Patents by Inventor Gouki Okazaki

Gouki Okazaki 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: 5038725
    Abstract: An intake manifold of an internal combustion engine is structured either to keep the temperature in the intake manifold constant or to allow the temperature in the intake manifold to be controlled from outside thereof for thereby increasing the engine output. For this purpose, following measures are employed:(1) The intake manifold is made of a material having a low heat conductivity;(2) The outer periphery of the intake manifold is covered with an adiabatic material;(3) The intake manifold is of a double walled structure; and(4) The intake manifold is provided with a cooler or a heater.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: August 13, 1991
    Assignee: Hitachi, Ltd.
    Inventors: Gouki Okazaki, Motohisa Funabashi