Patents by Inventor Yoshimi TSUBURAYA

Yoshimi TSUBURAYA 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 cylinder device
    Patent number: 11661994
    Abstract: A manufacturing method for a cylinder device which includes a cylinder, a piston, a piston rod, a seal member, and an installing member, the method includes: a welding step for fixing the installing member to the cylinder through electrical resistance welding; a demagnetizing step for demagnetizing at least an opening portion of the cylinder; and an assembling step for assembling the piston, the piston rod, and the seal member in the cylinder through the opening portion.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: May 30, 2023
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Mitsunobu Kashina, Yoshimi Tsuburaya
  • MANUFACTURING METHOD FOR CYLINDER DEVICE
    Publication number: 20200362936
    Abstract: A manufacturing method for a cylinder device which includes a cylinder, a piston, a piston rod, a seal member, and an installing member, the method includes: a welding step for fixing the installing member to the cylinder through electrical resistance welding; a demagnetizing step for demagnetizing at least an opening portion of the cylinder; and an assembling step for assembling the piston, the piston rod, and the seal member in the cylinder through the opening portion.
    Type: Application
    Filed: September 25, 2018
    Publication date: November 19, 2020
    Inventors: Mitsunobu KASHINA, Yoshimi TSUBURAYA