Patents by Inventor Dong-ryeol Lee

Dong-ryeol Lee 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: 11946533
    Abstract: The present invention relates to a twisted string actuator. The present invention may comprise: a drive source; driving parts for receiving power from the driving source; driven parts installed in conjunction with the driving parts and receiving power; strings coupled to the ends of the driving parts and the driven parts so as to be twisted or untwisted, and a driving compensation part installed at the ends of the strings to compensate for uneven actuation of each of the strings.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: April 2, 2024
    Assignee: CHUNGANG UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Dong Jun Shin, Seung Ryeol Lee
  • Publication number: 20220323317
    Abstract: The presently claimed invention relates to liquid crystal lipid particles. The presently claimed invention relates to liquid crystal lipid particles which are used in hair care composition and exhibit excellent hair moisturizing effect.
    Type: Application
    Filed: July 8, 2020
    Publication date: October 13, 2022
    Inventors: Dong Ryeol Lee, Zhao Ting Liu, Yang Zhang
  • Publication number: 20220096337
    Abstract: The presently claimed invention relates to liquid crystal lipid particles. The presently claimed invention relates to liquid crystal lipid particles which are used in topical composition which has high moisturization efficacy, excellent skin feel, skin softness, and skin smoothness benefits.
    Type: Application
    Filed: January 27, 2020
    Publication date: March 31, 2022
    Inventors: Zhao Ting Liu, Yang Zhang, Dong Ryeol Lee, Zhi Rao, Na Zhao
  • Publication number: 20200087763
    Abstract: Disclosed is a shot ball having excellent strength and wear resistance. The shot ball according to an embodiment of the present disclosure includes, by weight %, 0.09% to 1.3% of carbon (C), 3% to 29% of manganese (Mn), 1.0% to 8.0% of chrome (Cr), 0.05% or less of phosphorus (P), 0.05% or less of sulfur (S), 10% or less (excluding 0) of nickel (Ni), 7% or less (excluding 0) of molybdenum (Mo), 10% or less (excluding 0) of tungsten (W), the remainder iron (Fe), and other unavoidable impurities.
    Type: Application
    Filed: December 1, 2017
    Publication date: March 19, 2020
    Inventors: Sang-Chul LEE, Il Wook HAN, Bong Keun LEE, Dong-Ryeol LEE, Geug KIM
  • Patent number: 10279436
    Abstract: Provided is a flux-cored arc welding material having remarkable impact resistance and abrasion resistance. The flux-cored arc welding material having remarkable impact resistance and abrasion resistance comprises: 0.1-0.75 wt % of C; 0.2-1.2 wt % of Si; 15-27 wt % of Mn; 2-7 wt % of Cr; 0.01 wt % or less of S; 0.018 wt % or less of P; 4.3-15 wt % of TiO2; 0.01-9 wt % of at least one selected from the group consisting of SiO2, ZrO2 and Al2O3; and the balance of Fe and other inevitable impurities. Further provided are a welding joint capable of all-position welding and having remarkable weldability, low temperature impact toughness and abrasion resistance, and thus a welding material very preferably applied to the manufacture of pipes used in the oil sand industry field and the like.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: May 7, 2019
    Assignee: POSCO
    Inventors: Bong-Keun Lee, Il-Wook Han, Jeong-Kil Kim, Sang-Chul Lee, Dong-Ryeol Lee, Geug Kim
  • Patent number: 10266929
    Abstract: Provided is an ultrahigh-strength gas metal arc welded joint having a high degree of impact toughness. The ultrahigh-strength gas metal arc welded joint comprises, by wt %, carbon (C): 0.05% to 0.1%, silicon (Si): 0.2% to 0.7%, manganese (Mn): 1.5% to 2.5%, nickel (Ni): 2.0% to 3.5%, chromium (Cr): 0.3% to 0.9%, copper (Cu): 0.1% to 0.3%, molybdenum (Mo): 0.5% to 0.8%, titanium (Ti): 0.02% to 0.04%, boron (B): 0.002% to 0.005%, aluminum (Al): 0.001% to 0.03%, nitrogen (N): 0.002% to 0.007%, phosphorus (P): 0.03% or less, sulfur (S): 0.03% or less, oxygen (O): 0.02% to 0.05%, and a balance of iron (Fe) and other inevitable impurities, satisfying 0.4?Ti/O?1.2., 2.8?Ti/N?9.0, 10?(2Ti+5B)/N?20, and 3.5?Mn+2Cr+3Mo+3Cu?7.5.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: April 23, 2019
    Assignee: POSCO
    Inventors: Hong-Chul Jeong, Dong-Ryeol Lee, Geug Kim
  • Publication number: 20180276913
    Abstract: Certain embodiments are described that provide a method for remotely monitoring vehicle electronic networks and predicting failures. Electronic module status data is received, remotely from a vehicle, from a plurality of modules on a vehicle electronic network in the vehicle. The status data for a plurality of vehicles is collected. The status data includes information indicative of potential future failure. The status data is correlated from the plurality of modules in the vehicle, for each of the plurality of vehicles, to provide correlated status data for each vehicle. The correlated status data is analyzed for the plurality of vehicles to identify a probable location of a potential failure in the at least one vehicle electronic network.
