Patents by Inventor Kouji Ootake

Kouji Ootake 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: 8944222
    Abstract: A damping valve comprises a through-hole forming a passage for a working fluid. A poppet having a center axis is seated on a valve seat around the through-hole. The poppet is housed in a housing so as to be free to slide along the center axis. The poppet is pressed against one wall surface of the housing by a biasing mechanism, that biases the poppet in a direction perpendicular to the center axis, vibration of the poppet is thereby suppressed.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: February 3, 2015
    Assignee: Kayaba Industry Co., Ltd.
    Inventors: Kouji Ootake, Ryosuke Kamakura, Toshihiro Mori, Yuusuke Matsushita
  • Publication number: 20120325603
    Abstract: A damping valve comprises a through-hole forming a passage for a working fluid. A poppet having a center axis is seated on a valve seat around the through-hole. The poppet is housed in a housing so as to be free to slide along the center axis. The poppet is pressed against one wall surface of the housing by a biasing mechanism, that biases the poppet in a direction perpendicular to the center axis, vibration of the poppet is thereby suppressed.
    Type: Application
    Filed: March 10, 2011
    Publication date: December 27, 2012
    Applicant: Kayaba Industry Co., Ltd.
    Inventors: Kouji Ootake, Ryosuke Kamakura, Toshihiro Mori, Yuusuke Matsushita