Patents by Inventor Chang-Seob Han

Chang-Seob 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).

  • ORTHODONTIC WIRE AND MANUFACTURING METHOD THEREOF
    Publication number: 20090061378
    Abstract: The present invention relates to an orthodontic wire and a manufacturing method thereof, and more particularly, to an orthodontic wire, which is not harmful to the human body and is capable of continuously holding the color of teeth, and a manufacturing method of the orthodontic wire. According to the present invention, there is provided an orthodontic wire, comprising a metal wire formed of a shape memory alloy material; a silver (Ag) film applied to a surface of the metal wire; and a polymer compound film applied to a surface of the silver (Ag) film to prevent the silver (Ag) film from being discolored.
    Type: Application
    Filed: December 22, 2006
    Publication date: March 5, 2009
    Inventors: In-Jae Kim, Sang-Gi Kim, Seung-Jae Park, Ji-Hun Jung, Chang-Seob Han, Seong-Chul Shin