Patents by Inventor Norikazu Taguchi

Norikazu Taguchi 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).

  • Stator of electric motor
    Patent number: 4818911
    Abstract: A stator of an electric motor provides pole retaining portions which retain the poles therein and are radially project at their end portions towards the outer periphery in a ring shape, whereby winding operations around the outer surface of the pole retaining portion are performed from the outside without any restriction, thus allowing a small-sized motor stator to be easily manufactured.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: April 4, 1989
    Assignee: ASMO Co., Ltd.
    Inventors: Norikazu Taguchi, Hirozumi Nishizaki, Hisashi Masui, toshiyasu Ishizuka
  • Fractional horsepower brushless direct current motor
    Patent number: 4008422
    Abstract: An improved maintenance free fractional horsepower brushless direct current motor of the solid state switching circuit type wherein a rotational transducer secured to the motor shaft cooperates with each of the three detecting coils provided within a stator of the motor to excite each of the three stationary windings in order to revolve the motor into a predetermined direction.
    Type: Grant
    Filed: October 18, 1974
    Date of Patent: February 15, 1977
    Assignee: Tanaka Instrument Co., Ltd.
    Inventors: Kinzo Sodekoda, Norikazu Taguchi