Patents by Inventor Huitae LEE

Huitae 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).

  • Patent number: 11617665
    Abstract: A hybrid artificial limb device is provided. A hybrid artificial limb device according to an exemplary embodiment of the present invention comprises: a joint upper side connection member positioned at the upper side of a knee; a knee joint member connected to the joint upper side connection member; and a frame coupled to the knee joint member to be able to perform a pivot rotation, and forming a femoral part. When the frame performs a pivot rotation about the knee joint member, the passive power from the passive driving module and the active power from the active driving module may be selectively or simultaneously provided to the knee joint member.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: April 4, 2023
    Assignee: KOREA LABOR WELFARE CORPORATION CO., LTD.
    Inventors: Hyunjun Shin, Shinki Kim, Mankee Jeon, Hyeonseok Cho, Jong Kwon Kim, Jinkuk Park, Sehoon Park, Jongmoon Choi, Huitae Lee, Jeichung Ryu
  • Publication number: 20220202596
    Abstract: A hybrid artificial limb device is provided. A hybrid artificial limb device according to an exemplary embodiment of the present invention comprises: a joint upper side connection member positioned at the upper side of a knee; a knee joint member connected to the joint upper side connection member; and a frame coupled to the knee joint member to be able to perform a pivot rotation, and forming a femoral part. The hybrid artificial limb device also comprises: a passive driving module which includes a hydraulic cylinder connected to the knee joint member, so as to transfer passive power to the knee joint member; and an active driving module which is coupled to the knee joint member so as to transfer active power to the knee joint member. When the frame performs a pivot rotation about the knee joint member, the passive power from the passive driving module and the active power from the active driving module may be selectively or simultaneously provided to the knee joint member.
    Type: Application
    Filed: September 27, 2019
    Publication date: June 30, 2022
    Applicant: KOREA LABOR WELFARE CORPORATION CO., LTD.
    Inventors: Hyunjun SHIN, Shinki KIM, Mankee JEON, Hyeonseok CHO, Jong Kwon KIM, Jinkuk PARK, Sehoon PARK, Jongmoon CHOI, Huitae LEE, Jeichung RYU