Patents by Inventor Sang-Youl Kim

Sang-Youl Kim 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: 20240363832
    Abstract: One embodiment of the present invention relates to a lithium metal anode. Wherein the lithium metal anode comprises a current collector and a lithium metal thin film layer disposed on at least one surface of the current collector and having a thickness in a range of 0.1 to 200 ?m and a coating layer disposed on a surface of the lithium metal thin film layer, wherein, the coating layer comprising a Li—N—C—H—O based ionic compound.
    Type: Application
    Filed: May 13, 2024
    Publication date: October 31, 2024
    Applicants: POSCO CO., LTD, RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
    Inventors: Jin Hong Kim, Hong-Youl Bae, Mun Kyu Cho, Nam Soon Choi, Sang-Lag Lee, Weon-Soo Bae, Yong Won Lee, Ji-Woong Moon
  • Publication number: 20240300902
    Abstract: The present invention relates to a series of novel benzoimidazole derivatives and their use.
    Type: Application
    Filed: November 18, 2021
    Publication date: September 12, 2024
    Applicant: MD BIOLAB CO., LTD.
    Inventors: Sang Woo KIM, Hyun Cheol CHUNG, Eun Yi CHO, Ye Rin JO, Hyeon Joo KIM, Byeong Hak MOON, Yong Chul KIM, Jin Su BAE, Ga Ram KIM, Soo Youl KIM
  • Publication number: 20240262843
    Abstract: Provided are an acid anhydride compound having a novel structure, and a polyamideimide resin and a polyamideimide film produced therefrom. Specifically, since the polyamideimide film according to the present invention includes a structural unit derived from the acid anhydride compound, it may have high thermal resistance and a low coefficient of thermal expansion while being colorless and transparent.
    Type: Application
    Filed: November 22, 2023
    Publication date: August 8, 2024
    Inventors: Sang Youl KIM, Seong Jong KIM
  • Publication number: 20240145776
    Abstract: Provided are a lithium secondary battery electrolyte composition which may effectively suppress a thermal runaway phenomenon, and a lithium secondary battery having excellent electrical properties, life characteristics, and safety by applying the electrolyte composition.
    Type: Application
    Filed: September 5, 2023
    Publication date: May 2, 2024
    Inventors: Sang Youl KIM, Taehyoung KIM, Jin Hee LEE, Jin Hong LEE, JaeBin PARK
  • Publication number: 20230257514
    Abstract: The present disclosure relates to a cyclic olefin polymer having an epoxy functional group prepared by ring-opening metathesis polymerization and method of preparing the same.
    Type: Application
    Filed: March 24, 2023
    Publication date: August 17, 2023
    Inventors: Sang-Youl KIM, Jong-Ho SO
  • Publication number: 20230220161
    Abstract: The present disclosure relates to a polyimide precursor and flexible polyimide obtained by imidization of the polyimide precursor and having high transparency, high glass transition temperature and low coefficient of thermal expansion.
    Type: Application
    Filed: January 13, 2023
    Publication date: July 13, 2023
    Inventors: Sang-Youl KIM, Seong-Jong KIM
  • Publication number: 20180066110
    Abstract: A polyamideimide includes an asymmetric dicarboxylic acid derivative wherein, from among a cyclic group A and a cyclic group B, two substituents groups R and R? are bonded only to the cyclic group A on one side. A polymer produced by means of the present invention can have adequate solubility with respect to organic solvents, high thermal stability, a high glass transition temperature, high transparency and a low thermal expansion coefficient, and is able not only to satisfy requirements for core substrate materials of flexible displays but also to be used as a material for various soft electronic data devices.
