Patents by Inventor Bong Sang Cho

Bong Sang Cho 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).

  • Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same
    Patent number: 11952652
    Abstract: Provided is a method of manufacturing a zinc-plated steel sheet. The method includes: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; and zinc plating the annealed steel sheet by dipping in a molten zinc plating bath. Further provided is a method of manufacturing a hot-press part including: coating a metal on the steel sheet on a steel sheet; annealing the metal coated steel sheet; zinc plating the annealed steel sheet by dipping in a molten zinc plating bath; heating the zinc-plated steel sheet; and press forming the heated steel sheet.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: April 9, 2024
    Assignee: POSCO CO., LTD
    Inventors: Il-Ryoung Sohn, Jong-Sang Kim, Joong-Chul Park, Yeol-Rae Cho, Jin-Keun Oh, Han-Gu Cho, Bong-Hoon Chung, Jong-Seog Lee
  • Polysilsesquioxane polyalkylene glycol polymer having urethane bonds, solid polymer electrolyte composition comprising the same and method of preparing the same
    Patent number: 11031624
    Abstract: Disclosed is a polyalkylene glycol (PAG) polymer having urethane bonds, represented by Structural Formula 1 below. The present invention further relates to a solid polymer electrolyte composition, composed of a polyalkylene glycol polymer having urethane bonds, and a lithium salt. The solid polymer electrolyte of the invention can exhibit superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: June 8, 2021
    Assignee: Korea Institute of Industrial Technology
    Inventors: Bong Sang Cho, Ki Young Kim, Jun Choi, Do Hyung Park, Jae Chui Lee, Ji San Jeong, Kyung Min Kim, Sin Seok Oh, Seong Kwan Kim, Yong Pyo Lee
  • Solid polymer electrolyte comprising an alkoxysilane compound having a urethane bond, a method of preparing the electrolyte, and a lithium secondary battery including
    Patent number: 10797346
    Abstract: A solid polymer electrolyte includes a matrix prepared by subjecting an alkoxysilane compound having a urethane bond represented by Structural Formula 1 below and an alkoxysilane compound represented by Structural Formula 2 below to a sol-gel reaction; and a lithium salt dispersed in the matrix, and The solid polymer electrolyte composition is configured such that silsesquioxane is linked to a polycarbonate diol-based polymer chain having a urethane bond. The solid polymer electrolyte exhibits superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: October 6, 2020
    Assignee: Korea Institute of Industrial Technology
    Inventors: Ki Young Kim, Bong Sang Cho, Jun Choi, Ji San Jeong, Kyung Min Kim, Seong Kwan Kim, Yong Pyo Lee
  • SOLID POLYMER ELECTROLYTE COMPOSITION COMPRISING ALKOXYSILANE COMPOUND HAVING URETHANE BOND AND METHOD OF PREPARING THE SAME
    Publication number: 20190288333
    Abstract: Disclosed is an alkoxysilane compound having a urethane bond, represented by Structural Formula 1 below. The present invention further relates to a solid polymer electrolyte composition, composed of a matrix including alkoxysilane having a urethane bond, a silica precursor and a polymer configured such that silsesquioxane is linked to a polycarbonate diol-based polymer chain having a urethane bond, and a lithium salt. The solid polymer electrolyte of the invention can exhibit superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Application
    Filed: November 12, 2018
    Publication date: September 19, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Ki Young KIM, Bong Sang CHO, Jun CHOI, Ji San JEONG, Kyung Min KIM, Seong Kwan KIM, Yong Pyo LEE
  • POLYSILSESQUIOXANE POLYALKYLENE GLYCOL POLYMER HAVING URETHANE BONDS, SOLID POLYMER ELECTROLYTE COMPOSITION COMPRISING THE SAME AND METHOD OF PREPARING THE SAME
    Publication number: 20190157716
    Abstract: Disclosed is a polyalkylene glycol (PAG) polymer having urethane bonds, represented by Structural Formula 1 below. The present invention further relates to a solid polymer electrolyte composition, composed of a polyalkylene glycol polymer having urethane bonds, and a lithium salt. The solid polymer electrolyte of the invention can exhibit superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Application
    Filed: November 12, 2018
    Publication date: May 23, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Bong Sang Cho, Ki Young Kim, Jun Choi, Do Hyung Park, Jae Chul Lee, Ji San Jeong, Kyung Min Kim, Sin Seok Oh, Seong Kwan Kim, Yong Pyo Lee