2023
    Applicant: GUMCHANG CO,LTD.
    Inventors: Jae Yel SONG, Hai Tai CHOI, Chae Sung SONG, Se Gil SHIN, Sung Su PARK, Sang Ho LEE, Man Gi LEE, Se Jong KIM, Yong CHOI, Young Jin HONG
  • Patent number: 11660990
    Abstract: A lumbar support for a vehicle seat includes: a support panel made of an elastic material and supporting the user's lumbar vertebra; a first guide rod supporting the support panel; a second link bracket fastened to the first guide rod to be movable up and down; a first link bracket disposed under the second link bracket to be movable up and down with respect to the second link bracket, and having an operation block providing a supporting force to the lumbar vertebra; a first rotary screw vertically extending, thread-fastened to the first link bracket, and moving up and down the first link bracket by rotating about a longitudinal axis; and a second rotary screw vertically extending, thread-fastened to the second link bracket, and moving up and down the second link bracket by rotating about a longitudinal axis.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: May 30, 2023
    Assignee: GUMCHANG CO., LTD.
    Inventors: Jae Yel Song, Hai Tai Choi, Chae Sung Song, Se Gil Shin, Sung Su Park, Sang Ho Lee, Man Gi Lee, Se Jong Kim, Yong Choi, Young Jin Hong