Patents by Inventor Steven Ho-Chong Wong

Steven Ho-Chong Wong 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).

  • Unified shimming for magnetic resonance superconducting magnets
    Patent number: 6181137
    Abstract: A method for shimming a magnetic resonance imaging magnet requiring higher magnetic field homogneity on a small imaging volume and by magnetic field measurements on a larger volume providing small measurement error and practical field strength measurements and utilizing the spherical harmonic coefficients of the measurements.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: January 30, 2001
    Assignee: General Electric Company
    Inventors: Timothy John Havens, Xianrui Huang, Robert Sethfield Smith, Steven Ho-Chong Wong, Michele Ogle, Bu-Xin Xu, Minfeng Xu
  • Resonance imager mobile van magnetic field homogeneity shift compensation
    Patent number: 5973582
    Abstract: In the installation of a superconducting magnet for magnetic resonance imaging at a preselected position in a mobile van, preselected curvilinear magnetic segments are applied to preselected locations on the exterior of the magnet to counteract magnet inhomogeneities in the imaging bore which would otherwise occur because of magnetic material in the van structure.
    Type: Grant
    Filed: November 18, 1998
    Date of Patent: October 26, 1999
    Assignee: General Electric Company
    Inventors: Timothy John Havens, Chung-Yih Ho, Xianrui Huang, Steven Ho-Chong Wong, Bu-Xin Xu, Minfeng Xu