Patents by Inventor Shoji Aiba

Shoji Aiba 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).

  • Magnet apparatus
    Patent number: 4611121
    Abstract: Magnet apparatus for providing a magnetic field having a gradient in an operation chamber comprising a cylindrical permanent magnet surrounding an outer periphery of the operation chamber and having opposite ends and a hollow interior, and a subsidiary yoke at one of the ends, the subsidiary yoke having a cylindrical portion extending into the hollow interior. The subsidiary yoke can include a flange portion. The cylindrical portion is inserted through the flange portion and fixed thereto with bolts. The permanent magnet can be made of Ba-ferrite, Sr-ferrite or the like.
    Type: Grant
    Filed: April 18, 1984
    Date of Patent: September 9, 1986
    Assignees: Nihon Shinku Gijutsu Kabushiki Kaisha, Daido Tokushuko Kabushiki Kaisha
    Inventors: Masao Miyamura, Osamu Tsukakoshi, Yoshio Kamata, Shoji Aiba