Patents by Inventor Rokuro Denda

Rokuro Denda 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).

  • Process and apparatus for the pyrolysis of hydrocarbon gas
    Patent number: 6921517
    Abstract: A hydrocarbon gas to be decomposed, optionally mixed with water vapor, is allowed to flow through the gap between various porous tubes 4 constituting a group of porous tubes provided extending vertically in a decomposition reaction column 1 while air or oxygen is jetted homogeneously from the interior to the exterior of the porous tubes in the direction perpendicular to the stream of the hydrocarbon gas to be decomposed, optionally mixed with water vapor. The mixture is then ignited to form a diffusion flame layer B on the outer surface of the porous tubes 4. With the diffusion flame layer as a heat source, the hydrocarbon gas to be decomposed, optionally mixed with water vapor, undergoes pyrolysis.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: July 26, 2005
    Assignees: The Japan Steel Works, Ltd., Kubota Corporation
    Inventors: Shuzo Matsumura, Masaji Yoneta, Rokuro Denda, Yoshito Umeda, Masao Hattori, Satoshi Hagi, Jun Funakoshi, Akira Kosaka
  • Process and apparatus for the pyrolysis of hydrocarbon gas
    Publication number: 20020039548
    Abstract: A hydrocarbon gas to be decomposed, optionally mixed with water vapor, is allowed to flow through the gap between various porous tubes 4 constituting a group of porous tubes provided extending vertically in a decomposition reaction column 1 while air or oxygen is jetted homogeneously from the interior to the exterior of the porous tubes in the direction perpendicular to the stream of the hydrocarbon gas to be decomposed, optionally mixed with water vapor. The mixture is then ignited to form a diffusion flame layer B on the outer surface of the porous tubes 4. With the diffusion flame layer as a heat source, the hydrocarbon gas to be decomposed, optionally mixed with water vapor, undergoes pyrolysis.
    Type: Application
    Filed: December 11, 2001
    Publication date: April 4, 2002
    Applicant: SHUZO MATSUMURA, THE JAPAN STEEL WORKS, LTD.
    Inventors: Shuzo Matsumura, Masaji Yoneta, Rokuro Denda, Yoshito Umeda, Masao Hattori, Satoshi Hagi, Jun Funakoshi, Akira Kosaka