Patents by Inventor Sung-Hwan Choo

Sung-Hwan Choo 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).

  • Publication number: 20120213927
    Abstract: A surface coating method for an exterior part includes positioning one or more exterior part preforms, which are objects to be surface-coated, within a deposition chamber capable of revolution and rotation; positioning one or more tablets containing a coating component on an evaporation device installed within an area surrounded by the revolution trace of the exterior part preforms; and depositing a coating layer to a surface of each of the exterior part preforms by evaporating the tablets while revolving and rotating the exterior part preforms. The surface coating method and device conduct the rotation and revolution of objects to be coated in while proceeding with a coating step, whereby an evaporated coating component can be uniformly diffused over the entire deposition chamber, and a uniform coating layer can be formed on the entire surface of each of the objects to be coated.
    Type: Application
    Filed: June 30, 2011
    Publication date: August 23, 2012
    Inventors: Shigeo Ohira, Yong-Pil Lim, Jong-Bae Park, Sung-Hwan Choo, Jong-Hwa Kim, Hak-Ju Kim, Se-Jin Kim