Patents by Inventor Xianhua Yang

Xianhua Yang 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).

  • Fractal loop antenna
    Patent number: 6300914
    Abstract: A reduced size wideband antenna operates at multiple frequency bands. The antenna is formed from a plurality of fractal elements either cascade connected, series connected or parallel connected. The fractal elements of the antenna structure repeat a specific geometric shape.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: October 9, 2001
    Assignee: APTI, Inc.
    Inventor: Xianhua Yang
  • Tire
    Patent number: D867275
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: November 19, 2019
    Assignee: Tongli Tyre Co., Ltd.
    Inventors: Xianhua Yang, DongHai Zhao, ZhiSheng Tian