Patents by Inventor Masaki Nagashio

Masaki Nagashio 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: 7889333
    Abstract: A visual inspection system for ceramic balls inspects flaws in the surface of ceramic balls, and includes an oil tank holding oil, a rotation device for rotating a ceramic ball targeted for inspection that is immersed in the oil in the oil tank, so that detection of the ceramic ball is possible along a meridian, an imaging means for imaging the entire surface of the ceramic ball rotated by the rotation device, an image processing means for image processing an image imaged by the imaging means, and an assessing means for assessing the presence of flaws in the ceramic ball based on image data resulting from the image processing.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: February 15, 2011
    Assignee: Amatsuji Steel Ball Mfg. Co., Ltd.
    Inventor: Masaki Nagashio
  • Publication number: 20080050005
    Abstract: A visual inspection system for ceramic balls according to one embodiment of the present invention inspects flaws in the surface of ceramic balls, and includes an oil tank holding oil, a rotation device for rotating a ceramic ball targeted for inspection that is immersed in the oil in the oil tank, so that detection of the ceramic ball is possible along a meridian, an imaging means for imaging the entire surface of the ceramic ball rotated by the rotation device, an image processing means for image processing an image imaged by the imaging means, and an assessing means for assessing the presence of flaws in the ceramic ball based on image data resulting from the image processing.
    Type: Application
    Filed: October 31, 2006
    Publication date: February 28, 2008
    Inventor: Masaki Nagashio