Patents by Inventor Nadao Matsuyama

Nadao Matsuyama 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).

  • Measuring jig
    Patent number: 11060839
    Abstract: In a measuring jig for measuring an inner diameter of a valve hole portion formed coaxially with a guide hole, the measuring jig includes: an insertion shaft inserted into the guide hole; and a measuring instrument having a probe that is disposed around an axis of the insertion shaft and that is brought into contact with an inner wall of the valve hole portion. The inner diameter of the valve hole portion is measured by way of the probe by turning the measuring instrument about the axis, and the measuring instrument is disposed on the axis.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: July 13, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Shigeru Fukaura, Nadao Matsuyama
  • MEASURING JIG
    Publication number: 20200049478
    Abstract: In a measuring jig for measuring an inner diameter of a valve hole portion formed coaxially with a guide hole, the measuring jig includes: an insertion shaft inserted into the guide hole; and a measuring instrument having a probe that is disposed around an axis of the insertion shaft and that is brought into contact with an inner wall of the valve hole portion. The inner diameter of the valve hole portion is measured by way of the probe by turning the measuring instrument about the axis, and the measuring instrument is disposed on the axis.
    Type: Application
    Filed: July 11, 2019
    Publication date: February 13, 2020
    Inventors: Shigeru Fukaura, Nadao Matsuyama