Patents by Inventor Ryoma SASAKI

Ryoma SASAKI 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).

  • Motor member, motor, and method for manufacturing motor member
    Patent number: 12040658
    Abstract: A motor armature includes a laminated body including a stack of magnetic bodies each having an annular and plate shape, an extended body that opposes an opposing peripheral surface that is at least one of an inner peripheral surface and an outer peripheral surface of the laminated body and extends along a stacking direction of the magnetic bodies, and a holder stacked on the laminated body in the stacking direction to hold the laminated body. The holder includes a plate portion that extends along the laminated body and has higher rigidity than the magnetic bodies, and a sleeve portion that extends in contact with the extended body.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: July 16, 2024
    Assignee: NIDEC CORPORATION
    Inventors: Shigeru Maeda, Ryoma Sasaki
  • MOTOR MEMBER, MOTOR, AND METHOD FOR MANUFACTURING MOTOR MEMBER
    Publication number: 20220239167
    Abstract: A motor armature includes a laminated body including a stack of magnetic bodies each having an annular and plate shape, an extended body that opposes an opposing peripheral surface that is at least one of an inner peripheral surface and an outer peripheral surface of the laminated body and extends along a stacking direction of the magnetic bodies, and a holder stacked on the laminated body in the stacking direction to hold the laminated body. The holder includes a plate portion that extends along the laminated body and has higher rigidity than the magnetic bodies, and a sleeve portion that extends in contact with the extended body.
    Type: Application
    Filed: July 13, 2020
    Publication date: July 28, 2022
    Inventors: Shigeru MAEDA, Ryoma SASAKI