Patents by Inventor Mituru Ando

Mituru Ando 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).

  • Patent number: 6533146
    Abstract: A continuous casting nozzle for casting molten steel, wherein at least a surface layer of an inner bore of the continuous casting nozzle contacting with a molten steel is formed of a refractory comprising: an aggregate consisting essentially of alumina (Al2O3) or an aggregate comprising alumina (A12O3) as its main ingredient and melting point thereof being at least 1800 degree centigrade: from 15 to 60 wt. % and roseki as a balance. The refractory is added thermosetting resin as binder, kneaded, formed, and sintered in an anti-oxidizing atmosphere.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: March 18, 2003
    Assignee: Akechi Ceramics Kabushiki Kaisha
    Inventors: Mituru Ando, Kazumi Oguri, Toshiyuki Muroi, Toshikazu Takasu