Patents by Inventor Yohei TERASAKA

Yohei TERASAKA 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).

  • Electron beam irradiating device
    Patent number: 10720256
    Abstract: Provided is an electron beam irradiating device capable of emitting an electron beam from an electron beam generation source surrounded by a vacuum chamber to outside of the vacuum chamber through an electron beam exit window. The electron beam exit window includes: a grid; a window foil allowing the electron beam to pass therethrough; and a frame-shaped pressing member pressing the window foil against the grid. The surface of the grid has a groove section having an annular shape. A metal gasket is pressed between the groove section and the window foil.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: July 21, 2020
    Assignee: HITACHI ZOSEN CORPORATION
    Inventors: Hiroyuki Daiku, Ichiro Sakai, Norihiro Inoue, Yohei Terasaka
  • ELECTRON BEAM IRRADIATING DEVICE
    Publication number: 20190287693
    Abstract: Provided is an electron beam irradiating device capable of emitting an electron beam from an electron beam generation source surrounded by a vacuum chamber to outside of the vacuum chamber through an electron beam exit window. The electron beam exit window includes: a grid; a window foil allowing the electron beam to pass therethrough; and a frame-shaped pressing member pressing the window foil against the grid. The surface of the grid has a groove section having an annular shape. A metal gasket is pressed between the groove section and the window foil.
    Type: Application
    Filed: November 2, 2017
    Publication date: September 19, 2019
    Inventors: Hiroyuki DAIKU, Ichiro SAKAI, Norihiro INOUE, Yohei TERASAKA