Patents by Inventor Cheng-Guo Zhang

Cheng-Guo Zhang 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).

  • Housing and method for making the same
    Publication number: 20060286392
    Abstract: A housing (100) includes a housing base (10), a chromium film (12), and a chromium carbide film (14). The housing base is made of a material of metal or metal alloys. The chromium film is formed on a surface of the housing base, and the chromium carbide film is formed on a surface of the chromium film. The present invention also provides a method for making the housing.
    Type: Application
    Filed: April 3, 2006
    Publication date: December 21, 2006
    Applicant: FIH Co., LTD
    Inventors: Chih-Pen Lin, Yong-Ming Li, Yi-Lin Zhang, Cheng-Guo Zhang, Nai-Juan Ren, Xian-Feng Luo