Patents by Inventor Ki Yong Chang

Ki Yong Chang 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: 11648144
    Abstract: A device for correcting a forward head posture includes a front support configured to support a jaw of a user, a rear support configured to support a rear side of a cervical spine of the user, and an adjuster configured to adjust a distance between the front support and the rear support. As the adjuster is adjusted or operated, a lower jaw joint of the jaw of the user moves backward in a horizontal direction.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: May 16, 2023
    Inventor: Ki Yong Chang
  • Patent number: 11304839
    Abstract: A lifting belt includes a lifter configured to generate a tractive force in a longitudinal direction of a spinal column by expansion, a left connector and a right connector respectively disposed on a left side and a right side of the lifter, and a central connector attachable to or detachable from the left connector and the right connector.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: April 19, 2022
    Inventors: Ki Yong Chang, Min Young Kang
  • Patent number: 11123213
    Abstract: A lifting belt may include a lifter configured to generate a tractive force along a longitudinal direction of a spinal column by expansion, and a left connector and a right connector respectively disposed on a left side and a right side of the lifter and connectable to each other.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: September 21, 2021
    Inventors: Ki Yong Chang, Min Young Kang
  • Publication number: 20210121316
    Abstract: A device for correcting a forward head posture includes a front support configured to support a jaw of a user, a rear support configured to support a rear side of a cervical spine of the user, and an adjuster configured to adjust a distance between the front support and the rear support. As the adjuster is adjusted or operated, a lower jaw joint of the jaw of the user moves backward in a horizontal direction.
    Type: Application
    Filed: October 2, 2020
    Publication date: April 29, 2021
    Inventor: Ki Yong Chang
  • Publication number: 20200281752
    Abstract: A lifting belt includes a lifter configured to generate a tractive force in a longitudinal direction of a spinal column by expansion, a left connector and a right connector respectively disposed on a left side and a right side of the lifter, and a central connector attachable to or detachable from the left connector and the right connector.
    Type: Application
    Filed: March 10, 2017
    Publication date: September 10, 2020
    Inventors: Ki Yong CHANG, Min Young KANG
  • Patent number: 10667567
    Abstract: A wrist protector includes a contact pad to be worn on a wrist of a user, a plurality of air tubes disposed on the contact pad, a pump configured to inject air from an outside into the plurality of air tubes, and a discharge valve configured to discharge the air stored in the plurality of air tubes to the outside.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: June 2, 2020
    Inventors: Ki Yong Chang, Min Young Kang
  • Publication number: 20190191793
    Abstract: A wrist protector includes a contact pad to be worn on a wrist of a user, a plurality of air tubes disposed on the contact pad, a pump configured to inject air from an outside into the plurality of air tubes, and a discharge valve configured to discharge the air stored in the plurality of air tubes to the outside.
    Type: Application
    Filed: August 27, 2018
    Publication date: June 27, 2019
    Inventors: Ki Yong Chang, Min Young Kang
  • Publication number: 20180338853
    Abstract: A lifting belt may include a lifter configured to generate a tractive force along a longitudinal direction of a spinal column by expansion, and a left connector and a right connector respectively disposed on a left side and a right side of the lifter and connectable to each other.
    Type: Application
    Filed: December 1, 2016
    Publication date: November 29, 2018
    Inventors: KI YONG CHANG, MIN YOUNG KANG
  • Publication number: 20180256381
    Abstract: A knee retractor according to an embodiment comprises: an upper frame, which is positioned on the thigh, and which has an upper retracting member provided on an end thereof; a lower frame, which is positioned on the lower leg region, and which has a lower retracting member provided on an end thereof so as to be able to engage with the upper retracting member and to rotate accordingly; and a band portion configured to surround the thigh and the lower leg region, the upper frame and the lower frame being mounted on the band portion, wherein contacting parts of the upper and lower retracting members can be positioned on the front side of the knee joint.
    Type: Application
    Filed: July 11, 2016
    Publication date: September 13, 2018
    Inventors: Ki Yong CHANG, Min Young KANG
  • Patent number: 10045873
    Abstract: A knee traction apparatus may include an upper frame provided to be worn on a thigh region and including an upper fraction member disposed in an end of the upper frame, and a lower frame provided to be worn on a lower leg region and including a lower traction member that is disposed in an end of the lower frame and is to rotate in mesh with the upper traction member. The upper traction member and the lower traction member may be in contact with each other in front of a knee joint.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: August 14, 2018
    Assignee: Changeui Medical co., Ltd.
    Inventor: Ki Yong Chang
  • Publication number: 20150272768
    Abstract: A knee traction apparatus may include an upper frame provided to be worn on a thigh region and including an upper fraction member disposed in an end of the upper frame, and a lower frame provided to be worn on a lower leg region and including a lower traction member that is disposed in an end of the lower frame and is to rotate in mesh with the upper traction member. The upper traction member and the lower traction member may be in contact with each other in front of a knee joint.
    Type: Application
    Filed: September 4, 2014
    Publication date: October 1, 2015
    Inventor: Ki Yong Chang
  • Patent number: D779076
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: February 14, 2017
    Inventors: Ki Yong Chang, Min Young Kang
  • Patent number: D833024
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: November 6, 2018
    Inventors: Ki Yong Chang, Min Young Kang
  • Patent number: D833629
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: November 13, 2018
    Inventors: Ki Yong Chang, Min Young Kang
  • Patent number: D834204
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: November 20, 2018
    Inventors: Ki Yong Chang, Min Young Kang
  • Patent number: D858896
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: September 3, 2019
    Inventor: Ki Yong Chang
  • Patent number: D908974
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: January 26, 2021
    Assignee: DISK DR. CO. LTD
    Inventor: Ki Yong Chang
  • Patent number: D916384
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: April 13, 2021
    Assignee: DISK DR. CO., LTD.
    Inventor: Ki Yong Chang
  • Patent number: D948062
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: April 5, 2022
    Inventor: Ki Yong Chang
  • Patent number: D1016857
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: March 5, 2024
    Inventor: Ki Yong Chang