Patents by Inventor Shojiro Okada

Shojiro Okada 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 for modifying porous material having open cells
    Patent number: 5126103
    Abstract: The invention provides a process for modifying a ceramic and/or metallic porous material having open cells necessary for the material to serve the function of gas diffusing materials, filters or the like. The porous material is subjected to hot isostatic pressing at a temperature at which the base portion of the porous material softens or melts to compact or homogenize the base portion.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: June 30, 1992
    Assignee: Kabushiki Kaisha Kobeseikosho
    Inventors: Kozo Ishizaki, Shojiro Okada, Takao Fujikawa, Atsushi Takata