Patents by Inventor Do-Bong Park

Do-Bong Park 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).

  • Reinforcement frame for a display panel using extruded aluminum alloy and apparatus and method for manufacturing the same
    Patent number: 8174848
    Abstract: Disclosed is a reinforcement frame for a display panel using aluminum alloy extrusion members and an apparatus and a method for manufacturing the same, wherein, while a number of unitary aluminum alloy extrusion members abut one another, a welding head is used to cause the abutting portions to undergo friction resulting from high-speed rotation so that the members are melted and welded to one another by the resulting frictional heat.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: May 8, 2012
    Assignee: Dongyang Gangchul., Ltd.
    Inventors: Do-Bong Park, Sang-Woo Park, Kae-Hee Oh, Jin-Woo Park
  • REINFORCEMENT FRAME FOR A DISPLAY PANEL USING EXTRUDED ALUMINUM ALLOY AND APPARATUS AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20100039788
    Abstract: Disclosed is a reinforcement frame for a display panel using aluminum alloy extrusion members and an apparatus and a method for manufacturing the same, wherein, while a number of unitary aluminum alloy extrusion members abut one another, a welding head is used to cause the abutting portions to undergo friction resulting from high-speed rotation so that the members are melted and welded to one another by the resulting frictional heat.
    Type: Application
    Filed: November 2, 2007
    Publication date: February 18, 2010
    Applicant: DONGYANG GANGCHUL., LTD
    Inventors: Do-Bong Park, Sang-Woo Park, Kae-Hee Oh, Jin-Woo Park