Patents by Inventor Tadao Kaneda

Tadao Kaneda 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).

  • Gas detecting element
    Patent number: 4242303
    Abstract: A gas detecting element having a high gas selectivity which comprises an N-type metal oxide semiconductor, 0.005 to 8% by weight, based on the metal oxide, of at least one noble metal catalyst selected from the group consisting of platinum (Pt), palladium (Pd) and rhodium (Rh) and phosphorus 1.5 to 30 times as much as that of the noble metal or 0.05 to 30 times as much as that of palladium where palladium alone is used as the noble metal catalyst.
    Type: Grant
    Filed: April 25, 1979
    Date of Patent: December 30, 1980
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Takashi Takahashi, Masaki Katsura, Tadao Kaneda, Hideaki Hiraki, Masayuki Shiratori