Patents by Inventor Katsuhiro Iwabuchi

Katsuhiro Iwabuchi 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).

  • High pressure fuel injection pipe and a method of manufacturing the same
    Patent number: 6070618
    Abstract: A sufficient anti-cavitation performance can be performed even when a high pressure fuel equal to or more than the value expected in the prior art, an extension can be recovered by a heating operation even when a pipe extension is processed to a limit of an extension so as to make a formation of the connection head portion in a connection end portion easy, and a necessary bending process at a time of arranging near a diesel engine can be performed.
    Type: Grant
    Filed: February 23, 1998
    Date of Patent: June 6, 2000
    Assignee: Usui Kokusai Sangyo Kaisha Limited
    Inventor: Katsuhiro Iwabuchi