Patents by Inventor Takezi Ohara

Takezi Ohara 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).

  • Radio noise suppression device for a commutator motor
    Patent number: 4429241
    Abstract: A commutator motor having a radio noise preventing device, where a common ground terminal of radio noise preventing capacitors is connected to a stator core. The stator core has two opposed arcuately faced poles around which field windings are respectively wound. A pair of non-magnetic metal pieces are provided between the poles in opposing relation, so that they surround an armature with the poles.
    Type: Grant
    Filed: May 30, 1979
    Date of Patent: January 31, 1984
    Assignee: Ryobi Ltd.
    Inventors: Takezi Ohara, Yasuhisa Kodama