Patents by Inventor Hirohide Yamamoto

Hirohide Yamamoto 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).

  • Range shifter and particle radiotherapy device
    Patent number: 9180313
    Abstract: There is provided a range shifter which includes a transmissive plate whose thickness has been adjusted depending on a setup value of an amount of energy to be attenuated, and a holder portion that holds the transmissive plate, wherein the thickness of the transmissive plate is adjusted to be a thickness equivalent to an attenuation amount lower than the setup value by a predetermined rate thereof; and wherein, a superimposing mechanism capable of releasably superimposing an adjustment sheet over the transmissive plate, is provided to at least one of the transmissive plate and the holder portion, the adjustment sheet being adjusted to have a thickness equal to or less than a thickness equivalent to a two-fold attenuation amount of the predetermined rate.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: November 10, 2015
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hirohide Yamamoto, Takeshi Hagino, Hiromitsu Inoue
  • RANGE SHIFTER AND PARTICLE RADIOTHERAPY DEVICE
    Publication number: 20150031933
    Abstract: There is provided a range shifter which includes a transmissive plate whose thickness has been adjusted depending on a setup value of an amount of energy to be attenuated, and a holder portion that holds the transmissive plate, wherein the thickness of the transmissive plate is adjusted to be a thickness equivalent to an attenuation amount lower than the setup value by a predetermined rate thereof; and wherein, a superimposing mechanism capable of releasably superimposing an adjustment sheet over the transmissive plate, is provided to at least one of the transmissive plate and the holder portion, the adjustment sheet being adjusted to have a thickness equal to or less than a thickness equivalent to a two-fold attenuation amount of the predetermined rate.
    Type: Application
    Filed: February 22, 2012
    Publication date: January 29, 2015
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hirohide Yamamoto, Takeshi Hagino, Hiromitsu Inoue