Patents by Inventor Shuuichi ISHIZAWA

Shuuichi ISHIZAWA 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).

  • CORE ROD FOR FORMING A CYLINDRICAL GREEN COMPACT, APPARATUS FOR FORMING A CYLINDRICAL GREEN COMPACT, AND METHOD FOR FORMING A CYLINDRICAL GREEN COMPACT
    Publication number: 20080267807
    Abstract: A core rod for forming a cylindrical green compact having an axial protrusion or a radial step portion or dent portion on an inner surface of the cylindrical member by powder compaction, wherein: the core rod is provided with a step portion protruding in a radial direction at least a part on an outer surface thereof; the core rod is divided into two parts, an upper core and a lower core, on a plane that is flush with an upper surface of the step portion; and the upper core and lower core are mechanically joined with fastening members or bonded with an adhesive on a plane along which the core rod is divided.
    Type: Application
    Filed: April 25, 2008
    Publication date: October 30, 2008
    Inventors: Kinya KOBAYASHI, Hideaki NAGASHIMA, Shuuichi ISHIZAWA, Yuji ENOMOTO, Tomoaki ARAKAWA, Jiro SHIMA, Chio ISHIHARA