Patents by Inventor Norihisa SUGATA

Norihisa SUGATA 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: 9206874
    Abstract: A damper with an air spring includes: a damper main body having a cylinder and a piston rod inserted into the cylinder; and a cylindrical diaphragm attached to a side of the cylinder at a first end thereof and to a side of the piston rod at a second end thereof and forming an air chamber around the damper main body, in which a first attachment case to which the first end of the diaphragm is attached is fitted on an outer periphery of the cylinder, and an inner-diameter step portion of the first attachment case is brought into abutting contact with an upper end portion of the cylinder in an axial direction thereof, while a second attachment case to which the second end of the diaphragm is attached is fixed to the piston rod.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: December 8, 2015
    Assignee: SHOWA CORPORATION
    Inventor: Norihisa Sugata
  • Publication number: 20140175716
    Abstract: A damper with an air spring includes: a damper main body having a cylinder and a piston rod inserted into the cylinder; and a cylindrical diaphragm attached to a side of the cylinder at a first end thereof and to a side of the piston rod at a second end thereof and forming an air chamber around the damper main body, in which a first attachment case to which the first end of the diaphragm is attached is fitted on an outer periphery of the cylinder, and an inner-diameter step portion of the first attachment case is brought into abutting contact with an upper end portion of the cylinder in an axial direction thereof, while a second attachment case to which the second end of the diaphragm is attached is fixed to the piston rod.
    Type: Application
    Filed: September 17, 2013
    Publication date: June 26, 2014
    Applicant: SHOWA CORPORATION
    Inventor: Norihisa SUGATA