Patents by Inventor Fumihiko Kashima

Fumihiko Kashima 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).

  • Septum magnet and particle beam therapy system
    Patent number: 8884256
    Abstract: A septum magnet includes a yoke that can be separated at the approximately center portion thereof in the axis direction; a septum coil; a return coil; and a vacuum duct that is inserted between the septum coil and the return coil. The septum coil is formed in such a way as to be able to be separated into a first portion and a second portion in response to separation of the yoke; and in a space between the septum coil and the vacuum duct, there is provided an auxiliary coil, in two portions of which, corresponding to the first portion and the second portion of the septum coil, electric currents flow in opposite direction to each other in a circumferential direction.
    Type: Grant
    Filed: February 13, 2012
    Date of Patent: November 11, 2014
    Assignee: Mitsubishi Electric Corporation
    Inventors: Kengo Sugahara, Katsuhisa Yoshida, Toshihiro Otani, Shinichi Masuno, Fumihiko Kashima
  • SEPTUM MAGNET AND PARTICLE BEAM THERAPY SYSTEM
    Publication number: 20130207001
    Abstract: A septum magnet includes a yoke that can be separated at the approximately center portion thereof in the axis direction; a septum coil; a return coil; and a vacuum duct that is inserted between the septum coil and the return coil. The septum coil is formed in such a way as to be able to be separated into a first portion and a second portion in response to separation of the yoke; and in a space between the septum coil and the vacuum duct, there is provided an auxiliary coil, in two portions of which, corresponding to the first portion and the second portion of the septum coil, electric currents flow in opposite direction to each other in a circumferential direction.
    Type: Application
    Filed: February 13, 2012
    Publication date: August 15, 2013
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kengo Sugahara, Katsuhisa Yoshida, Toshihiro Otani, Shinichi Masuno, Fumihiko Kashima