Patents by Inventor Takanori Yazawa

Takanori Yazawa 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 methods and cutting apparatus
    Patent number: 8205534
    Abstract: The present invention provides cutting methods and cutting apparatus that can precisely cut workpieces in complicated shapes with high aspect ratios regardless of materials of the workpieces. The present invention is cutting methods and cutting apparatus using a wire saw wherein cutting processing is performed for a workpiece by extending a cutting wire on a cutting arm that rotates around a wire's center axis or a real cutting position relative to a fixed section and rotating the cutting arm such that a cutting direction of the wire matches a support direction of a total stiffness that supports the wire.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: June 26, 2012
    Assignee: Nagasaki University
    Inventors: Takanori Yazawa, Keiichi Ishikawa, Kou Mineta
  • Cutting Methods and Cutting Apparatus
    Publication number: 20090320658
    Abstract: The present invention provides cutting methods and cutting apparatus that can precisely cut workpieces in complicated shapes with high aspect ratios regardless of materials of the workpieces. The present invention is cutting methods and cutting apparatus using a wire saw wherein cutting processing is performed for a workpiece by extending a cutting wire on a cutting arm that rotates around a wire's center axis or a real cutting position relative to a fixed section and rotating the cutting arm such that a cutting direction of the wire matches a support direction of a total stiffness that supports the wire.
    Type: Application
    Filed: June 27, 2007
    Publication date: December 31, 2009
    Applicant: Nagasaki University
    Inventors: Takanori Yazawa, Keiichi Ishikawa, Kou Mineta