Patents by Inventor Tadayuki Ctani

Tadayuki Ctani 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).

  • Diffusion bonded metallic catalyst carrier and production thereof
    Publication number: 20040258943
    Abstract: A honeycomb body, which is composed in such a manner that a strip of corrugated foil made of heat-resistant stainless steel containing aluminum and a strip of flat foil made of stainless steel are alternately wound or laminated on each other, is incorporated into an outer cylinder made of metal and integrated into one body by means of diffusion bonding, so that a diffusion bonded metallic catalyst carrier can be formed. Surface roughness of the strip of foil after the completion of diffusion bonding is 0.001 to 2.0 &mgr;m when it is expressed by center line average height Ra, and no sintered bridges are formed at both end portions of the diffusion bonded section in the longitudinal direction.
    Type: Application
    Filed: April 23, 2004
    Publication date: December 23, 2004
    Applicant: Nippon Steel Corporation
    Inventors: Yasuo Takahashi, Tadayuki Ctani, Kazutoshi Iwami, Masayuki Kasuya