Patents by Inventor Masashi Ooya

Masashi Ooya 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).

  • Charged particle accelerator apparatus and electronic sterilizer apparatus using the same
    Patent number: 5849252
    Abstract: An electron beam emitted from an electron gun enters into an accelerator 8 through a magnetic lens and is accelerated by a large number of accelerating tube discs within the accelerator, resonance cavities formed thereby and a magnetic field supplied from the outside. Then, it is focused by a focusing magnet and enters into an energy analyzer and scanned by a beam scanner, and is irradiated as a beam onto a sterilization goods item. On the outside of the accelerator there is disposed a cooling jacket for making uniform the thermal expansions of the resonance cavities due to thermal load.
    Type: Grant
    Filed: March 5, 1996
    Date of Patent: December 15, 1998
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Ikuo Wakamoto, Masashi Ooya, Ichiro Yamashita, Susumu Urano, Yuichiro Kamino, Naoki Hisanaga