Patents by Inventor Gab-Sik Byun

Gab-Sik Byun 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).

  • Black plated steel sheet and manufacturing method therefor
    Patent number: 11441219
    Abstract: Embodiments of the present invention provide a technique for forming a film having a high added value appearance quality and excellent hardness on the surface of a steel sheet in a short time.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: September 13, 2022
    Assignee: RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Hye Jeong Kim, Gab Sik Byun, Kyung Hwang Lee, Mi Seon Choi
  • BLACK PLATED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
    Publication number: 20200002800
    Abstract: Embodiments of the present invention provide a technique for forming a film having a high added value appearance quality and excellent hardness on the surface of a steel sheet in a short time.
    Type: Application
    Filed: June 21, 2019
    Publication date: January 2, 2020
    Inventors: Hye Jeong KIM, Gab Sik BYUN, Kyung Hwang LEE, Mi Seon CHOI
  • High-carbon iron-based amorphous alloy using molten pig iron and method of manufacturing the same
    Patent number: 9752205
    Abstract: Provided is an iron-based amorphous alloy and a method of manufacturing the same. More particularly, provided is an high carbon iron-based amorphous alloy expressed by a general formula Fe?C?Si?BxPyCrz, wherein ?, ?, ?, x, y and z are atomic % of iron (Fe), carbon (C), silicon (Si), boron (B), phosphorus (P), and chrome (Cr) respectively, wherein ? is expressed by ?=100?(?+?+x+y+z) atomic %, ? is expressed by 13.5 atomic %???17.8 atomic %, ? is expressed by 0.30 atomic %???1.50 atomic %, x is expressed by 0.1 atomic %?x?4.0 atomic %, y is expressed by 0.8 atomic %?y?7.7 atomic %, and z is expressed by 0.1 atomic %?z?3.0 atomic %.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: September 5, 2017
    Assignees: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Sang-Won Kim, Sang-Hoon Yoon, Seong Hoon Yi, Young-Geun Son, Eon-Byeong Park, Oh Joon Kwon, Sang-Wook Ha, Seung-Dueg Choi, Gab-Sik Byun
  • High-Carbon Iron-Based Amorphous Alloy Using Molten Pig Iron and Method of Manufacturing the Same
    Publication number: 20160068923
    Abstract: Provided is an iron-based amorphous alloy and a method of manufacturing the same. More particularly, provided is an high carbon iron-based amorphous alloy expressed by a general formula Fe?C?Si?BxPyCrz, wherein ?, ?, ?, x, y and z are atomic % of iron (Fe), carbon (C), silicon (Si), boron (B), phosphorus (P), and chrome (Cr) respectively, wherein ? is expressed by ?=100?(?+?+x+y+z) atomic %, ? is expressed by 13.5 atomic %???17.8 atomic %, ? is expressed by 0.30 atomic %???1.50 atomic %, x is expressed by 0.1 atomic %?x?4.0 atomic %, y is expressed by 0.8 atomic %?y?7.7 atomic %, and z is expressed by 0.1 atomic %?z?3.0 atomic %.
    Type: Application
    Filed: November 17, 2015
    Publication date: March 10, 2016
    Inventors: Sang-Won Kim, Sang-Hoon Yoon, Seong Hoon Yi, Young-Geun Son, Eon-Byeong Park, Oh Joon Kwon, Sang-Wook Ha, Seung-Dueg Choi, Gab-Sik Byun
  • High-carbon iron-based amorphous alloy using molten pig iron and method of manufacturing the same
    Patent number: 9222157
    Abstract: Provided is an iron-based amorphous alloy and a method of manufacturing the same. More particularly, provided is an high carbon iron-based amorphous alloy expressed by a general formula Fe?C?Si?BxPyCrz, wherein ?, ?, ?, x, y and z are atomic % of iron (Fe), carbon (C), silicon (Si), boron (B), phosphorus (P), and chrome (Cr) respectively, wherein ? is expressed by ?=100?(?+?+x+y+z) atomic %, ? is expressed by 13.5 atomic %???17.8 atomic %, ? is expressed by 0.30 atomic %???1.50 atomic %, x is expressed by 0.1 atomic %?x?4.0 atomic %, y is expressed by 0.8 atomic %?y?7.7 atomic %, and z is expressed by 0.1 atomic %?z?3.0 atomic %.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: December 29, 2015
    Assignees: POSCO, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Sang-Won Kim, Gab-Sik Byun, Young-Geun Son, Eon-Byeong Park, Sang-Hoon Yoon, Sang-Wook Ha, Oh-Joon Kwon, Seung-Dueg Choi, Seong Hoon Yi
  • High-Carbon Iron-Based Amorphous Alloy Using Molten Pig Iron and Method of Manufacturing the Same
    Publication number: 20130146185
    Abstract: Provided is an iron-based amorphous alloy and a method of manufacturing the same. More particularly, provided is an high carbon iron-based amorphous alloy expressed by a general formula Fe?C?Si?BxPyCrz, wherein ?, ?, ?, x, y and z are atomic % of iron (Fe), carbon (C), silicon (Si), boron (B), phosphorus (P), and chrome (Cr) respectively, wherein a is expressed by ?=100?(?+?+x+y+z) atomic %, ? is expressed by 13.5 atomic %???17.8 atomic %, ? is expressed by 0.30 atomic %???1.50 atomic %, x is expressed by 0.1 atomic %?x?4.0 atomic %, y is expressed by 0.8 atomic %?y?7.7 atomic %, and z is expressed by 0.1 atomic %?z?3.0 atomic %.
    Type: Application
    Filed: June 27, 2011
    Publication date: June 13, 2013
    Applicant: POSCO
    Inventors: Sang-Won Kim, Gab-Sik Byun, Young-Geun Son, Eon-Byeong Park, Sang-Hoon Yoon, Sang-Wook Ha, Oh-Joon Kwon, Seung-Dueg Choi, Seong Hoon Yi