Patents by Inventor Jong Gik HAN

Jong Gik HAN 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).

  • PHOSPAHTE COATED STAINLESS STEEL WIRE FOR COLD HEADING AND SELF-DRILLING SCREW USING THE STAINLESS STEEL WIRE
    Publication number: 20080206560
    Abstract: Provided are a phosphate coated stainless steel wire for cold heading and a self-drilling screw using the stainless steel wire. Since a phosphate coating is formed on a surface of the stainless steel wire, cold headability and clamping force can be significantly improved, and since outer appearance is improved, a post-process after a heading is not required.
    Type: Application
    Filed: November 28, 2007
    Publication date: August 28, 2008
    Inventors: Ju Hwan PARK, Ki Hong KIM, Jeong Won HA, Sang Jin KIM, Jong Gik HAN