Patents by Inventor Takaharu Sakoh

Takaharu Sakoh 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).

  • Supply pump
    Patent number: 9297376
    Abstract: A supply pump includes a housing, a tappet, a guide groove, and a stopper pin. The housing includes a cylindrical sliding wall. The tappet is configured to be reciprocated along the sliding wall. The guide groove is provided for one of the housing and the tappet. One end of the guide groove includes a tapered surface. The stopper pin is provided for the other one of the housing and the tappet. The stopper pin is fitted into the guide groove to stop rotation of the tappet relative to the housing. When the tappet is displaced abnormally in an upper direction, the tapered surface is pressed on an end of the stopper pin to be engaged with the stopper pin.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: March 29, 2016
    Assignee: DENSO CORPORATION
    Inventors: Takaharu Sakoh, Katsumi Mori, Nao Ogasawara