    Type: Application
    Filed: November 8, 2017
    Publication date: March 8, 2018
    Inventors: Sang Youl KIM, Sun Dal KIM
  • Publication number: 20160194449
    Abstract: The present invention relates to a polyamideimide comprising an asymmetric dicarboxylic acid derivative wherein, from among a cyclic group A and a cyclic group B, two substitutents groups R and R? are bonded only to the cyclic group A on one side. A polymer produced by means of the present invention can have adequate solubility with respect to organic solvents, high thermal stability, a high glass transition temperature, high transparency and a low thermal expansion coefficient, and is able not only to satisfy requirements for core substrate materials of flexible displays but also to be used as a material for various soft electronic data devices.
    Type: Application
    Filed: October 31, 2013
    Publication date: July 7, 2016
    Inventors: Sang Youl KIM, Sun Dal KIM
  • Publication number: 20150108070
    Abstract: Disclosed herein is a method of preparing hyperbranched polyamidoamine particles, including: a) preparing a polyamidoamine precursor mixture from a multifunctional amine monomer and a multifunctional acrylamide monomer; and b) polymerizing the polyamidoamine precursor mixture into cross-linked hyperbranched polyamidoamine particles using reverse phase suspension polymerization. Also, hyperbranched polyamidoamine particles prepared by the method are provided, which can remove heavy metals in an aqueous solution without the need for an ultrafiltration apparatus.
    Type: Application
    Filed: March 12, 2013
    Publication date: April 23, 2015
    Inventors: Sang Youl Kim, Young Sik Eom
  • Publication number: 20150045481
    Abstract: The present invention relates to a novel diamine compound, wherein two substituents R and R? are introduced asymmetrically, and a polymer thereof. The polymer may have excellent solubility in the organic solvent and allows for easy processibility after imidization, thus giving proper film maintaining superior properties, such as thermal, mechanical, and optical properties for applications in electrical, electronic, or optical materials.
    Type: Application
    Filed: December 5, 2012
    Publication date: February 12, 2015
    Inventors: Sang Youl Kim, Sun Dal Kim, Im Sik Chung
  • Patent number: 8518497
    Abstract: Provided is the preparation of a coil-comb block copolymer and a method for producing nanostructures formed by the copolymer. Particularly, provided is a method for producing nanostructured polymer thin films, including: preparing a coil-comb block copolymer via a controlled polymer polymerization process; forming a thin film of the block copolymer on a substrate and carrying out heat treatment to form nanostructures including vertically aligned cylindrical microstructures; and irradiating ultraviolet rays to the thin film and carrying out oxygen plasma treatment to form nanostructured polymer thin films including cylindrical pores.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: August 27, 2013
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Sang Youl Kim, Myungeun Seo
  • Patent number: 7983066
    Abstract: Disclosed is a passive matrix-addressable memory apparatus. The passive matrix-addressable memory apparatus comprises: a plurality of first electrode lines horizontally arranged with respect to each other; a plurality of second electrode lines disposed orthogonal to the plurality of first electrode lines to be horizontally arranged with respect to each other; a memory unit formed between the plurality of first electrode lines and the plurality of second electrode lines, and containing an electrically polarizable material exhibiting hysteresis; and a switch unit. The switch unit comprises: first electrodes of a cantilever structure respectively formed between the memory unit and the plurality of first electrode lines to be electrically connected to the plurality of first electrode lines; and second electrodes electrically connected to the memory unit to be spaced apart from the first electrodes to face the first electrodes.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: July 19, 2011
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Hee-Chul Lee, Woo-Young Kim, Chi-Ho Hwang, Yong-Soo Lee, Sang-Youl Kim, Du-Youn Ka
  • Publication number: 20100285276
    Abstract: Provided is the preparation of a coil-comb block copolymer and a method for producing nanostructures formed by the copolymer. Particularly, provided is a method for producing nanostructured polymer thin films, including: preparing a coil-comb block copolymer via a controlled polymer polymerization process; forming a thin film of the block copolymer on a substrate and carrying out heat treatment to form nanostructures including vertically aligned cylindrical microstructures; and irradiating ultraviolet rays to the thin film and carrying out oxygen plasma treatment to form nanostructured polymer thin films including cylindrical pores.
