Patents by Inventor Makoto Yumino

Makoto Yumino 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).

  • Probe unit
    Patent number: 9702905
    Abstract: The probe unit includes probe groups of two or more contact probes to be in contact with one electrode of a contact target body on a side of one end in a longitudinal direction and the respective contact probes are to be in contact with separate electrodes of a board on a side of another end. The contact probe includes an end portion arranged on the side of one end, having nail portions in a tapered end shape, and brought into contact with the one electrode at the nail portions; a second contact unit arranged on the side of another end, and to be in contact with a corresponding electrode of the board; and a coil spring arranged between the end portion and the second contact unit, and biasing the end portion and the second contact unit.
    Type: Grant
    Filed: July 31, 2012
    Date of Patent: July 11, 2017
    Assignee: NHK Spring Co., Ltd.
    Inventors: Yoshio Yamada, Makoto Yumino, Mitsuhiro Kondo, Satoshi Shoji
  • PROBE UNIT
    Publication number: 20140247065
    Abstract: The probe unit includes probe groups of two or more contact probes to be in contact with one electrode of a contact target body on a side of one end in a longitudinal direction and the respective contact probes are to be in contact with separate electrodes of a board on a side of another end. The contact probe includes an end portion arranged on the side of one end, having nail portions in a tapered end shape, and brought into contact with the one electrode at the nail portions; a second contact unit arranged on the side of another end, and to be in contact with a corresponding electrode of the board; and a coil spring arranged between the end portion and the second contact unit, and biasing the end portion and the second contact unit.
    Type: Application
    Filed: July 31, 2012
    Publication date: September 4, 2014
    Applicant: NHK SPRING CO., LTD.
    Inventors: Yoshio Yamada, Makoto Yumino, Mitsuhiro Kondo, Satoshi Shoji