Patents by Inventor Shoichi Takei

Shoichi Takei 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).

  • Fan in which motor yoke is mounted on a motor shaft by caulking or spot welding
    Patent number: 6786706
    Abstract: A fan in which, on one end of the motor shaft 6 a stepped portion 19 having a small diameter is formed, on which a central portion of the motor yoke 11 is press-fitted and fixed by caulking, thereby the motor yoke is mounted directly on the shaft 6. By such a structure, the conventional boss between the shaft 6 and the motor yoke 11 can be omitted and the structure can be simplified.
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: September 7, 2004
    Assignee: Minebea Co., Ltd.
    Inventors: Kiyoshi Shinokubo, Shoichi Takei
  • Fan in which motor yoke is mounted by caulking or spot welding and the mounting method thereof
    Publication number: 20030039560
    Abstract: A fan in which, on one end of the motor shaft 6 a stepped portion 19 having a small diameter is formed, on which a central portion of the motor yoke 11 is press-fitted and fixed by caulking, thereby the motor yoke is mounted directly on the shaft 6. By such a structure, the conventional boss between the shaft 6 and the motor yoke 11 can be omitted and the structure can be simplified.
    Type: Application
    Filed: October 15, 2002
    Publication date: February 27, 2003
    Applicant: Minebea Co., Ltd.
    Inventors: Kiyoshi Shinokubo, Shoichi Takei
  • Fan in which motor yoke is mounted by caulking or spot welding and the mounting method thereof
    Patent number: 6511299
    Abstract: A fan in which, on one end of the motor shaft 6 a stepped portion 19 having a small diameter is formed, on which a central portion of the motor yoke 11 is press-fitted and fixed by caulking, thereby the motor yoke is mounted directly on the shaft 6. By such a structure, the conventional boss between the shaft 6 and the motor yoke 11 can be omitted and the structure can be simplified.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: January 28, 2003
    Assignee: Minebea Co., Ltd.
    Inventors: Kiyoshi Shinokubo, Shoichi Takei