Patents by Inventor Ryoji NAGASHIMA

Ryoji NAGASHIMA 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).

  • Publication number: 20140364986
    Abstract: A robot system capable of accurately measuring assembly accuracy of a workpiece formed to include a rotation shaft is provided. To implement such a robot system, a robot system according to an aspect of the present embodiment includes a robot and an accuracy measurement device. The robot transfers a workpiece formed to include a rotation shaft. The accuracy measurement device holds the rotation shaft of the workpiece transferred by the robot to be substantially parallel to the vertical direction, and measures assembly accuracy of the workpiece while rotating the rotation shaft to rotate the whole of the workpiece.
    Type: Application
    Filed: August 27, 2014
    Publication date: December 11, 2014
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takeshi OKAMOTO, Kenichi MOTONAGA, Jun MATSUMURA, Teruhisa KITAGAWA, Ryoji NAGASHIMA