Patents by Inventor Kazuyori Takatsuji

Kazuyori Takatsuji 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 zirconia fused cast refractories
    Patent number: 5976445
    Abstract: A method for producing zirconia fused cast refractories, which comprises casting zirconia fused cast refractories containing at least 33 wt % of a ZrO.sub.2 component utilizing a mold, wherein the mold is rotated on a rotation axis, so that at least a portion of a meltage of raw material poured into the mold, is cooled to solidify under a centrifugal force of at least 1.2 G.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: November 2, 1999
    Assignee: Asahi Glass Company Ltd.
    Inventors: Ryunosuke Kuroda, Kazuyori Takatsuji
  • Method of producing zirconia fused cast refractories
    Patent number: 5776397
    Abstract: A method for producing zirconia fused cast refractories, which comprises casting zirconia fused cast refractories containing at least 33 wt % of a ZrO.sub.2 component utilizing a mold, wherein the mold is rotated on a rotation axis, so that at least a portion of a meltage of raw material poured into the mold, is cooled to solidify under a centrifugal force of at least 1.2 G.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: July 7, 1998
    Assignee: Asahi Glass Company Ltd.
    Inventors: Ryunosuke Kuroda, Kazuyori Takatsuji