Patents by Inventor FENGYUN SHI

FENGYUN SHI 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: 20180310425
    Abstract: This disclosure provide an aluminum alloy housing and a preparation method for same. An external surface of the aluminum alloy housing has a convex portion and a concave portion, the convex portion has a convex oxide film, the concave portion has a concave oxide film, and surfaces of the convex oxide film and the concave oxide film have a glossiness of 90-150.
    Type: Application
    Filed: June 27, 2018
    Publication date: October 25, 2018
    Inventors: CHONGCHONG LIAO, XIONG XIONG, FENGYUN SHI, YOUCHENG HU