Patents by Inventor Ryo Kanakubo

Ryo Kanakubo 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: 11565364
    Abstract: A polishing device for a welding tip includes a cylindrical holder; and a polishing unit. The polishing unit includes a blade configured to polish a welding tip. The blade polishes the welding tip due to rotation of the polishing unit. The holder includes a groove extending along an entire inner circumference of the holder. The groove includes axial groove portions each of which extends along an axis of the holder, and inclined groove portions each of which extends for a specified first distance and is inclined in one direction with respect to the axial groove portions. The axial groove portions and the inclined groove portions are alternately arranged. The polishing unit includes projected portions each of which extends to an inside of the groove, and the number of the projected portions is two or more and is equal to or less than the number of the axial groove portions.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: January 31, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshihiro Iwano, Ryo Kanakubo, Shougo Sanda
  • Publication number: 20200094366
    Abstract: A polishing device for a welding tip includes a cylindrical holder; and a polishing unit. The polishing unit includes a blade configured to polish a welding tip. The blade polishes the welding tip due to rotation of the polishing unit. The holder includes a groove extending along an entire inner circumference of the holder. The groove includes axial groove portions each of which extends along an axis of the holder, and inclined groove portions each of which extends for a specified first distance and is inclined in one direction with respect to the axial groove portions. The axial groove portions and the inclined groove portions are alternately arranged. The polishing unit includes projected portions each of which extends to an inside of the groove, and the number of the projected portions is two or more and is equal to or less than the number of the axial groove portions.
    Type: Application
    Filed: August 26, 2019
    Publication date: March 26, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshihiro Iwano, Ryo Kanakubo, Shougo Sanda