Patents by Inventor Kazumasa Kasahara

Kazumasa Kasahara 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).

  • Pressure relief valve
    Patent number: 6622752
    Abstract: The present invention provides a pressure relief valve, which achieves a reliable sealed structure in a valve holder 31 without the valve holder 31 jutting far out from a common rail, assures stability of operation of a valve spring 11 in a valve holder 31, and is capable of being manufactured at low cost and can be made compact.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: September 23, 2003
    Assignee: Bosch Automotive Systems Corporation
    Inventors: Takeo Kushida, Etsuro Hozumi, Akinori Yamazaki, Kazumasa Kasahara, Hideya Kikuchi
  • Pressure relief valve
    Publication number: 20010052361
    Abstract: The present invention provides a pressure relief valve, which achieves a reliable sealed structure in a valve holder 31 without the valve holder 31 jutting far out from a common rail, assures stability of operation of a valve spring 11 in a valve holder 31, and is capable of being manufactured at low cost and can be made compact.
    Type: Application
    Filed: May 25, 2001
    Publication date: December 20, 2001
    Applicant: Bosch Automative System Corporation
    Inventors: Takeo Kushida, Etsuro Hozumi, Akinori Yamazaki, Kazumasa Kasahara, Hideya Kikuchi