Patents by Inventor Su Yong SHIN

Su Yong SHIN 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).

  • Publication number: 20210062284
    Abstract: A non-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes at least one of 2.0 to 3.5% of Si, 0.3 to 3.5% of Al, 0.2 to 4.5% of Mn, 0.0030 to 0.2% of Sn, 0.0030 to 0.15% of Sb, 0.0040 to 0.18% of P, 0.0005 to 0.02% of Zn, and 0.0005 to 0.01% of Y for wt %, a remainder of Fe, and inevitable impurities, and satisfying Formula 1: 0.05?([Sn]+[Sb])/[P]?25??[Formula 1] (here, [Sn], [Sb], and [P] represent contents (wt %) of Sn, Sb, and P.
    Type: Application
    Filed: May 16, 2018
    Publication date: March 4, 2021
    Inventors: Jae-Hoon KIM, Wonjin KIM, Yong-Soo KIM, Su-Yong SHIN
  • Publication number: 20210062281
    Abstract: A non-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes 2.0 to 4.0% of Si, 0.05 to 1.5% of Al, 0.05 to 2.5% of Mn, equal to or less than 0.005% of C (excluding 0%), equal to or less than 0.005% of N (excluding 0%), 0.001 to 0.1% of Sn, 0.001 to 0.1% of Sb, 0.001 to 0.1% of P, 0.001 to 0.01% of As, 0.0005 to 0.01% of Se, 0.0005 to 0.01% of Pb, 0.0005 to 0.01% of Bi, a remainder of Fe, and inevitable impurities, as wt %, wherein a Taylor factor (M) of each crystal grain included in a steel sheet is expressed in Formula 1, and an average Taylor factor value of the steel sheet is equal to or less than 2.75: M = ? ? CRSS [ Formula ? ? 1 ] (here, ? is a macro stress, and ?CRSS is a critical resolved shear stress.
    Type: Application
    Filed: May 16, 2018
    Publication date: March 4, 2021
    Inventors: Hun Ju Lee, Yong-Soo Kim, Su-Yong Shin
  • Publication number: 20210054474
    Abstract: A double oriented electrical steel sheet according to an exemplary embodiment of the present invention includes: 2.0 to 6.0% of Si, 0.0005 to 0.04% of Al, 0.0001 to 0.003% of S, 0.02 to 1.0% of Mn, equal to or less than 0.003% of N (excluding 0%), equal to or less than 0.01% of C (excluding 0%), equal to or less than 0.01% of Ti (excluding 0%), 0.005 to 0.10% of P as wt %, and a remainder including Fe and inevitable impurities, and satisfying Formula 1, [Mn]/[S]?60??[Formula 1] (here, [Mn] and [S] are contents (wt %) of Mn and S.
    Type: Application
    Filed: December 17, 2018
    Publication date: February 25, 2021
    Inventors: Seil Lee, Sang-Woo Lee, Su-Yong Shin
  • Publication number: 20200332387
    Abstract: A non-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes, by weight %, Si: 2.5 to 6.0%, Al: 0.2 to 3.5%, Mn: 0.2 to 4.5%, Cr: 0.01 to 0.2%, P: 0.005 to 0.08%, Mg: 0.0005 to 0.05%, and a remainder including Fe and inevitable impurities, while satisfying Equation 1 below, and formed with an inner oxidation layer of a 0.2 to 5 ?m thickness inside a base steel sheet. ?2.5?[P]/[Cr]?[Mg]×100?6.5??[Equation 1] (In Equation 1, [P], [Cr], and [Mg] respectively represent a content (by wt %) of P, Cr, and Mg.
    Type: Application
    Filed: May 17, 2018
    Publication date: October 22, 2020
    Inventors: Jae-Hoon Kim, Yong-Soo Kim, Jung-Woo Kim, Su-Yong Shin
  • Publication number: 20200087750
    Abstract: A non-oriented electrical steel sheet according to an embodiment of the present invention, comprises: Si: 2.0 to 3.5%, Al: 0.05 to 2.0%, Mn: 0.05 to 2.0%, In: 0.0002 to 0.003% by wt % and Fe and inevitable impurities as the remainder.
    Type: Application
    Filed: December 19, 2017
    Publication date: March 19, 2020
    Inventors: Hun Ju Lee, Yong Soo Kim, Su-Yong Shin
  • Publication number: 20200080175
    Abstract: A non-oriented electrical steel sheet according to an embodiment of the present invention may include, by weight, by weight, 2.0 to 3.5% of Si, 0.3 to 2.5% of Al, 0.3 to 2.5% of Mn, individually or in a total amount of 0.0005 to 0.03% of at least one of Ga and Ge, and the remainder including Fe and impurities, and may satisfy the following Formula 1. 0.2?([Si]+[Al]+0.5×[Mn])/(([Ga]+[Ge])×1000)?5.27 ??[Formula 1] ([Si], [Al], [Mn], [Ga] and [Ge] represent the content (% by weight) of Si, Al, Mn, Ga and Ge, respectively.
    Type: Application
    Filed: December 19, 2017
    Publication date: March 12, 2020
    Inventors: Jae Hoon Kim, Hun Ju Lee, Yong Soo Kim, Su-Yong Shin
  • Publication number: 20190017135
    Abstract: A non-directional electrical steel sheet according to an embodiment of the present disclosure includes, in wt %, 2.5 to 3.3 wt % of Si, 0.05 to 1 wt % of Al, 0.05 to 1 wt % of Mn, 0.01 wt % or less of (not including 0 wt %) S, 0.005 wt % or less of (not including 0 wt %) N, 0.005 wt % or less of (not including 0 wt %) C, 0.005 wt % or less of (not including 0 wt %) Ti, 0.005 wt % or less of (not including 0 wt %) 0.001 to 0.1 wt % of P, 0.001 to 0.1 wt % of Sn, and 0.001 to 0.1 wt % of Sb, with the remainder being Fe and unavoidable impurities, and satisfies Formulas 1 to 3 below. 1.7?[Si]([Al]+[Mn])?2.9 ??[Formula 1] 50?13.25+11.3*([Si]+[Al][Mn]/2)?60 ??[Formula 2] 0.025?[P]+[Sn]+[Sb]?0.15 ??[Formula 3] (In Formulas 1 to 3, [Si], [Al], [Mn], [P], [Sn], and [Sb] represent the content (in wt %) of Si, Al, Mn, P, Sn, and Sb, respectively).
    Type: Application
    Filed: December 23, 2016
    Publication date: January 17, 2019
    Inventors: Hun Ju LEE, Yong Soo KIM, Su Yong SHIN