Patents by Inventor Sang-Hyun RHO

Sang-Hyun RHO 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: 20230405968
    Abstract: The present invention relates to a sandwich panel for a protective cover of an electric vehicle battery pack, including: a core layer that has a non-woven fiber aggregate structure; a skin layer that is stacked on at least one surface of the core layer; and an adhesive layer that bonds the core layer and the skin layer, wherein the core layer includes a thermoplastic resin and a flame retardant fiber, a manufacturing method therefor, and a protective cover of an electric vehicle battery pack.
    Type: Application
    Filed: November 17, 2021
    Publication date: December 21, 2023
    Applicant: LX Hausys, Ltd.
    Inventors: Seunghyun Ahn, Myung Lee, Won Kim, Sang Hyun Rho, Dayoung Yu, Hyunjin Choi, Aeri Oh
  • Patent number: 11772362
    Abstract: The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: October 3, 2023
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
  • Patent number: 11260626
    Abstract: The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: March 1, 2022
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
  • Patent number: 11225056
    Abstract: The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: January 18, 2022
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
  • Patent number: 11198273
    Abstract: The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: December 14, 2021
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
  • Publication number: 20210277654
    Abstract: Provided is heartwood for a sandwich panel, comprising: a first polyester-based fiber which is a monocomponent fiber; and a second polyester-based fiber which is a sheath-core type bicomponent fiber. Also provided is a sandwich panel comprising: heartwood derived from the heartwood for a sandwich panel; and a surface material disposed on the sides of the heartwood. Further provided is a method for producing the sandwich panel, comprising: a step of mixing the first polyester-based fiber which is a monocomponent fiber and the second polyester-based fiber which is a sheath-core type bicomponent fiber; a step of producing the heartwood from the mixed fibers by a dry production process; and a step of heating and pressuring the heartwood.
    Type: Application
    Filed: June 21, 2017
    Publication date: September 9, 2021
    Inventors: Sang-Hyun RHO, Myung LEE, Ji-Won LIM
  • Publication number: 20210229402
    Abstract: The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
    Type: Application
    Filed: April 14, 2021
    Publication date: July 29, 2021
    Applicant: LG Hausys, Ltd.
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
  • Patent number: 11001035
    Abstract: The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: May 11, 2021
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
  • Patent number: 10981341
    Abstract: The present invention relates to a molded object and a method for manufacturing the same. The molded object according to the present invention has high density and enhanced properties such as flexural strength or tensile strength, has a small weight change caused by moisture absorption even when used for a long period of time, and has small changes in flexural strength, tensile strength and the like, and therefore, is suited to be used as household materials, industrial materials or the like.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: April 20, 2021
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
  • Publication number: 20200276791
    Abstract: The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
    Type: Application
    Filed: April 29, 2020
    Publication date: September 3, 2020
    Applicant: LG Hausys, Ltd.
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
  • Publication number: 20200269549
    Abstract: The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
    Type: Application
    Filed: April 29, 2020
    Publication date: August 27, 2020
    Applicant: LG Hausys, Ltd.
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
  • Publication number: 20200269548
    Abstract: The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
    Type: Application
    Filed: April 29, 2020
    Publication date: August 27, 2020
    Applicant: LG Hausys, Ltd.
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song, Seongmoon Jung
  • Patent number: 10647082
    Abstract: Provided are a sandwich panel and a method for manufacturing same, the sandwich panel comprising: a flocking core layer; and skin layers stacked on either side of the flocking core layer, wherein the flocking core layer comprises a mixed fiber containing at least two types of fibers having different average cross sectional diameters.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: May 12, 2020
    Assignee: LG HAUSYS, LTD.
    Inventors: Ji-Won Lim, Dong-Eung Kim, Sang-Hyun Rho
  • Patent number: 10569498
    Abstract: The present invention provides a sandwich panel and a sandwich panel structure formed by welding a plurality of the sandwich panels, each sandwich panel comprising: a flocking core layer; and skin layers laminated on both surfaces of the flocking core layer, respectively, wherein the sandwich panel comprises at least one contact portion, at which the two skin layers abut each other. In addition, the present disclosure provides a method for manufacturing a sandwich panel, the method comprising the steps of: preparing a sandwich panel comprising a flocking core layer and skin layers laminated on both surfaces of the flocking core layer, respectively; and applying heat and pressure to at least one surface of the skin layers, thereby forming at least one contact portion.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: February 25, 2020
    Assignee: LG HAUSYS, LTD.
    Inventors: Sang-Hyun Rho, Dong-Eung Kim, Ji-Won Lim
  • Publication number: 20190105877
    Abstract: The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 11, 2019
    Applicant: LG Hausys, Ltd.
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song
  • Publication number: 20190105853
    Abstract: The present invention relates to a molded object and a method for manufacturing the same. The molded object according to the present invention has high density and enhanced properties such as flexural strength or tensile strength, has a small weight change caused by moisture absorption even when used for a long period of time, and has small changes in flexural strength, tensile strength and the like, and therefore, is suited to be used as household materials, industrial materials or the like.
    Type: Application
    Filed: December 10, 2018
    Publication date: April 11, 2019
    Applicant: LG Hausys, Ltd.
    Inventors: Won Kim, Myung Lee, Dayoung Yu, Jiwon Lim, Sang Hyun Rho, Dongmin Song
  • Publication number: 20180361701
    Abstract: The present invention provides a sandwich panel and a sandwich panel structure formed by welding a plurality of the sandwich panels, each sandwich panel comprising: a flocking core layer; and skin layers laminated on both surfaces of the flocking core layer, respectively, wherein the sandwich panel comprises at least one contact portion, at which the two skin layers abut each other. In addition, the present disclosure provides a method for manufacturing a sandwich panel, the method comprising the steps of: preparing a sandwich panel comprising a flocking core layer and skin layers laminated on both surfaces of the flocking core layer, respectively; and applying heat and pressure to at least one surface of the skin layers, thereby forming at least one contact portion.
    Type: Application
    Filed: March 29, 2016
    Publication date: December 20, 2018
    Inventors: Sang-Hyun RHO, Dong-Eung KIM, Ji-Won LIM
  • Publication number: 20180065335
    Abstract: Provided are a sandwich panel and a method for manufacturing same, the sandwich panel comprising: a flocking core layer; and skin layers stacked on either side of the flocking core layer, wherein the flocking core layer comprises a mixed fiber containing at least two types of fibers having different average cross sectional diameters.
    Type: Application
    Filed: March 21, 2016
    Publication date: March 8, 2018
    Inventors: Ji-Won LIM, Dong-Eung KIM, Sang-Hyun RHO