Patents by Inventor Seigo Kanba

Seigo Kanba 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).

  • Patent number: 5223669
    Abstract: A magnet roll comprising a permanent-magnet member having a plurality of magnet poles extending axially on the outer circumferential surface thereof, and a hollow cylindrical sleeve, made of a non-magnetic material, both constructed in mutually rotatable fashion via a flange provided on both ends thereof; the surface of the sleeve being coated with a stainless-steel metal-spraying material containing more than 20% chromium.
    Type: Grant
    Filed: October 23, 1991
    Date of Patent: June 29, 1993
    Assignee: Hitachi Metals, Ltd.
    Inventors: Seigo Kanba, Yasuo Sawano, Tadashi Aihara, Takashi Miyaji, Yoshikazu Nishikawa