Patents by Inventor Yang-Sheng Xu

Yang-Sheng Xu 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).

  • Patent number: 7258591
    Abstract: The present invention generally relates to apparatuses having some characteristic(s) of traditional “roly-poly” toys, which are traditional passive toys that, when struck, wobble about their typically-rounded base but stay upright due to bottom-heavy weighting. Some embodiments of the present invention can be especially relevant to such an apparatus that is mobile and/or not totally passive.
    Type: Grant
    Filed: October 1, 2003
    Date of Patent: August 21, 2007
    Assignee: The Chinese University of Hong Kong
    Inventors: Yang-Sheng Xu, Hang Tong, Shu-Shang Zhao, Wing-Seng Fong
  • Publication number: 20040198159
    Abstract: The present invention generally relates to apparatuses having some characteristic(s) of traditional “roly-poly” toys, which are traditional passive toys that, when struck, wobble about their typically-rounded base but stay upright due to bottom-heavy weighting. Some embodiments of the present invention can be especially relevant to such an apparatus that is mobile and/or not totally passive.
    Type: Application
    Filed: October 1, 2003
    Publication date: October 7, 2004
    Inventors: Yang-Sheng Xu, Hang Tong, Shu-Shang Zhao, Wing-Seng Fong