    Type: Application
    Filed: September 29, 2017
    Publication date: September 27, 2018
    Inventors: Mario R. Garcia, Omourtag Alexandrov Velev, Dong Ryeol Lee
  • Patent number: 10081804
    Abstract: Disclosed is a method for preparing the same. The method for preparing a carrier including ammonium oxidizing bacteria immobilized therein includes: preparing a PVA-alginate mixed solution containing PVA mixed with alginate; adding sludge containing ammonium oxidizing bacteria and sodium bicarbonate (NaHCO3) to the PVA-alginate mixed solution to obtain a foaming-beading solution; and dropping the foaming-beading solution to a saturated boric acid solution to obtain beads including sludge immobilized therein, wherein sodium bicarbonate (NaHCO3) is decomposed to produce carbon dioxide (CO2) which is discharged to the exterior of the beads to form pores in the beads, when the foaming-beading solution is dropped to the saturated boric acid solution to obtain beads including sludge immobilized therein.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: September 25, 2018
    Assignee: Korea Institute of Science and Technology
    Inventors: Hyokwan Bae, Seockheon Lee, Yunchul Chung, Jin Young Jung, Dae Hee Choi, Dong Ryeol Lee
  • Patent number: 10065272
    Abstract: An ultra high-strength flux-cored arc welded joint having excellent impact toughness comprises: 0.01 wt % to 0.06 wt % of carbon (C), 0.1 wt % to 0.5 wt % of silicon (Si), 1.5 wt % to 3.0 wt % of manganese (Mn), 2.5 wt % to 3.5 wt % of nickel (Ni), 0.5 wt % to 1.0 wt % of molybdenum (Mo), 0.4 wt % to 1.0 wt % of copper (Cu), 0.4 wt % to 1.0 wt % of chromium (Cr), 0.01 wt % to 0.1 wt % of titanium (Ti), 0.003 wt % to 0.007 wt % of boron (B), 0.001 wt % to 0.006 wt % of nitrogen (N), 0.02 wt % (excluding 0) or less of phosphorus (P), 0.01 wt % (excluding 0) or less of sulfur (S), 0.03 wt % to 0.07 wt % of oxygen (O), and remaining iron (Fe) as well as unavoidable impurities.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: September 4, 2018
    Assignee: POSCO
    Inventors: Hong-Chul Jeong, Jin-Woo Lee, Dong-Ryeol Lee, Il-Wook Han, Hong-Kil Lee
  • Publication number: 20180173219
    Abstract: A system that performs a method is disclosed. The system receives a desired destination and detects one or more energy characteristics about one or more batteries via one or more sensors. The system determines a current location of a vehicle via the one or more sensors, one or more possible routes to the desired destination, and route energy requirements for each of the one or more possible routes. The system then selects one or more routes based on the one or more energy characteristics about the one or more batteries and the route energy requirements.
    Type: Application
    Filed: September 29, 2017
    Publication date: June 21, 2018
    Inventors: Dong Ryeol Lee, Sangmin Oh
  • Publication number: 20170355979
    Abstract: Disclosed is a method for preparing the same. The method for preparing a carrier including ammonium oxidizing bacteria immobilized therein includes: preparing a PVA-alginate mixed solution containing PVA mixed with alginate; adding sludge containing ammonium oxidizing bacteria and sodium bicarbonate (NaHCO3) to the PVA-alginate mixed solution to obtain a foaming-beading solution; and dropping the foaming-beading solution to a saturated boric acid solution to obtain beads including sludge immobilized therein, wherein sodium bicarbonate (NaHCO3) is decomposed to produce carbon dioxide (CO2) which is discharged to the exterior of the beads to form pores in the beads, when the foaming-beading solution is dropped to the saturated boric acid solution to obtain beads including sludge immobilized therein.
