Patents by Inventor Kaniti Isii

Kaniti Isii 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).

  • Magneto device for generating signals
    Patent number: 4564776
    Abstract: A magneto device for generating signals comprises a rotor including a permanent magnet and a pole piece which are secured to a rotary body, and a stator including a stationary pole piece and a signal output coil. Formed in the outer periphery of the rotary body is a recess in which the permanent magnet and the pole piece are inserted in this order. A cylindrical key member made of a non-magnetic metal is inserted in an annular space between the wall of the recess and the permanent magnet and pole piece. The key member is plastically deformed by pressing to secure the permanent magnet and pole piece to the rotary body.
    Type: Grant
    Filed: June 22, 1983
    Date of Patent: January 14, 1986
    Assignee: Hitachi, Ltd.
    Inventors: Tosio Tomite, Nobuhiko Ogasawara, Kaniti Isii, Hisanobu Kanamaru
  • Method for producing a magneto device for generating signals
    Patent number: 4403402
    Abstract: A magneto device for generating signals comprises a rotor including a permanent magnet and a pole piece which are secured to a rotary body, and a stator including a stationary pole piece and a signal output coil. Formed in the outer periphery of the rotary body is a recess in which the permanent magnet and the pole piece are inserted in this order. A cylindrical key member made of a non-magnetic metal is inserted in an annular space between the wall of the recess and the permanent magnet and pole piece. The key member is plastically deformed by pressing to secure the permanent magnet and pole piece to the rotary body.
    Type: Grant
    Filed: June 6, 1979
    Date of Patent: September 13, 1983
    Assignee: Hitachi, Ltd.
    Inventors: Tosio Tomite, Nobuhiko Ogasawara, Kaniti Isii, Hisanobu Kanamaru