Patents by Inventor Naoki TABIRA

Naoki TABIRA 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).

  • DC brushless motor including cover portion with fan blades
    Patent number: 9800116
    Abstract: A DC brushless motor includes a housing including a plurality of attachment portions each of which is arranged to extend toward an apparatus, a base portion joined to the attachment portions, and a bearing holding portion joined to the base portion; a bearing member held by the bearing holding portion; a shaft supported by the bearing member to be rotatable about a central axis, and including a portion on one axial side to which blades that perform stirring in a heating chamber are joinable; a rotor holder fixed to the shaft; a rotor magnet held on an inside of a cylindrical portion of the rotor holder; a stator arranged radially inside the rotor magnet; and a circuit board electrically connected with the stator, and arranged axially opposite the opening of the rotor holder.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: October 24, 2017
    Assignee: NIDEC CORPORATION
    Inventors: Yusuke Iwai, Naoki Tabira, Yosuke Kawano
  • DC BRUSHLESS MOTOR
    Publication number: 20140265739
    Abstract: A DC brushless motor includes a housing including a plurality of attachment portions each of which is arranged to extend toward an apparatus, a base portion joined to the attachment portions, and a bearing holding portion joined to the base portion; a bearing member held by the bearing holding portion; a shaft supported by the bearing member to be rotatable about a central axis, and including a portion on one axial side to which blades that perform stirring in a heating chamber are joinable; a rotor holder fixed to the shaft; a rotor magnet held on an inside of a cylindrical portion of the rotor holder; a stator arranged radially inside the rotor magnet; and a circuit board electrically connected with the stator, and arranged axially opposite the opening of the rotor holder.
    Type: Application
    Filed: March 6, 2014
    Publication date: September 18, 2014
    Applicant: NIDEC CORPORATION
    Inventors: Yusuke IWAI, Naoki TABIRA, Yosuke KAWANO