Patents by Inventor Kiyoharu Yonemaru

Kiyoharu Yonemaru 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).

  • Apparatus and method for processing screw rotor and cutting bit
    Patent number: 7430791
    Abstract: A method for processing a screw rotor includes a step of rotating a blade holder 2 while shifting the blade holder 2 in X-axis, Y-axis, and Z-axis directions to form a groove on the outer surface of a rotating cylindrical workpiece 1 with a tool 3 using a processing apparatus having a bed 11; a C-axis shaft supporter 12 disposed on the bed 11; a C-axis shaft 14 held by the C-axis shaft supporter 12, the C-axis shaft 14 for rotating the cylindrical object 1; a column 13 disposed on the bed 11; the blade holder 2 rotatably held by the column 13; and the tool 3 attached to the blade holder 2.
    Type: Grant
    Filed: September 6, 2006
    Date of Patent: October 7, 2008
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Kiyoharu Yonemaru
  • Apparatus and method for processing screw rotor and cutting bit
    Patent number: 7216407
    Abstract: A method for processing a screw rotor includes a step of rotating a blade holder 2 while shifting the blade holder 2 in X-axis, Y-axis, and Z-axis directions to form a groove on the outer surface of a rotating cylindrical workpiece 1 with a tool 3 using a processing apparatus having a bed 11; a C-axis shaft supporter 12 disposed on the bed 11; a C-axis shaft 14 held by the C-axis shaft supporter 12, the C-axis shaft 14 for rotating the cylindrical object 1; a column 13 disposed on the bed 11; the blade holder 2 rotatably held by the column 13; and the tool 3 attached to the blade holder 2.
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: May 15, 2007
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Kiyoharu Yonemaru
  • APPARATUS AND METHOD FOR PROCESSING SCREW ROTOR AND CUTTING BIT
    Publication number: 20070003387
    Abstract: A method for processing a screw rotor includes a step of rotating a blade holder 2 while shifting the blade holder 2 in X-axis, Y-axis, and Z-axis directions to form a groove on the outer surface of a rotating cylindrical workpiece 1 with a tool 3 using a processing apparatus having a bed 11; a C-axis shaft supporter 12 disposed on the bed 11; a C-axis shaft 14 held by the C-axis shaft supporter 12, the C-axis shaft 14 for rotating the cylindrical object 1; a column 13 disposed on the bed 11; the blade holder 2 rotatably held by the column 13; and the tool 3 attached to the blade holder 2.
    Type: Application
    Filed: September 6, 2006
    Publication date: January 4, 2007
    Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA
    Inventor: Kiyoharu YONEMARU
  • Device and method for processing screw rotor, and cutting tool
    Publication number: 20060048360
    Abstract: A method for processing a screw rotor includes a step of rotating a blade holder 2 while shifting the blade holder 2 in X-axis, Y-axis, and Z-axis directions to form a groove on the outer surface of a rotating cylindrical workpiece 1 with a tool 3 using a processing apparatus having a bed 11; a C-axis shaft supporter 12 disposed on the bed 11; a C-axis shaft 14 held by the C-axis shaft supporter 12, the C-axis shaft 14 for rotating the cylindrical object 1; a column 13 disposed on the bed 11; the blade holder 2 rotatably held by the column 13; and the tool 3 attached to the blade holder 2.
    Type: Application
    Filed: March 29, 2004
    Publication date: March 9, 2006
    Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA
    Inventor: Kiyoharu Yonemaru