Patents by Inventor Yusuke Akagi

Yusuke Akagi 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).

  • Displacement detection apparatus for linear motion mechanism and rear wheel steering apparatus for vehicle including the same
    Patent number: 9254868
    Abstract: A displacement detection apparatus for a linear motion mechanism includes a nut member, a rod including elongate grooves elongating in an axial direction of the rod and a through hole, a permanent magnet disposed parallel to the rod, a magnet block made of synthetic resin and including a retaining portion holding the permanent magnet, a pair of leg portions extending from ends of the retaining portion that are spaced apart, and a nut made of metal insert-molded at an intermediate position between the pair of leg portions, and a displacement sensor disposed opposing to the permanent magnet. The pair of leg portions and the nut of the magnet block are disposed in the elongate groove of the rod and the magnet block is fixed to the rod by a bolt screwed to the nut, the bolt penetrating through the through hole extending through the rod.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: February 9, 2016
    Assignee: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shinsuke Ando, Naoya Yoshizawa, Shimpei Fujii, Yusuke Akagi
  • DISPLACEMENT DETECTION APPARATUS FOR LINEAR MOTION MECHANISM AND REAR WHEEL STEERING APPARATUS FOR VEHICLE INCLUDING THE SAME
    Publication number: 20140353071
    Abstract: A displacement detection apparatus for a linear motion mechanism includes a nut member, a rod including elongate grooves elongating in an axial direction of the rod and a through hole, a permanent magnet disposed parallel to the rod, a magnet block made of synthetic resin and including a retaining portion holding the permanent magnet, a pair of leg portions extending from ends of the retaining portion that are spaced apart, and a nut made of metal insert-molded at an intermediate position between the pair of leg portions, and a displacement sensor disposed opposing to the permanent magnet. The pair of leg portions and the nut of the magnet block are disposed in the elongate groove of the rod and the magnet block is fixed to the rod by a bolt screwed to the nut, the bolt penetrating through the through hole extending through the rod.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 4, 2014
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shinsuke Ando, Naoya Yoshizawa, Shimpei Fujii, Yusuke Akagi