Patents by Inventor Shanpei Liu

Shanpei Liu 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).

  • Plasma resonant cavity
    Patent number: 9282625
    Abstract: A plasma resonant cavity, including a cylindrical resonant cavity casing, cutoff waveguides, and a waveguide inlet circumferentially formed on the cylindrical resonant cavity casing. The cutoff waveguides are arranged at two ends of the cylindrical resonant cavity casing and employ a movable end cover structure. An intermediate through hole is formed on each cutoff waveguide with the movable end cover structure, and a raised round table is arranged on an inner end surface of the cutoff waveguide and configured with the resonant cavity.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: March 8, 2016
    Assignee: YANGTZE OPTICAL FIBRE AND CABLE COMPANY, LTD.
    Inventors: Zhenyu Li, Songtao Lu, Shanpei Liu, Shengya Long, Gaoqing Lei, Yongtao Liu