Patents by Inventor Yosuhiro Osame

Yosuhiro Osame 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).

  • Tubular metal body, method of producing same, liner for pressure vessel and method of producing same
    Publication number: 20060260376
    Abstract: A tubular metal body 1 comprises a tube 2 extruded through a porthole die and composed of a plurality of components 2b joined to one another with a plurality of joint portions 2a extending over the entire length of the tube. The base material metal of the extruded tube 2 in each of the joint portions 2a is subjected to a modifying treatment to produce finely divided crystal grains. The modifying treatment for the extruded tube 2 is conducted preferably by frictionally agitating each joint portion using a probe 8 of a friction agitation joining tool 6. The tubular metal body 1 is available with an increased length in a larger size and has high pressure resistance.
    Type: Application
    Filed: April 22, 2004
    Publication date: November 23, 2006
    Applicants: SHOWA DENKO K.K, Honda Motor Co., Ltd.
    Inventor: Yosuhiro Osame