Patents by Inventor Hisao Ogiyama

Hisao Ogiyama 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).

  • Denitrating catalysts having porous coating and process for producing same
    Patent number: 4176091
    Abstract: A denitrating catalyst having a porous coating is produced by immersing a catalyst base of porous metal in a silica-containing coating bath, drying the catalyst base to form a carrier having a porour silica coating, immersing the carrier in a solution containing an active component and drying the resulting carrier to cause the carrier to support the active component thereon.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: November 27, 1979
    Assignee: Hitachi Shipbuilding & Engineering Co., Ltd.
    Inventors: Hideya Inaba, Hisao Ogiyama, Masayoshi Ichiki, Yasumi Kamino, Nobuo Matsumoto, Kenichi Nagai, Masami Suzuki