Patents by Inventor Kiyonobu Agata

Kiyonobu Agata 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).

  • Cutting tool
    Patent number: 7631586
    Abstract: The present invention provides a cutting tool which can easily prevent damage from occurring at the slit end formed on a sheet material, such as a corrugated sheet or the like.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: December 15, 2009
    Assignee: Kinki Knives Industries Ltd.
    Inventors: Kiyonobu Agata, Kozo Agata
  • Cutting tool
    Publication number: 20060156891
    Abstract: The present invention provides a cutting tool which can easily prevent damage from occurring at the slit end formed on a sheet material, such as a corrugated sheet or the like.
    Type: Application
    Filed: November 19, 2004
    Publication date: July 20, 2006
    Applicant: KINKI KNIVES INDUSTRIES LTD.,
    Inventors: Kiyonobu Agata, Kozo Agata