Patents by Inventor Tatsuki Goto

Tatsuki Goto 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).

  • Stepping motor and fan having the same
    Patent number: 7605501
    Abstract: A stepping motor includes: a stator including a coil that is wound so as to form a hollow space; a rotor including a magnet to be disposed in the hollow space of the coil, the rotor being rotationally driven by changing magnetic poles of the stator; and a magnetic member that is disposed adjacent to the coil so that a direction of a polarity of the magnet and a direction of a winding axis of the coil in a stable position of the magnet cross each other when the coil is excited or when not excited.
    Type: Grant
    Filed: March 28, 2006
    Date of Patent: October 20, 2009
    Assignee: Nidec Copal Corporation
    Inventors: Tatsuki Goto, Takashi Kasahara
  • Stepping motor and fan having the same
    Publication number: 20060220475
    Abstract: A stepping motor includes: a stator including a coil that is wound so as to form a hollow space; a rotor including a magnet to be disposed in the hollow space of the coil, the rotor being rotationally driven by changing magnetic poles of the stator; and a magnetic member that is disposed adjacent to the coil so that a direction of a polarity of the magnet and a direction of a winding axis of the coil in a stable position of the magnet cross each other when the coil is excited or when not excited.
    Type: Application
    Filed: March 28, 2006
    Publication date: October 5, 2006
    Applicant: NIDEC COPAL CORPORATION
    Inventors: Tatsuki Goto, Takashi Kasahara