Patents by Inventor Kimio HIBI

Kimio HIBI 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).

  • Constant-velocity universal joint
    Patent number: 11421743
    Abstract: A constant-velocity universal joint including a generally cup-shaped outer joint member and an inner joint member that cooperate with each other to define first and second groove portions. A pinch angle by which a ball is pinched in the first groove portion is open toward an opening end of the outer joint member. A pinch angle by which the ball is pinched in the second groove is open toward a bottom wall of the outer joint member. An absolute value of the pinch angle in the first groove portion is larger than an absolute value of the pinch angle in the second groove portion in a reference state in which centerlines of the outer joint member and the inner joint member lie in a straight line.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: August 23, 2022
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, JTEKT Corporation
    Inventors: Yoshitaka Shinoda, Koji Matsumoto, Masahito Ikeo, Kimio Hibi, Yoshinari Sakai
  • CONSTANT-VELOCITY UNIVERSAL JOINT
    Publication number: 20200149593
    Abstract: A constant-velocity universal joint including a generally cup-shaped outer joint member and an inner joint member that cooperate with each other to define first and second groove portions. A pinch angle by which a ball is pinched in the first groove portion is open toward an opening end of the outer joint member. A pinch angle by which the ball is pinched in the second groove is open toward a bottom wall of the outer joint member. An absolute value of the pinch angle in the first groove portion is larger than an absolute value of the pinch angle in the second groove portion in a reference state in which centerlines of the outer joint member and the inner joint member lie in a straight line.
    Type: Application
    Filed: November 12, 2019
    Publication date: May 14, 2020
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, JTEKT Corporation
    Inventors: Yoshitaka SHINODA, Koji MATSUMOTO, Masahito IKEO, Kimio HIBI, Yoshinari SAKAI