Patents by Inventor Yoshitoshi Saito

Yoshitoshi Saito 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).

  • Binder for monolithic refractories, monolithic refractory, and construction method of monolithic refractories
    Patent number: 8835338
    Abstract: This binder for monolithic refractories includes a solid solution obtained by dissolving Ca components in ?-SrAl2O4 or ?-SrAl2O4, wherein when the Ca components are dissolved in the ?-SrAl2O4, a crystallite diameter of the solid solution is from 40 nm to 75 nm, and when the Ca components are dissolved in the ?-SrAl2O4, a crystallite diameter of the solid solution is from 35 nm to 70 nm.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: September 16, 2014
    Assignee: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Yoshitoshi Saito, Atsunori Koyama
  • Binder for monolithic refractories and monolithic refractory
    Patent number: 8673797
    Abstract: The binder for monolithic refractories according to the present invention includes SrAl2O4; SrAl2O4 and 5 mass % or less of the remainder; or a mixture of SrAl2O4 and Al2O3.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: March 18, 2014
    Assignee: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Yoshitoshi Saito, Atsunori Koyama
  • BINDER FOR MONOLITHIC REFRACTORIES, MONOLITHIC REFRACTORY, AND CONSTRUCTION METHOD OF MONOLITHIC REFRACTORIES
    Publication number: 20130090229
    Abstract: This binder for monolithic refractories includes a solid solution obtained by dissolving Ca components in ?-SrAl2O4 or ?-SrAl2O4, wherein when the Ca components are dissolved in the ?-SrAl2O4, a crystallite diameter of the solid solution is from 40 nm to 75 nm, and when the Ca components are dissolved in the ?-SrAl2O4, a crystallite diameter of the solid solution is from 35 nm to 70 nm.
    Type: Application
    Filed: April 28, 2011
    Publication date: April 11, 2013
    Inventors: Yoshitoshi Saito, Atsunori Koyama
  • Binder for monolithic refractories and monolithic refractory
    Patent number: 8309483
    Abstract: A binder for monolithic refractories characterized by containing ingredients comprised of a chemical composition of at least one of CaxSr1-xAl2O4, and CaySr1-yAl4O7 or these plus 12(CaO)z(SrO)1-z.7Al2O3 (where, 0<x<1, 0<y<1, and 0<z<1) and a binder for monolithic refractories and monolithic refractories superior in erosion resistance to slag or molten iron by monolithic refractories comprised of this binder and refractory aggregates are provided.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: November 13, 2012
    Assignees: Nippon Steel Corporation, Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshitoshi Saito, Atsunori Koyama
  • BINDER FOR MONOLITHIC REFRACTORIES AND MONOLITHIC REFRACTORY
    Publication number: 20110251045
    Abstract: The binder for monolithic refractories according to the present invention includes SrAl2O4; SrAl2O4 and 5 mass % or less of the remainder; or a mixture of SrAl2O4 and Al2O3.
    Type: Application
    Filed: October 26, 2009
    Publication date: October 13, 2011
    Inventors: Yoshitoshi Saito, Atsunori Koyama
  • BINDER FOR MONOLITHIC REFRACTORIES AND MONOLITHIC REFRACTORY
    Publication number: 20110039683
    Abstract: A binder for monolithic refractories characterized by containing ingredients comprised of a chemical composition of at least one of CaxSr1-xAl2O4, and CaySr1-yAl4O7 or these plus 12(CaO)z(SrO)1-z.7Al2O3 (where, 0<x<1, 0<y<1, and 0<z<1) and a binder for monolithic refractories and monolithic refractories superior in erosion resistance to slag or molten iron by monolithic refractories comprised of this binder and refractory aggregates are provided.
    Type: Application
    Filed: October 27, 2008
    Publication date: February 17, 2011
    Inventors: Yoshitoshi Saito, Atsunori Koyama