Patents by Inventor James R. Ewton

James R. Ewton 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).

  • Computer-controlled miniature multileaf collimator
    Patent number: 5555283
    Abstract: This invention relates to the field of miniature multileaf collimators for use in shaping a radiation beam used in stereotactic radiosurgery And radiotherapy. More particularly, the present invention relates to the use of a computer-controlled miniature multileaf collimator capable of shaping a radiation beam for use in optimal treatment of nonspherical lesions by radiosurgery and radiotherapy.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: September 10, 1996
    Assignee: Board of Regents of the University of Texas System
    Inventors: Almon S. Shiu, James R. Ewton, Henry E. Rittichier, Jeremy Wong, Samuel S. Tung