Patents by Inventor Yasumasa Mizukoshi

Yasumasa Mizukoshi 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).

  • Patent number: 4901404
    Abstract: This specification discloses a fastening band surrounding a cylindrical fastening member mounted on a member to be fastened and having the opposite end portions thereof adapted to be superposed one upon the other when the fastening member is fastened to the member to be fastened. A rectangular hole and slot extending long in the lengthwise direction of the body of the band are formed in succession from the fore end in a first end portion which is the outer side when the opposite end portions are superposed one upon the other. The end edge of the rectangular hole which is adjacent to the fore end provides a first tool engaging portion. A first projection for tentative fastening and regular fastening is inwardly formed on the end edge of the slot which is adjacent to the fore end.
    Type: Grant
    Filed: April 6, 1988
    Date of Patent: February 20, 1990
    Assignee: Nippon Seiko Kabushiki Kaisha
    Inventors: Yasumasa Mizukoshi, Minoru Ishijima
  • Patent number: 4854917
    Abstract: A tripot type constant velocity universal joint comprises a first rotary member provided with three sets of track surfaces each consisting of two parallel planar surfaces, a second rotary member provided with three trunnions corresponding to the track surfaces, and cylindrical roller assemblies loosely fitted to the trunnions and fitted on the track surfaces. The cylindrical roller assemblies are pivoted around corresponding points on the axes of the trunnions. The roller assemblies have a pivot controlling member for controlling pivot of the roller assemblies.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: August 8, 1989
    Assignee: Nippon Seiko Kabushiki Kaisha
    Inventor: Yasumasa Mizukoshi
  • Patent number: 4802261
    Abstract: A clamp band has a pair of end portions formed in a loop-like shape around a cylindrical clamp member mounted on a member to be clamped and overlapped with each other and imparted a tangential clamping force and engaged with each other to clamp the clamp member to the member to be clamped.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: February 7, 1989
    Assignee: Nippon Seiko Kabushiki Kaisha
    Inventors: Yasumasa Mizukoshi, Minoru Ishijima