Patents by Inventor Hiroshi TANEI

Hiroshi TANEI 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).

  • HOT-ROLLED STEEL SHEET
    Publication number: 20230349017
    Abstract: This hot-rolled steel sheet has a predetermined chemical composition, the number % of crystal grains of bainite that are in contact with both tempered martensite and residual austenite is 80% or more of all crystal grains of the bainite, a C concentration in the residual austenite is 0.80 mass % or more, an average crystal grain size of the residual austenite is 0.70 ?m or less, and a standard deviation of Vickers hardness is 25 HV0.01 or less.
    Type: Application
    Filed: March 8, 2021
    Publication date: November 2, 2023
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Mutsumi SAKAKIBARA, Hiroshi SHUTO, Hiroshi TANEI, Takaaki TSUTSUMI, Shota ISHITSUKA, Shinsuke KAI, Akifumi SAKAKIBARA
  • Scale composition determination system, scale composition determination method, and program
    Patent number: 11474032
    Abstract: A scale composition determination device (10) determines that Fe2O3 has been generated in the outermost layer of a scale (SC) in the case where at least one of spectral emissivities at one wavelength and the other wavelength that are measured by radiometers for spectral emissivity measurement (21a, 21b) is not within a predetermined range including spectral emissivities of FeO at one wavelength and the other wavelength, and determines that Fe2O3 has not been generated in the outermost layer of the scale (SC) in the case where all of the spectral emissivities at one wavelength and the other wavelength that are measured by the radiometers for spectral emissivity measurement (21a, 21b) is within the predetermined range including the spectral emissivities of FeO at one wavelength and the other wavelength.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: October 18, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Masato Sugiura, Hiroshi Tanei, Shuichi Yamazaki, Yasumitsu Kondo
  • Scale composition determination system, scale composition determination method, and program
    Patent number: 11454542
    Abstract: A scale composition determination device (10) determines that Fe2O3 has been generated in the outermost layer of a scale (SC) in the case where the absolute value of a difference between temperatures of a steel material SM measured by radiation thermometers (20a, 20b) is equal to or more than a predetermined temperature, and determines that Fe2O3 has not been generated in the outermost layer of the scale (SC) in the case where the absolute value of the difference between the temperatures of the steel material SM measured by the radiation thermometers (20a, 20b) is not equal to or more than the predetermined temperature.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: September 27, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hiroshi Tanei, Masato Sugiura, Shuichi Yamazaki, Yasumitsu Kondo
  • SCALE COMPOSITION DETERMINATION SYSTEM, SCALE COMPOSITION DETERMINATION METHOD, AND PROGRAM
    Publication number: 20210247235
    Abstract: A scale composition determination device (10) determines that Fe2O3 has been generated in the outermost layer of a scale (SC) in the case where the absolute value of a difference between temperatures of a steel material SM measured by radiation thermometers (20a, 20b) is equal to or more than a predetermined temperature, and determines that Fe2O3 has not been generated in the outermost layer of the scale (SC) in the case where the absolute value of the difference between the temperatures of the steel material SM measured by the radiation thermometers (20a, 20b) is not equal to or more than the predetermined temperature.
    Type: Application
    Filed: April 29, 2021
    Publication date: August 12, 2021
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Hiroshi TANEI, Masato SUGIURA, Shuichi YAMAZAKI, Yasumitsu KONDO
  • Scale composition determination system, scale composition determination method, and program
    Patent number: 11029212
    Abstract: A scale composition determination device (10) determines that Fe2O3 has been generated in the outermost layer of a scale (SC) in the case where the absolute value of a difference between temperatures of a steel material SM measured by radiation thermometers (20a, 20b) is equal to or more than a predetermined temperature, and determines that Fe2O3 has not been generated in the outermost layer of the scale (SC) in the case where the absolute value of the difference between the temperatures of the steel material SM measured by the radiation thermometers (20a, 20b) is not equal to or more than the predetermined temperature.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: June 8, 2021
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Hiroshi Tanei, Masato Sugiura, Shuichi Yamazaki, Yasumitsu Kondo
  • SCALE COMPOSITION DETERMINATION SYSTEM, SCALE COMPOSITION DETERMINATION METHOD, AND PROGRAM
    Publication number: 20200103285
    Abstract: A scale composition determination device (10) determines that Fe2O3 has been generated in the outermost layer of a scale (SC) in the case where the absolute value of a difference between temperatures of a steel material SM measured by radiation thermometers (20a, 20b) is equal to or more than a predetermined temperature, and determines that Fe2O3 has not been generated in the outermost layer of the scale (SC) in the case where the absolute value of the difference between the temperatures of the steel material SM measured by the radiation thermometers (20a, 20b) is not equal to or more than the predetermined temperature.
    Type: Application
    Filed: April 25, 2018
    Publication date: April 2, 2020
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Hiroshi TANEI, Masato SUGIURA, Shuichi YAMAZAKI, Yasumitsu KONDO
  • SCALE COMPOSITION DETERMINATION SYSTEM, SCALE COMPOSITION DETERMINATION METHOD, AND PROGRAM
    Publication number: 20200033268
    Abstract: A scale composition determination device (10) determines that Fe2O3 has been generated in the outermost layer of a scale (SC) in the case where at least one of spectral emissivities at one wavelength and the other wavelength that are measured by radiometers for spectral emissivity measurement (21a, 21b) is not within a predetermined range including spectral emissivities of FeO at one wavelength and the other wavelength, and determines that Fe2O3 has not been generated in the outermost layer of the scale (SC) in the case where all of the spectral emissivities at one wavelength and the other wavelength that are measured by the radiometers for spectral emissivity measurement (21a, 21b) is within the predetermined range including the spectral emissivities of FeO at one wavelength and the other wavelength.
    Type: Application
    Filed: April 25, 2018
    Publication date: January 30, 2020
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Masato SUGIURA, Hiroshi TANEI, Shuichi YAMAZAKI, Yasumitsu KONDO