Patents by Inventor Tsutomu Ozeki

Tsutomu Ozeki 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).

  • Manufacturing method for shock absorber
    Patent number: 10180172
    Abstract: A rotation lock is provided to a piston rod, a collar is fitted on a small-diameter portion disposed on an end portion on a side of the piston rod extending from a cylinder, and the collar is press-fitted onto a press-fitted portion disposed on the piston rod by a press-fitting jig screwed with an external thread formed on the small-diameter portion. The press-fitting jig adds an axial force to the collar.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: January 15, 2019
    Assignee: KYB Corporation
    Inventors: Shotaro Asaoka, Tsutomu Ozeki
  • MANUFACTURING METHOD FOR SHOCK ABSORBER
    Publication number: 20170067528
    Abstract: A rotation lock is provided to a piston rod, a collar is fitted on a small-diameter portion disposed on an end portion on a side of the piston rod extending from a cylinder, and the collar is press-fitted onto a press-fitted portion disposed on the piston rod by a press-fitting jig screwed with an external thread formed on the small-diameter portion. The press-fitting jig adds an axial force to the collar.
    Type: Application
    Filed: March 17, 2015
    Publication date: March 9, 2017
    Applicant: KYB Corporation
    Inventors: Shotaro Asaoka, Tsutomu Ozeki