Patents by Inventor Ki-Hwan Kim

Ki-Hwan 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).

  • Patent number: 11561447
    Abstract: A decoration element including a color developing layer including a light reflective layer, a light absorbing layer provided on the light reflective layer, and a convex portion or concave portion having an asymmetric-structured cross-section; an electrochromic device provided on any one surface of the color developing layer; and an in-mold label layer provided on the other surface of the color developing layer.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: January 24, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Pilsung Jo
  • Publication number: 20230020054
    Abstract: Disclosed is a bearing wire rod includes, in percent by weight (wt %), 0.8 to 1.2% of C, 0.01 to 0.6% of Si, 0.1 to 0.6% of Mn, 1.0 to 2.0% of Cr, 0.01 to 0.06% of Al, 0.02% or less (exclusive of 0) of N, and the balance of Fe and inevitable impurities, wherein a prior austenite grain size of a microstructure is from 3 to 10 ?m, and a sum of lengths of high angle grain boundaries having a misorientation angle of 15° or more per unit area is from 1,000 to 4,000 mm/mm2.
    Type: Application
    Filed: February 6, 2020
    Publication date: January 19, 2023
    Applicant: POSCO
    Inventors: Jae Seung LEE, Se Hong MIN, Kyoung-Won KIM, Woo Seok CHOI, Ki-Hwan KIM, In Gyu PARK
  • Patent number: 11524482
    Abstract: A decoration element including a color developing layer including a light reflective layer, and a light absorbing layer provided on the light reflective layer; and an in-mold label layer provided on one surface of the color developing layer. The light absorbing layer includes a convex portion shape or concave portion shape having an asymmetric cross-section.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: December 13, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Pilsung Jo
  • Patent number: 11524483
    Abstract: A decoration member including: a color developing layer including a light reflective layer and a light absorbing layer provided on the light reflective layer; and a substrate provided on one surface of the color developing layer. The light absorbing layer includes a copper oxynitride (CuaObNc).
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: December 13, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Jin Suk Song, Pilsung Jo
  • Patent number: 11474114
    Abstract: Artificial blood for a bloodstain pattern analysis includes water, an amino acid solution, bovine serum albumin, hemoglobin from bovine blood, potassium ferricyanide, sodium hyaluronate, sodium chloride, and tar color.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: October 18, 2022
    Assignee: REPUBLIC OF KOREA (NATIONAL FORENSIC SERVICE DIRECTOR MINISTRY OF THE INTERIOR AND SAFETY)
    Inventors: Sang Yoon Lee, Young Il Seo, Dong A Lim, Kyung Mi Kim, Eun Ah Joo, Je Hyun Lee, Ki Hwan Kim, Jin Pyo Kim, Jae Mo Goh, Nam Kyu Park, Se Hyun Shin
  • Patent number: 11465389
    Abstract: A decorative member including: a color developing layer including a light reflective layer and a light absorbing layer provided on the light reflective layer; and a substrate provided on a surface of the color developing layer. The substrate comprises a pattern layer, and the light absorbing layer comprises silicon (Si).
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: October 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Jin Suk Song, Pilsung Jo
  • Patent number: 11467460
    Abstract: An electrochromic film and an electrochromic device including the electrochromic film are disclosed. The electrochromic film includes an electrochromic layer and a passivation layer on one side of the electrochromic layer. The coloration level of the electrochromic film is different from the coloration level of the passivation layer. The film may change optical properties as a result of electrochromism according to an electrochemical reaction. The electrochromic film and the electrochromic device have improved electrochromism, excellent durability, excellent color-switching speed, and stepwise control of optical properties.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: October 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim
  • Patent number: 11459673
    Abstract: The present invention relates to a carbon fiber carbonization apparatus using a microwave. The carbon fiber carbonization apparatus using a microwave comprises: a carbonization furnace into which the microwave is irradiated from an irradiation part disposed at one side thereof; a moving tube through which a carbon fiber moves along the inside thereof and which is mounted to pass through the carbonization furnace; and a heating element coupled to an outer circumferential surface of the moving tube to absorb the microwave so as to generate heat. A portion of the moving tube is covered by the heating element at the position, but a remaining portion is exposed at a position at which the heating element is coupled to the moving tube.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: October 4, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Ji Hye Shin, Tae Eon Park, Su Jin Kim, Ki Hwan Kim, Ii Ha Lee, Jun Young Lee
  • Patent number: 11448800
    Abstract: The present disclosure relates to a decoration element comprising a light reflective layer; and a light absorbing layer provided on the light reflective layer, wherein the light reflective layer is a discontinuous film.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: September 20, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Jeong Woo Shon, Pilsung Jo, Ki Hwan Kim, Song Ho Jang
  • Patent number: 11415369
    Abstract: The present invention provides a crucible for melting and casting a metal fuel, which includes a reaction preventing layer including: LaYO3; or ZrO2 containing a Y2O3 stabilizer at 5 to 10 wt %, and a method of melting and casting a metal fuel using the same.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: August 16, 2022
    Assignee: KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    Inventors: Seoung Woo Kuk, Kyung Chai Jeong, Seok Jin Oh, Jeong-Yong Park, Ki Hwan Kim, Yoon Myeng Woo, Seung Uk Mun, Seong-Jun Ha
  • Patent number: 11415857
    Abstract: An electrochromic film, which is a reflective electrochromic film, which includes an electrode layer, a light absorbing layer and an electrochromic layer. The film can improve an electrochromism rate and realize various colors or esthetic senses.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: August 16, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Song Ho Jang, Ki Hwan Kim, Pil Sung Jo
  • Patent number: 11409178
