Patents by Inventor Rai Ko S.F. Sun

Rai Ko S.F. Sun 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).

  • High energy neutron dosimeter
    Patent number: 5278417
    Abstract: A device for measuring dose equivalents in neutron radiation fields. The device includes nested symmetrical hemispheres (forming spheres) of different neutron moderating materials that allow the measurement of dose equivalents from 0.025 eV to past 1 GeV. The layers of moderating material surround a spherical neutron counter. The neutron counter is connected by an electrical cable to an electrical sensing means which interprets the signal from the neutron counter in the center of the moderating spheres. The spherical shape of the device allows for accurate measurement of dose equivalents regardless of its positioning.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: January 11, 1994
    Assignee: The Regents of the University of California
    Inventor: Rai Ko S.F. Sun