Patents by Inventor Hiroyuki Matsufuji

Hiroyuki Matsufuji 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).

  • Friction stir welding tool
    Patent number: 8899468
    Abstract: Disclosed is a friction stir welding tool (10) equipped with a probe (13) and a holder (16). At the tip of the probe (13) there is a pin part (11) and at the base there are probe-side protrusions (24) and probe-side recesses (25). At the tip of the holder (16) there are holder-side recesses (27) which mate with the probe-side protrusions (24), and holder-side protrusions (28) which mate with the probe-side recesses (25). External force applied to the probe (13) is transmitted from the probe-side protrusions (24) to the holder-side recesses (27) and from the probe-side recesses (25) to the holder-side protrusions (28).
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: December 2, 2014
    Assignees: Honda Motor Co., Ltd., Saga Tekkohsho Co., Ltd.
    Inventors: Tetsuya Miyahara, Mitsuru Sayama, Shosuke Ohhama, Daisuke Fukunaga, Hiroyuki Matsufuji
  • FRICTION STIR WELDING TOOL
    Publication number: 20140217151
    Abstract: Disclosed is a friction stir welding tool (10) equipped with a probe (13) and a holder (16). At the tip of the probe (13) there is a pin part (11) and at the base there are probe-side protrusions (24) and probe-side recesses (25). At the tip of the holder (16) there are holder-side recesses (27) which mate with the probe-side protrusions (24), and holder-side protrusions (28) which mate with the probe-side recesses (25). External force applied to the probe (13) is transmitted from the probe-side protrusions (24) to the holder-side recesses (27) and from the probe-side recesses (25) to the holder-side protrusions (28).
    Type: Application
    Filed: June 12, 2012
    Publication date: August 7, 2014
    Applicants: SAGA TEKKOHSHO CO., LTD., HONDA MOTOR CO., LTD.
    Inventors: Tetsuya Miyahara, Mitsuru Sayama, Shosuke Ohhama, Daisuke Fukunaga, Hiroyuki Matsufuji