Patents by Inventor Jiajin Fan

Jiajin Fan 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).

  • SHIELDING FOR COMPACT RADIATION SOURCES
    Publication number: 20110198516
    Abstract: Disclosed are radiation shields substantially enclosing a source of polyenergetic positive ions. The shielding layers are spatially arranged to absorb substantially all unwanted radiation arising directly or indirectly from the polyenergetic positive Also disclosed are methods of shielding unwanted radiation leaking from a system providing a therapeutic dose of polyenergetic positive radiation, as well as shielded polyenergetic positive ion selection systems.
    Type: Application
    Filed: October 1, 2008
    Publication date: August 18, 2011
    Applicant: Fox Chase Cancer Center
    Inventors: Jiajin Fan, Chang Ming Ma