    Type: Application
    Filed: November 28, 2016
    Publication date: December 14, 2017
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyokwan BAE, Seockheon LEE, Yunchul CHUNG, Jin Young JUNG, Dae Hee CHOI, Dong Ryeol LEE
  • Patent number: 9570800
    Abstract: By providing a radiator configuration circuit and a feeding circuit each having a simple structure, a ground radiation antenna having a more simplified fabrication process as well as a remarkably reduced fabrication cost is provided herein. Additionally, a ground radiation antenna having an excellent radiation performance, even when one side of a mobile communication terminal is covered with a conductive substance, such as an LCD panel, is also provided herein.
    Type: Grant
    Filed: October 6, 2013
    Date of Patent: February 14, 2017
    Assignee: RADINA CO., LTD
    Inventors: Hyun Min Jang, Hyeng Cheul Choi, Dong Ryeol Lee, Yang Liu, Hyung Jin Lee, Jae Kyu Yu
  • Publication number: 20160319408
    Abstract: Provided is an ultrahigh-strength gas metal arc welded joint having a high degree of impact toughness. The ultrahigh-strength gas metal arc welded joint comprises, by wt %, carbon (C): 0.05% to 0.1%, silicon (Si): 0.2% to 0.7%, manganese (Mn): 1.5% to 2.5%, nickel (Ni): 2.0% to 3.5%, chromium (Cr): 0.3% to 0.9%, copper (Cu): 0.1% to 0.3%, molybdenum (Mo): 0.5% to 0.8%, titanium (Ti): 0.02% to 0.04%, boron (B): 0.002% to 0.005%, aluminum (Al): 0.001% to 0.03%, nitrogen (N): 0.002% to 0.007%, phosphorus (P): 0.03% or less, sulfur (S): 0.03% or less, oxygen (O): 0.02% to 0.05%, and a balance of iron (Fe) and other inevitable impurities, satisfying 0.4?Ti/O?1.2., 2.8?Ti/N?9.0, 10?(2Ti+5B)/N?20, and 3.5?Mn+2Cr+3Mo+3Cu?7.5.
    Type: Application
    Filed: December 24, 2013
    Publication date: November 3, 2016
    Inventors: Hong-Chul JEONG, Dong-Ryeol LEE, Geug KIM
  • Publication number: 20160279742
    Abstract: Provided is a flux-cored arc welding material having remarkable impact resistance and abrasion resistance. The flux-cored arc welding material having remarkable impact resistance and abrasion resistance comprises: 0.1-0.75 wt % of C; 0.2-1.2 wt % of Si; 15-27 wt % of Mn; 2-7 wt % of Cr; 0.01 wt % or less of S; 0.018 wt % or less of P; 4.3-15 wt % of TiO2; 0.01-9 wt % of at least one selected from the group consisting of SiO2, ZrO2 and Al2O3; and the balance of Fe and other inevitable impurities. Further provided are a welding joint capable of all-position welding and having remarkable weldability, low temperature impact toughness and abrasion resistance, and thus a welding material very preferably applied to the manufacture of pipes used in the oil sand industry field and the like.
    Type: Application
    Filed: October 2, 2014
    Publication date: September 29, 2016
    Inventors: Bong-Keun LEE, Il-Wook HAN, Jeong-Kil KIM, Sang-Chul LEE, Dong-Ryeol LEE, Geug KIM
  • Publication number: 20160271740
    Abstract: Provided is a welding joint having remarkable impact resistance and abrasion resistance. The welding joint having remarkable impact resistance and abrasion resistance comprises 0.02-0.75 wt % of C, 0.2-1.2 wt % of Si, 15-27 wt % of Mn, 2-7 wt % of Cr, 0.025 wt % or less of S, 0.025 wt % or less of P, 0.001-0.4 wt % of N, and the balance of Fe and other inevitable impurities, and having a stacking-fault energy of 15-40 mJ/m2 at 20° C. Further provided are a welding joint having remarkable low temperature impact toughness and abrasion resistance, and a welding joint very preferably applied to a slurry pipe and the like used in the oil sand industry field related to oil production.
