Patents by Inventor Atsutoshi Ikegawa

Atsutoshi Ikegawa 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).

  • Pipe mechanism for exhaust gas recirculation system
    Publication number: 20020157719
    Abstract: A pipe mechanism for an exhaust gas recirculation system includes a joint pipe connected to an exhaust pipe, an inner tube through which flows exhaust gas, and an outer tube. The inner tube has an upstream end and a downstream end, with the downstream end being located in the intake pipe. The outer tube has an upstream end connected with the joint pipe and a downstream end attached on the outer surface of the inner tube. The outer tube is located around the inner tube with a predetermined clearance between the inner and outer tubes.
    Type: Application
    Filed: March 28, 2002
    Publication date: October 31, 2002
    Inventor: Atsutoshi Ikegawa