Patents by Inventor Shinitirou Ito

Shinitirou Ito 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).

  • Core for deflecting yoke
    Patent number: 6281623
    Abstract: A core for a deflecting yoke for a CRT includes a first aperture at a neck portion side having a circular configuration, and a second aperture at a funnel portion side, an inner periphery of the second aperture at an edge surface thereof having two major sides and two minor sides. The major sides contain a first circular segment of which a radius is 200 mm or larger and has a radius of which a center exists off a center of the funnel portion and an amount at which the first circular segment occupies the major sides is over 50%. The minor sides contain a second circular segment of which a radius is 100 mm or larger and has a radius of which a center exists off a center of the funnel portion and an amount at which the second circular segment occupies the minor sides is over 40%. The two major sides and the minor sides are tangential to circular segments at four corners thereof.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: August 28, 2001
    Assignee: TDK Corporation
    Inventors: Hidekazu Suzuki, Kazuyuki Iimura, Nobuya Kashiwaba, Yukiharu Kinoshita, Shinitirou Ito, Hitoshi Iwaya