Patents by Inventor Kazumi Fukumoto

Kazumi Fukumoto 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).

  • Ion beam irradiating apparatus including ion neutralizer
    Patent number: 4886971
    Abstract: In an ion beam irradiating apparatus, a specified ion beam is first deflected in a deflection direction perpendicular to an ion beam orbit by an ion beam deflector. The deflected ion beam is neutralized by a thermoelectron beam emitted from a filament of an ion neutralizer. An electrode is employed to control the supply of the thermoelectron beam to the deflected ion beam. Both the filament and control electrode elongated along the deflection direction surround the deflected ion beam traveled along the ion beam orbit.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: December 12, 1989
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yasushi Matsumura, Akira Shuhara, Shigeo Sasaki, Kazumi Fukumoto, Hitoshi Takeya