Patents by Inventor Genki URABE

Genki URABE 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).

  • Rotary electric machine and rotor core manufacturing method
    Patent number: 10594177
    Abstract: A rotary electric machine comprises a rotor core and a plurality of permanent magnets embedded in the rotor core along a circumferential direction of the rotor core. The rotor core includes a magnetic pole portion disposed between two permanent magnets adjoining along the circumferential direction of the rotor core. The magnetic pole portion includes a circular arc surface whose cross-sectional shape in a direction perpendicular to an axial direction of the rotor core is a circular arc shape differing in curvature from an outer circumferential circle which is a circumference of a maximum outer diameter portion of the rotor core.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: March 17, 2020
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Isao Nakagawa, Genki Urabe
  • ROTARY ELECTRIC MACHINE AND ROTOR CORE MANUFACTURING METHOD
    Publication number: 20170104376
    Abstract: A rotary electric machine comprises a rotor core and a plurality of permanent magnets embedded in the rotor core along a circumferential direction of the rotor core. The rotor core includes a magnetic pole portion disposed between two permanent magnets adjoining along the circumferential direction of the rotor core.
    Type: Application
    Filed: October 12, 2016
    Publication date: April 13, 2017
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Isao NAKAGAWA, Genki URABE