Patents by Inventor Shinji Ida

Shinji Ida 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).

  • Cooling device of hot-rolled steel strip
    Patent number: 8920708
    Abstract: The present invention provides a method of cooling a hot-rolled steel strip which has passed through a finishing rolling, including: cooling the hot-rolled steel strip from a first temperature of not lower than 600° C. and not higher than 650° C. to a second temperature of not higher than 450° C. with cooling water having the water amount density of not lower than 4 m3/m2/min and not higher than 10 m3/m2/min, wherein with respect to the area of the target surface, the area of a portion where a plurality of spray jets of the cooling water directly strikes on the target surface is at least 80%.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: December 30, 2014
    Assignee: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Yoshihiro Serizawa, Yasuhiro Nishiyama, Shigeru Ogawa, Shinji Ida, Hitoshi Nikaidoh, Isao Yoshii, Noriyuki Hishinuma, Tetsuo Kishimoto, Nobuhiro Takagi
  • Cooling method of hot-rolled steel strip
    Patent number: 8414716
    Abstract: The present invention provides a method of cooling a hot-rolled steel strip which has passed through a finishing rolling, including: cooling the hot-rolled steel strip from a first temperature of not lower than 600° C. and not higher than 650° C. to a second temperature of not higher than 450° C. with cooling water having the water amount density of not lower than 4 m3/m2/min and not higher than 10 m3/m2/min, wherein with respect to the area of the target surface, the area of a portion where a plurality of spray jets of the cooling water directly strikes on the target surface is at least 80%.
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: April 9, 2013
    Assignee: Nippon Steel & Sumitomo Metal Corporation
    Inventors: Yoshihiro Serizawa, Yasuhiro Nishiyama, Shigeru Ogawa, Shinji Ida, Hitoshi Nikaidoh, Isao Yoshii, Noriyuki Hishinuma, Tetsuo Kishimoto, Nobuhiro Takagi
  • COOLING METHOD AND COOLING DEVICE OF HOT-ROLLED STEEL STRIP
    Publication number: 20120306130
    Abstract: The present invention provides a method of cooling a hot-rolled steel strip which has passed through a finishing rolling, including: cooling the hot-rolled steel strip from a first temperature of not lower than 600° C. and not higher than 650° C. to a second temperature of not higher than 450° C. with cooling water having the water amount density of not lower than 4 m3/m2/min and not higher than 10 m3/m2/min, wherein with respect to the area of the target surface, the area of a portion where a plurality of spray jets of the cooling water directly strikes on the target surface is at least 80%.
    Type: Application
    Filed: August 14, 2012
    Publication date: December 6, 2012
    Inventors: Yoshihiro SERIZAWA, Yasuhiro NISHIYAMA, Shigeru OGAWA, Shinji IDA, Hitoshi NIKAIDOH, Isao YOSHII, Noriyuki HISHINUMA, Tetsuo KISHIMOTO, Nobuhiro TAKAGI
  • COOLING METHOD AND COOLING DEVICE OF HOT-ROLLED STEEL STRIP
    Publication number: 20120067470
    Abstract: The present invention provides a method of cooling a hot-rolled steel strip which has passed through a finishing rolling, including: cooling the hot-rolled steel strip from a first temperature of not lower than 600° C. and not higher than 650° C. to a second temperature of not higher than 450° C. with cooling water having the water amount density of not lower than 4 m3/m2/min and not higher than 10 m3/m2/min, wherein with respect to the area of the target surface, the area of a portion where a plurality of spray jets of the cooling water directly strikes on the target surface is at least 80%.
    Type: Application
    Filed: May 13, 2010
    Publication date: March 22, 2012
    Inventors: Yoshihiro Serizawa, Yasuhiro Nishiyama, Shigeru Ogawa, Shinji Ida, Hitoshi Nikaidoh, Isao Yoshii, Noriyuki Hishinuma, Tetsuo Kishimoto, Nobuhiro Takagi