    Abstract: A light-transmitting film and a device including the light-transmitting film are disclosed. The light-transmitting film includes an oxynitride containing two or more metals selected from Ti, Nb, Mo, Ta and W, and having light transmittance of 60% or more. The oxynitride may be represented by Formula 1, which is MoaTibOxNy where a>0, b>0, x>0, y>0, 0.5<a/b<4.0, and 0.005<y/x<0.02. The film has a light transmission characteristic, is capable of reversible color-switching depending on the applied voltage, and has excellent durability within a driving voltage range in which the film changes its color.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: August 9, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Yong Chan Kim, Ki Hwan Kim
  • Patent number: 11396705
    Abstract: This disclosure relates to a method for preparing a polymer thin film with water repellency and oil repellency, including: thermally decomposing a thermal initiator to form a radical; reacting the radical with a monomer mixture of a specific composition to synthesize a polymer; and depositing the synthesized polymer on a substrate, and a polymer thin film with water repellency and oil repellency including a polymer resin including (meth)acrylate-based repeat units substituted with a fluorine-containing functional group and repeat units derived from a compound including at least two reactive functional groups at a specific ratio.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: July 26, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Eun Jeong Lee, Ki-Hwan Kim, Chan Hyoung Park
  • Patent number: 11390113
    Abstract: The disclosed relates to a decoration element and a method for preparing the decoration element. The decoration element has dichroism expressing different colors depending on a viewing direction, and has improved visibility of the dichroism.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: July 19, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Eun Byurl Cho, Yong Chan Kim, Ki Hwan Kim, Jeong Woo Shon, Jin Suk Song, Song Ho Jang, Pilsung Jo, Sangcholl Han, Nansra Heo
  • Publication number: 20220216466
    Abstract: Disclosed is a positive electrode and a lithium secondary battery comprising the same, the positive electrode comprising a current collector, and a positive electrode active material layer comprising a plurality of positive electrode active materials, and an atomic layer deposition coating layer disposed in surfaces and pores of the positive electrode active materials and gaps between the plurality of positive electrode active materials, wherein the atomic layer deposition coating layer is 0.2 to 1 nm in thickness. A ratio of an amount of the atomic layer deposition coating layer of a lowermost portion of the positive electrode active material layer in contact with the current collector, to an amount of the atomic layer deposition coating layer of an uppermost portion of the positive electrode active material layer, is 40 weight % or more, and the positive electrode has a porosity of 15% to 35%.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 7, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Eun-Jeong Lee, Ki-Hwan Kim, Yong-Chan Kim, In-Chul Kim, Sang-Joon Park
  • Patent number: 11376888
    Abstract: The present disclosed relates to a decoration element and a method for preparing the decoration element. decoration element has dichroism expressing different colors depending on a viewing direction, and has improved visibility of the dichroism.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: July 5, 2022
    Assignee: LG Chem, Ltd.
    Inventors: Eun Byurl Cho, Yong Chan Kim, Jeong Woo Shon, Pilsung Jo, Nansra Heo, Jin Suk Song, Sangcholl Han, Song Ho Jang, Ki Hwan Kim
  • Patent number: 11358882
    Abstract: A water ionizer includes a stacked electrolyzer and a flow switching device, with an inlet being separate from an outlet. Water entering an input regulator is distributed at a predetermined ratio before being supplied to an electrolyzer module to minimize acidic water to be discarded. Water supplied from the input regulator is directed to pass through the electrolyzer module in a crossing manner to delay flows of water to improve the efficiency of electrolysis. Electrolyzer cells are stacked on and fitted to each other to simplify an assembly process and improve convenience. Electrode plates of the electrolyzer module are fixedly fitted into a frame to facilitate an assembly process and improve a fabrication process. The input regulator and a flow switching output unit are connected via a connecting shaft to synchronize the operations thereof to obtain reliability.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: June 14, 2022
    Assignee: ALKAMEDI CO., LTD.
    Inventors: Ki Hwan Kim, Jong Seob Kim
  • Publication number: 20220181459
    Abstract: An integrated circuit device includes a substrate having source and drain recesses therein that are lined with respective silicon-germanium liners and filled with doped semiconductor source and drain regions. A stacked plurality of semiconductor channel layers are provided, which are separated vertically from each other within the substrate by corresponding buried insulated gate electrode regions that extend laterally between the silicon-germanium liners. An insulated gate electrode is provided on an uppermost one of the plurality of semiconductor channel layers. The silicon-germanium liners may be doped with carbon.
    Type: Application
    Filed: July 22, 2021
    Publication date: June 9, 2022
    Inventors: Young Dae Cho, Ki Hwan Kim, Sung Uk Jang, Su Jin Jung
  • Publication number: 20220181499
    Abstract: A semiconductor device is provided. The semiconductor comprises an active pattern including a lower pattern and a plurality of sheet patterns that are spaced apart from the lower pattern in a first direction, a source/drain pattern on the lower pattern and in contact with the plurality of sheet patterns, and a gate structure on opposing sides of the source/drain pattern in a second direction different from the first direction, the gate structure including a gate electrode on the plurality of sheet patterns, wherein the source/drain pattern includes an epitaxial region that comprises a semiconductor material and a cavity region that is inside the epitaxial region and that is surrounded by the semiconductor material.
    Type: Application
    Filed: August 10, 2021
    Publication date: June 9, 2022
    Inventors: Su Jin Jung, Ki Hwan Kim, Sung Uk Jang, Young Dae Cho
  • Patent number: 11349055
    Abstract: A thermoelectric module that has excellent thermal, electric properties, can realize high joining force between thermoelectric elements and an electrode, and can maintain stable joining even at a high temperature.
    Type: Grant
    Filed: May 3, 2021
    Date of Patent: May 31, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Su Jin Kim, Il Ha Lee, Dong Sik Kim, Byung Kyu Lim, Cheol Hee Park, Ki Hwan Kim