Patents by Inventor Takuya Ueda

Takuya Ueda 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 regenerating or producing steel from steel scrap or reduced iron
    Patent number: 4023962
    Abstract: A process for regenerating steel scrap by melting and refining it, the improvement wherein carbon is added to molten scrap steel melt in an amount sufficient to adjust the carbon content of the melt to 0.6 to 3.0%, and the scrap steel is refined by blowing oxygen therein. This method can also be applied to the production of steel from reduced iron.
    Type: Grant
    Filed: April 24, 1975
    Date of Patent: May 17, 1977
    Assignee: National Research Institute for Metals
    Inventors: Ryuichi Nakagawa, Takuya Ueda, Shiro Yoshimatsu, Akira Sato, Tatsuro Mitsui, Tsuyoshi Ozaki, Akira Fukuzawa
  • Induction melting furnace
    Patent number: 3937868
    Abstract: An induction melting furnace for melting metals or alloys including an auxiliary induction heating coil in a material charging part. The material charging part is additionally heated to promote dissolving of the material in molten metal.
    Type: Grant
    Filed: June 28, 1974
    Date of Patent: February 10, 1976
    Assignee: National Research Institute for Metals
    Inventors: Ryuichi Nakagawa, Shiro Yoshimatsu, Akira Fukuzawa, Akira Sato, Tatsuro Mitsui, Takuya Ueda, Tsuyosho Ozaki