Patents by Inventor Tetsuo Torigai

Tetsuo Torigai 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).

  • High temperature anticorrosive molded product
    Patent number: 4008183
    Abstract: A high temperature anticorrosive molded product produced by hot pressing a mixture comprising 1-10 weight parts of powdery aluminum and 100 weight parts of a powdery composition comprising an electric conductive refractory, boron nitride and aluminum nitride wherein said powdery composition is encompassed by the range electric conductive refractory : boron nitride : aluminum nitride as shown in the basal triangle of 40 : 20 : 40, 50 : 10 : 40, 70 : 10 : 20, 70 : 20 : 10 and 40 : 50 : 10 of FIG. 1.
    Type: Grant
    Filed: August 14, 1975
    Date of Patent: February 15, 1977
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Masaji Ishii, Akio Mikogami, Tetsuo Torigai