Patents by Inventor Kazuhi MATSUGATANI

Kazuhi MATSUGATANI 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).

  • Brush device, motor, and method for manufacturing brush device
    Patent number: 11515759
    Abstract: A brush device includes a holder, a brush, a choke coil, and a terminal member. The holder includes a base extending in a direction orthogonal to an axial direction of an armature. The choke coil includes a core and a winding. The core extends in the axial direction of the armature and includes a first end surface in a longitudinal direction faced toward the base of the holder and a second end surface in the longitudinal direction located at a side opposite to the first end surface. The terminal member is coupled to the holder and connected to the winding. The terminal member includes a contact portion that is in contact with the second end surface of the core.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: November 29, 2022
    Assignee: DENSO CORPORATION
    Inventors: Kazuhi Matsugatani, Kenta Goto
  • BRUSH DEVICE, MOTOR, AND METHOD FOR MANUFACTURING BRUSH DEVICE
    Publication number: 20210067008
    Abstract: A brush device includes a holder, a brush, a choke coil, and a terminal member. The holder includes a base extending in a direction orthogonal to an axial direction of an armature. The choke coil includes a core and a winding. The core extends in the axial direction of the armature and includes a first end surface in a longitudinal direction faced toward the base of the holder and a second end surface in the longitudinal direction located at a side opposite to the first end surface. The terminal member is coupled to the holder and connected to the winding. The terminal member includes a contact portion that is in contact with the second end surface of the core.
    Type: Application
    Filed: January 25, 2019
    Publication date: March 4, 2021
    Applicant: DENSO CORPORATION
    Inventors: Kazuhi MATSUGATANI, Kenta GOTO