Patents by Inventor Haruo Kudo

Haruo Kudo 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).

  • Method of producing silicon carbide powder
    Patent number: 4226841
    Abstract: A method of producing a silicon carbide powder consisting of fine particles of uniform shape and size, comprising baking at 1,350.degree. to 1,850.degree. C. under a non-oxidizing atmosphere a powdery mixture consisting of 1 part by weight of silica powder or a compound forming silica powder at high temperatures, carbon powder or a compound forming carbon powder at high temperatures, and silicon carbide or a substance forming silicon carbide at high temperatures, the amounts of the silica powder-forming compounds, the carbon powder-forming compounds and the silicon carbide powder-forming substance being determined such that the amounts of the formed powders are equal to those specified above.
    Type: Grant
    Filed: March 7, 1979
    Date of Patent: October 7, 1980
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Katsutoshi Komeya, Hiroshi Inoue, Haruo Kudo, Hiroshi Endo