Patents by Inventor Yong-Kyu CHI

Yong-Kyu CHI 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).

  • Knee joint rehabilitation instrument
    Patent number: 11406554
    Abstract: The present invention relates to a knee joint rehabilitation instrument. The knee joint rehabilitation instrument of the present invention includes a thigh fixing unit into which a thigh of a leg requiring rehabilitation is inserted and thereby fixed; a shin fixing unit which is disposed next to the thigh fixing unit and into which a shin of the leg requiring rehabilitation is inserted and thereby fixed; and a knee position guide which is disposed between the thigh fixing unit and the shin fixing unit and guides a position of a knee when inserting the leg requiring rehabilitation into the thigh fixing unit and the shin fixing unit.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: August 9, 2022
    Assignee: HEXAR SYSTEMS CO., LTD.
    Inventors: Chang-Soo Han, Byung-Gab Ryu, Hye-Youn Jang, Su-Hyun Park, Yong-Kyu Chi
  • KNEE JOINT REHABILITATION INSTRUMENT
    Publication number: 20200030174
    Abstract: The present invention relates to a knee joint rehabilitation instrument. The knee joint rehabilitation instrument of the present invention includes a thigh fixing unit into which a thigh of a leg requiring rehabilitation is inserted and thereby fixed; a shin fixing unit which is disposed next to the thigh fixing unit and into which a shin of the leg requiring rehabilitation is inserted and thereby fixed; and a knee position guide which is disposed between the thigh fixing unit and the shin fixing unit and guides a position of a knee when inserting the leg requiring rehabilitation into the thigh fixing unit and the shin fixing unit.
    Type: Application
    Filed: November 9, 2017
    Publication date: January 30, 2020
    Applicant: HEXAR SYSTEMS CO., LTD.
    Inventors: Chang-Soo HAN, Byung-Gab RYU, Hye-Youn JANG, Su-Hyun PARK, Yong-Kyu CHI