Patents by Inventor Masaaki TORIYABE

Masaaki TORIYABE 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).

  • Flux-cored wire for carbon dioxide gas shielded arc welding
    Patent number: 10160065
    Abstract: A flux-cored wire for carbon dioxide gas shielded arc welding including, in terms of % by mass with respect to a total mass of the wire, 0.03 to 0.08% of C, 0.2 to 0.7% of Si, 1.4 to 3.0% of Mn, 0.01 to 0.5% of Cu, 0.8 to 3.0% of Ni, 0.05 to 0.5% of Ti, 0.002 to 0.015% of B, 0.05% or less of Al, 4 to 8% in terms of TiO2, 0.1 to 0.6% of in terms of SiO2, 0.02 to 0.3% in terms of Al2O3, 0.1 to 0.8% of Mg, 0.05 to 0.3% in terms of F, 0.05 to 0.3% in terms of Na and K in a fluorine compound, 0.05 to 0.2% of Na2O and K2O, and 0.2% or less in terms of ZrO2.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: December 25, 2018
    Assignee: NIPPON STEEL & SUMIKIN WELDING CO., LTD.
    Inventors: Rikiya Takayama, Kiyohito Sasaki, Yasuhito Totsuka, Masaaki Toriyabe
  • Flux-cored wire for Ar—COmixed gas shielded arc welding
    Patent number: 10112267
    Abstract: A wire including, in terms of % by mass with respect to a total mass of the wire, as a total in a steel outer skin and a flux, 0.03 to 0.08% of C, 0.1 to 0.6% of Si, 1.2 to 2.5% of Mn, 0.01 to 0.5% of Cu, 0.5 to 1.5% of Ni, 0.05 to 0.5% of Ti, 0.002 to 0.015% of B, and 0.05% or less of Al, and further including, in the flux, 4 to 8% in terms of TiO2, 0.1 to 0.6% of in terms of SiO2, 0.02 to 0.3% in terms of Al2O3, 0.1 to 0.8% of Mg, 0.05 to 0.3% in terms of F, 0.05 to 0.3% in terms of Na and K in a fluorine compound, 0.05 to 0.2% of Na2O and K2O, and 0.2% or less in terms of ZrO2.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: October 30, 2018
    Assignee: NIPPON STEEL & SUMIKIN WELDING CO., LTD.
    Inventors: Rikiya Takayama, Kiyohito Sasaki, Yasuhito Totsuka, Masaaki Toriyabe
  • FLUX-CORED WIRE FOR CARBON DIOXIDE GAS SHIELDED ARC WELDING
    Publication number: 20170129056
    Abstract: A flux-cored wire for carbon dioxide gas shielded arc welding includes, in terms of % by mass with respect to a total mass of the wire, 0.03 to 0.08% of C, 0.2 to 0.6% of Si, 1.2 to 2.8% of Mn, 0.01 to 0.5% of Cu, 0.2 to 0.7% of Ni, 0.1 to 0.6% of Ti, 0.005 to 0.020% of B, 0.05% or less of Al, 4.0 to 8.0% in terms of TiO2, 0.1 to 0.6% of in terms of SiO2, 0.02 to 0.3% in terms of Al2O3, 0.1 to 0.8% of Mg, 0.05 to 0.3% in terms of F, 0.05 to 0.3% in terms of Na and K in a fluorine compound, 0.05 to 0.2% of Na2O and K2O, and 0.2% or less in terms of ZrO2.
    Type: Application
    Filed: October 20, 2016
    Publication date: May 11, 2017
    Applicant: NIPPON STEEL & SUMIKIN WELDING CO., LTD.
    Inventors: Rikiya TAKAYAMA, Kiyohito SASAKI, Yasuhito TOTSUKA, Masaaki TORIYABE