Patents by Inventor Kazutaka Sone

Kazutaka Sone 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).

  • Fuel injection pump
    Patent number: 9243597
    Abstract: A fuel injection pump is provided which can be manufactured without an increase in the manufacturing cost and which is configured so that the sealing performance of an electromagnetic spill valve can be maintained with minimum maintenance cost.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: January 26, 2016
    Assignees: Yanmar Co., Ltd., Woodward, Inc.
    Inventors: Takanori Egashira, Kazutaka Sone, Shinya Umeda, Stefan Kiechle
  • FUEL INJECTION PUMP
    Publication number: 20150040872
    Abstract: The purpose of the present invention is to provide a fuel injection pump 1 wherein it is possible to easily position the second fuel supply path 21b of a housing 21 with the fuel supply hole 22a functioning as the fuel path of an insert piece 22, and to secure the insert piece 22 such that same does not rotate within the housing 21.
    Type: Application
    Filed: February 28, 2013
    Publication date: February 12, 2015
    Inventors: Shinya Umeda, Takanori Egashira, Hiroyuki Machiyama, Kazutaka Sone, Stefan Kiechle
  • FUEL INJECTION PUMP
    Publication number: 20120321496
    Abstract: A fuel injection pump is provided which can be manufactured without an increase in the manufacturing cost and which is configured so that the sealing performance of an electromagnetic spill valve can be maintained with minimum maintenance cost.
    Type: Application
    Filed: February 22, 2011
    Publication date: December 20, 2012
    Applicant: Yanmar Co., Ltd.
    Inventors: Takanori Egashira, Kazutaka Sone, Shinya Umeda, Stefan Kiechle