    Type: Application
    Filed: October 2, 2014
    Publication date: September 22, 2016
    Inventors: Bong-Keun Lee, Il-Wook Han, Sang-Chul Lee, Jeong-Kil Kim, Dong-Ryeol Lee, Geug Kim
  • Publication number: 20160273083
    Abstract: Provided is a welding material for submerged arc welding and gas metal arc welding, having remarkable impact resistance and abrasion resistance. The welding material for submerged arc welding and gas metal arc welding, having remarkable impact resistance and abrasion resistance, comprises: 0.12-0.75 wt % of C; 0.2-1.2 wt % of Si; 15-27 wt % of Mn; 2-7 wt % of Cr; 0.025 wt % or less of S; 0.020 wt % or less of P; and the balance of Fe and other inevitable impurities. Provided are a welding joint having remarkable weldability, low temperature impact toughness and abrasion resistance, and a welding material for submerged arc welding and gas metal arc welding very preferably applied to the manufacture of pipes used in the oil sand industry field and the like.
    Type: Application
    Filed: September 24, 2014
    Publication date: September 22, 2016
    Inventors: Bong-Keun LEE, Il-Wook HAN, Jeong-Kil KIM, Sang-Chul LEE, Dong-Ryeol LEE, Geug KIM
  • Publication number: 20150356455
    Abstract: Some embodiments are associated with a support vector machine having model parameters. According to some embodiments, a set of evaluation data may be received and a computer processor may automatically tune the model parameters during a training process using the set of evaluation data. The automatically tuned model parameters for the support vector machine may then be output directly from the training process.
    Type: Application
    Filed: June 6, 2014
    Publication date: December 10, 2015
    Inventors: Lei Wu, Weizhong Yan, Jianhui Chen, Dong Ryeol Lee
  • Publication number: 20150314397
    Abstract: An ultra high-strength flux-cored arc welded joint having excellent impact toughness comprises: 0.01 wt % to 0.06 wt % of carbon (C), 0.1 wt % to 0.5 wt % of silicon (Si), 1.5 wt % to 3.0 wt % of manganese (Mn), 2.5 wt % to 3.5 wt % of nickel (Ni), 0.5 wt % to 1.0 wt % of molybdenum (Mo), 0.4 wt % to 1.0 wt % of copper (Cu), 0.4 wt % to 1.0 wt % of chromium (Cr), 0.01 wt % to 0.1 wt % of titanium (Ti), 0.003 wt % to 0.007 wt % of boron (B), 0.001 wt % to 0.006 wt % of nitrogen (N), 0.02 wt % (excluding 0) or less of phosphorus (P), 0.01 wt % (excluding 0) or less of sulfur (S), 0.03 wt % to 0.07 wt % of oxygen (O), and remaining iron (Fe) as well as unavoidable impurities.
    Type: Application
    Filed: December 24, 2013
    Publication date: November 5, 2015
    Applicant: POSCO
    Inventors: Hong-Chul JEONG, Jin-Woo LEE, Dong-Ryeol LEE, Il-Wook HAN, Hong-Kil LEE
  • Patent number: 9153492
    Abstract: A semiconductor device and a method for fabricating the same are disclosed, which can prevent migration of copper (Cu) ion when forming a Through Silicon Via (TSV). The semiconductor device includes a through silicon via (TSV) formed to pass through a semiconductor substrate; an oxide film located at a lower sidewall of the TSV; and a first prevention film formed to cover an upper portion of the TSV, an upper sidewall of the TSV, and an upper surface of the oxide film.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: October 6, 2015
    Assignee: SK Hynix Inc.
    Inventor: Dong Ryeol Lee
  • Publication number: 20150187648
    Abstract: A semiconductor device and a method for fabricating the same are disclosed, which can prevent migration of copper (Cu) ion when forming a Through Silicon Via (TSV). The semiconductor device includes a through silicon via (TSV) formed to pass through a semiconductor substrate; an oxide film located at a lower sidewall of the TSV; and a first prevention film formed to cover an upper portion of the TSV, an upper sidewall of the TSV, and an upper surface of the oxide film.
    Type: Application
    Filed: March 11, 2015
    Publication date: July 2, 2015
    Inventor: Dong Ryeol LEE