Patents by Inventor Joo Yeong Yu

Joo Yeong Yu 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: 7677657
    Abstract: An active headrest assembly for a vehicle includes a headrest supported by a seat back frame. An active plate is connected to the headrest and has guide slots defined therein. Guide pins are inserted through the guide slots to slide along the guide slots. A lumbar unit has a support wire secured to the guide pins and is rotatably connected to the lower end of the seat back frame. A returning unit elastically connects the active plate and the lumbar unit with each other.
    Type: Grant
    Filed: April 2, 2008
    Date of Patent: March 16, 2010
    Assignees: Hyundai Motor Company, Kia Motors Corp., Dymos Inc.
    Inventors: Sang Do Park, Dong Woo Jeong, Joo Yeong Yu
  • Publication number: 20090134684
    Abstract: An active headrest assembly for a vehicle includes a headrest supported by a seat back frame. An active plate is connected to the headrest and has guide slots defined therein. Guide pins are inserted through the guide slots to slide along the guide slots. A lumbar unit has a support wire secured to the guide pins and is rotatably connected to the lower end of the seat back frame. A returning unit elastically connects the active plate and the lumbar unit with each other.
    Type: Application
    Filed: April 2, 2008
    Publication date: May 28, 2009
    Inventors: Sang Do Park, Dong Woo Jeong, Joo Yeong Yu