Patents by Inventor Luo Wenhai

Luo Wenhai 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).

  • KEYS AND KEYBOARD COMPRISING THE SAME
    Publication number: 20120163894
    Abstract: A key comprising a light transmitting key base; a three-dimensional cured resin layer disposed on a lower surface of the base; and a pattern layer disposed on a lower surface of the three-dimensional cured resin layer is provided. The three-dimensional cured resin layer may be formed with a microstructure on a lower surface facing the upper surface of the pattern layer. Further, a keyboard comprising the same is also provided.
    Type: Application
    Filed: July 26, 2010
    Publication date: June 28, 2012
    Inventors: Heng Xiao, Junfeng Liu, Luo Wenhai