Patents by Inventor Toan Van DOAN

Toan Van DOAN 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).

  • Patent number: 10886816
    Abstract: A power tool including a brushless motor having a sensor circuit board has higher durability. The power tool includes a housing, a brushless motor including a rotor having a rotational shaft, a stator, and a sensor circuit board fixed to the stator and having a rotation detecting element that detects rotation of the rotor, and receiving the rotational shaft through the sensor circuit board, and a bearing held in the housing and supporting the rotational shaft. The bearing is located to overlap the rotation detecting element in an axial direction of the rotational shaft.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: January 5, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Toan Van Doan, Motohiro Omura, Tatsuya Nagahama
  • Patent number: 10848032
    Abstract: A power tool including a brushless motor having a sensor circuit board has higher durability. The power tool includes a housing, a brushless motor including a rotor having a rotational shaft, a stator, and a sensor circuit board fixed to the stator and having a rotation detecting element that detects rotation of the rotor, and receiving the rotational shaft through the sensor circuit board, and a bearing held in the housing and supporting the rotational shaft. The bearing is located to overlap the rotation detecting element in an axial direction of the rotational shaft.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: November 24, 2020
    Assignee: MAKITA CORPORATION
    Inventors: Toan Van Doan, Motohiro Omura, Tatsuya Nagahama
  • Publication number: 20180241281
    Abstract: A power tool including a brushless motor having a sensor circuit board has higher durability. The power tool includes a housing, a brushless motor including a rotor having a rotational shaft, a stator, and a sensor circuit board fixed to the stator and having a rotation detecting element that detects rotation of the rotor, and receiving the rotational shaft through the sensor circuit board, and a bearing held in the housing and supporting the rotational shaft. The bearing is located to overlap the rotation detecting element in an axial direction of the rotational shaft.
    Type: Application
    Filed: January 18, 2018
    Publication date: August 23, 2018
    Applicant: MAKITA CORPORATION
    Inventors: Toan Van DOAN, Motohiro OMURA, Tatsuya NAGAHAMA