Patents by Inventor Zhang Yajun

Zhang Yajun 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).

  • System and Method of Orienting Building Representations
    Publication number: 20090172600
    Abstract: Systems and methods are disclosed to display compass-type indicia relative to a three dimensional computer generated image of a building or a region. Such images, presented on multi-dimensional computer driven display devices have associated therewith directional indicating indicia, such as a compass-like image, which seamlessly provide visual and spatial directional information to a viewer even as the images are being rotated or enlarged, such as by zooming into a specific space of the building or region.
    Type: Application
    Filed: December 27, 2007
    Publication date: July 2, 2009
    Inventors: Zhang YaJun, Janet Jin, Enyi Chen, Rui Zhang, Thomas A. Plocher
  • Semiconductive roller
    Publication number: 20070041752
    Abstract: A semiconductive roller comprising a toner-transporting portion whose outermost layer is formed essentially of resin or rubber, wherein the resin or the rubber includes resin or rubber having chlorine atoms and 3 to 60 parts by mass of titanium oxide for 100 parts by mass of the resin or the rubber having the chlorine atoms.
    Type: Application
    Filed: July 31, 2006
    Publication date: February 22, 2007
    Inventors: Yoshihisa Mizumoto, Noriaki Hitomi, Hirotoshi Murakami, Zhang Yajun