    Type: Application
    Filed: April 9, 2010
    Publication date: November 11, 2010
    Applicant: Korea Advanced Institute of Science and Technology
    Inventors: Sang Youl Kim, Myungeun Seo
  • Publication number: 20100002489
    Abstract: Disclosed is a passive matrix-addressable memory apparatus. The passive matrix-addressable memory apparatus comprises: a plurality of first electrode lines horizontally arranged with respect to each other; a plurality of second electrode lines disposed orthogonal to the plurality of first electrode lines to be horizontally arranged with respect to each other; a memory unit formed between the plurality of first electrode lines and the plurality of second electrode lines, and containing an electrically polarizable material exhibiting hysteresis; and a switch unit. The switch unit comprises: first electrodes of a cantilever structure respectively formed between the memory unit and the plurality of first electrode lines to be electrically connected to the plurality of first electrode lines; and second electrodes electrically connected to the memory unit to be spaced apart from the first electrodes to face the first electrodes.
    Type: Application
    Filed: June 30, 2009
    Publication date: January 7, 2010
    Inventors: Hee-Chul Lee, Woo-Young Kim, Chi-Ho Hwang, Yong-Soo Lee, Sang-Youl Kim, Du-Youn Ka
  • Patent number: 7443512
    Abstract: The present invention relates to an apparatus and method for a measurement of a film thickness using an improved fast Fourier transformation. The apparatus includes a light source, a light receiving unit for converging a light from the light source, a detection unit for splitting a reflection light reflected by the surface of the sample and inputted into the optical fabric through the lens, and outputted to the other side of the optical fabric based on a light intensity of each wavelength and providing a certain amount of wavelength, a conversion unit for converting a wavelength based spectrum data detected by the detection unit into an analog signal and then converting into a digital signal through a converter, a computation unit for computing the number of vibrations based on a high speed Fourier transformation, and an analyzing unit for measuring a film thickness.
    Type: Grant
    Filed: June 18, 2003
    Date of Patent: October 28, 2008
    Assignee: Ellipso Technology Co., Ltd.
    Inventors: Sang-Youl Kim, Sang-Jun Kim
  • Publication number: 20060082786
    Abstract: The present invention relates to an apparatus and method for a measurement of a film thickness using an improved fast Fourier transformation. The apparatus includes a light source, a light receiving unit for converging a light from the light source, a detection unit for splitting a reflection light reflected by the surface of the sample and inputted into the optical fabric through the lens, and outputted to the other side of the optical fabric based on a light intensity of each wavelength and providing a certain amount of wavelength, a conversion unit for converting a wavelength based spectrum data detected by the detection unit into an analog signal and then converting into a digital signal through a converter, a computation unit for computing the number of vibrations based on a high speed Fourier transformation, and an analyzing unit for measuring a film thickness.
    Type: Application
    Filed: June 18, 2003
    Publication date: April 20, 2006
    Inventors: Sang-Youl Kim, Sang-Jun Kim
  • Publication number: 20010041779
    Abstract: The present invention relates to a process for manufacturing polyethylene with a functional end group in the presence of metallocene catalyst and more particularly, to the process for manufacturing polyethylene with a functional end group in such a manner that a highly reactive functional group of alkyl-aluminum is easily introduced to the end of polymer via a selective chain transfer reaction in the presence of (1) metallocene catalyst represented by the following formula 1 and (2) a cocatalyst containing alkyl-aluminum compound as active ingredient.
    Type: Application
    Filed: June 28, 1999
    Publication date: November 15, 2001
    Inventors: DONG GEUN SHIN, DOO JIN BYUN, SANG YOUL KIM
  • Patent number: 5654946
    Abstract: This invention relates to a method for determining reproduction position of a reproduction device.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: August 5, 1997
    Assignee: Goldstar Co., Ltd.
    Inventors: Sang Youl Kim, Chung Ku Lee