Patents by Inventor Kousuke Toba

Kousuke Toba 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).

  • Anti-vibration device
    Patent number: 8196700
    Abstract: In an anti-vibration device 10 including: an outer cylinder 11, an attachment member 12, a rubber elastic portion 13 which elastically connects the outer cylinder 11 to the attachment member 12, a primary liquid chamber 16 which encloses a liquid therein by using the rubber elastic portion 13 as a part of a partition wall, a secondary liquid chamber 17 which encloses a liquid therein by using a diaphragm 14 as a part of a partition wall, an orifice 19 which allows the primary liquid chamber 16 and the secondary liquid chamber 17 to communicate with each other, a division member 15 which is provided between the primary liquid chamber 16 and the secondary liquid chamber 17, and a movable plate 18 which displaces in accordance with a pressure difference between the primary liquid chamber 16 and the secondary liquid chamber 17, the division member 15 including a first division plate 21 forming a part of the partition wall of the primary liquid chamber 16 and a second division plate 22 forming a part of the partit
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: June 12, 2012
    Assignee: Bridgestone Corporation
    Inventor: Kousuke Toba
  • ANTI-VIBRATION DEVICE
    Publication number: 20110198149
    Abstract: In an anti-vibration device 10 including: an outer cylinder 11, an attachment member 12, a rubber elastic portion 13 which elastically connects the outer cylinder 11 to the attachment member 12, a primary liquid chamber 16 which encloses a liquid therein by using the rubber elastic portion 13 as a part of a partition wall, a secondary liquid chamber 17 which encloses a liquid therein by using a diaphragm 14 as a part of a partition wall, an orifice 19 which allows the primary liquid chamber 16 and the secondary liquid chamber 17 to communicate with each other, a division member 15 which is provided between the primary liquid chamber 16 and the secondary liquid chamber 17, and a movable plate 18 which displaces in accordance with a pressure difference between the primary liquid chamber 16 and the secondary liquid chamber 17, the division member 15 including a first division plate 21 forming a part of the partition wall of the primary liquid chamber 16 and a second division plate 22 forming a part of the partit
    Type: Application
    Filed: July 15, 2008
    Publication date: August 18, 2011
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Kousuke Toba