Patents by Inventor Hirofumi Kakiuchi

Hirofumi Kakiuchi 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).

  • Jig for measuring an object shape and method for measuring a three-dimensional shape
    Patent number: 7869060
    Abstract: A jig for measuring an object shape includes a plate having a first surface and a second surface opposed to the first plate and two reference balls fixed to the plate, each ball surface being exposed on both the first and second surfaces. A reference plane is fixed to the plate, the reference plane having a first plane and a second plane that are parallel to each other, the first and second planes being exposed on the first and second surfaces of the plate, respectively. An object-holding portion is fixed to the plate, the object-holding portion having a hole passing through the plate, the object-holding portion being able to hold an object in the hole with the front and back surfaces of the object being exposed on the first and second surfaces of the plate, respectively.
    Type: Grant
    Filed: May 29, 2009
    Date of Patent: January 11, 2011
    Assignee: Mitutoyo Corporation
    Inventors: Kotaro Hirano, Hirofumi Kakiuchi, Yoshiyuki Omori
  • Jig for measuring an object shape and method for measuring a three-dimensional shape
    Publication number: 20090323081
    Abstract: A jig for measuring an object shape includes a plate having a first surface and a second surface opposed to the first plate and two reference balls fixed to the plate, each ball surface being exposed on both the first and second surfaces. A reference plane is fixed to the plate, the reference plane having a first plane and a second plane that are parallel to each other, the first and second planes being exposed on the first and second surfaces of the plate, respectively. An object-holding portion is fixed to the plate, the object-holding portion having a hole passing through the plate, the object-holding portion being able to hold an object in the hole with the front and back surfaces of the object being exposed on the first and second surfaces of the plate, respectively.
    Type: Application
    Filed: May 29, 2009
    Publication date: December 31, 2009
    Applicant: MITUTOYO CORPORATION
    Inventors: Kotaro Hirano, Hirofumi Kakiuchi, Yoshiyuki Omori