Patents by Inventor Ryoji Ikeda

Ryoji Ikeda 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).

  • In-tank fuel pump
    Patent number: 4822258
    Abstract: An in-tank type fuel pump in which an impeller within the pump chamber is rotated by a motor disposed within a fuel chamber within a main body to pump fuel. A through hole in communication with a fuel chamber of the motor portion is provided in a side wall of the pump chamber on the motor side close to the upstream end of the annular channel defining the fuel chamber of the motor portion.
    Type: Grant
    Filed: January 27, 1988
    Date of Patent: April 18, 1989
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Takashi Matsuda, Ryozo Suzuki, Shingo Iwai, Ryoji Ikeda