Patents by Inventor Yoshikiyo Kagawa

Yoshikiyo Kagawa 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).

  • Sheet-like product inspecting method and device
    Patent number: 8289386
    Abstract: Object: To provide an inspecting method and device which can distinguish black dirt, non-black dirt and a tear, without determining a pattern as a defect, in a defect inspection of dirt, a tear, a deformed shape, etc. in sheet-like products having differences in color reproducibility (such as variations, color unevenness and/or color fading).
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: October 16, 2012
    Assignee: Purex Corporation
    Inventor: Yoshikiyo Kagawa
  • SHEET-LIKE PRODUCT INSPECTING METHOD AND DEVICE
    Publication number: 20100110173
    Abstract: Object: To provide an inspecting method and device which can distinguish black dirt, non-black dirt and a tear, without determining a pattern as a defect, in a defect inspection of dirt, a tear, a deformed shape, etc. in sheet-like products having differences in color reproducibility (such as variations, color unevenness and/or color fading).
    Type: Application
    Filed: April 4, 2007
    Publication date: May 6, 2010
    Applicant: PUREX CORPORATION
    Inventor: Yoshikiyo Kagawa