Patents by Inventor Eun CHEON

Eun CHEON 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: 20250144605
    Abstract: A catalyst and a preparation method thereof, the catalyst providing a high production yield of C8 aromatic hydrocarbons in the conversion of a feedstock containing alkyl aromatics to C8 aromatic hydrocarbons such as mixed xylene through at least one of disproportionation, transalkylation, and dealkylation while reducing a content of ethylbenzene in the product.
    Type: Application
    Filed: January 10, 2025
    Publication date: May 8, 2025
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon, Yeon Ho Kim
  • Publication number: 20250072815
    Abstract: Provided are a device and method for generating information on vertigo by tracking changes in eyes and head position, a computer-readable recording medium, and a computer program. More specifically, according to the device and method, movement of a patient's eyes and head is tracked in a video of the patient on the basis of a deep learning model to generate information on vertigo. The computer program for implementing the method is stored in the computer-readable recording medium.
    Type: Application
    Filed: December 28, 2023
    Publication date: March 6, 2025
    Applicants: Industry Academic Cooperation Foundation, Hallym University, NEUROEARS CO., LTD.
    Inventors: Sung Kwang Hong, Eun-Cheon Lim, Changje Cho
  • Publication number: 20250070385
    Abstract: Provided are a separator and an electrochemical device using the same, in particular, a separator having significantly low heat shrinkage even at a high temperature and also significantly improved adhesive strength by including inorganic particles having specific fluorescence properties in the separator, and an electrochemical device using the same.
    Type: Application
    Filed: November 15, 2024
    Publication date: February 27, 2025
    Inventors: Jae Suk CHOI, Seon Ju LIM, Sang Yoon JI, Hye Jin PARK, Seung Woo LEE, Chang Q LEE, Young Eun CHEON
  • Patent number: 12166235
    Abstract: Provided are a separator and an electrochemical device using the same, in particular, a separator having significantly low heat shrinkage even at a high temperature and also significantly improved adhesive strength by including inorganic particles having specific fluorescence properties in the separator, and an electrochemical device using the same.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: December 10, 2024
    Assignees: SK INNOVATION CO., LTD., SK IE TECHNOLOGY CO., LTD.
    Inventors: Jae Suk Choi, Seon Ju Lim, Sang Yoon Ji, Hye Jin Park, Seung Woo Lee, Chang Q Lee, Young Eun Cheon
  • Publication number: 20240405377
    Abstract: An electrode plate assembly for a secondary battery module is disclosed, comprising a plurality of cells (100) arranged in a vertical stack (10). Each cell of the stack comprises a positive electrode plate (110), a negative electrode plate, and a separator. The separator is interposed between the positive electrode plate and the negative electrode plate and configured allow ions to move between the positive electrode plate and the negative electrode plate. The electrode plate assembly further comprises a plurality of contacting means (140) for electrical monitoring of the cells, wherein each of the plurality of contacting means is electrically connected to at least one of the positive and negative electrode plates of a respective one of the cells and arranged to protrude laterally from a side edge (101, 102, 103) of the cell. The contacting means are distributed spatially along a width (W) of the stack.
    Type: Application
    Filed: June 27, 2024
    Publication date: December 5, 2024
    Inventors: Rodyn GILHARRY, Csaba DOBI, Daniela BOK, Sang EUN CHEON
  • Publication number: 20240367157
    Abstract: Provided is a dehydrogenation catalyst having single-atom cobalt loaded onto a support including a zirconia core surface-modified with silica, a method for producing the dehydrogenation catalyst, and a method for producing corresponding olefin through dehydrogenation of paraffin, particularly light paraffin, in the presence of the dehydrogenation catalyst.
    Type: Application
    Filed: July 17, 2024
    Publication date: November 7, 2024
    Inventors: Ju Hwan Im, Dong Min Yun, Ho Won Lee, Young Eun Cheon, Hee Soo Kim
  • Publication number: 20240356179
    Abstract: An electrode plate assembly for a secondary battery module is disclosed, comprising a plurality of cells (100) arranged in a vertical stack (10). Each cell of the stack comprises a positive electrode plate (110), a negative electrode plate, and a separator. The separator is interposed between the positive electrode plate and the negative electrode plate and configured allow ions to move between the positive electrode plate and the negative electrode plate. The electrode plate assembly further comprises a plurality of contacting means (140) for electrical monitoring of the cells, wherein each of the plurality of contacting means is electrically connected to at least one of the positive and negative electrode plates of a respective one of the cells and arranged to protrude laterally from a side edge (101, 102, 103) of the cell. The contacting means are distributed spatially along a width (W) of the stack.
    Type: Application
    Filed: June 27, 2024
    Publication date: October 24, 2024
    Inventors: Rodyn GILHARRY, Csaba DOBI, Daniela BOK, Sang EUN CHEON
  • Patent number: 12064750
    Abstract: Provided is a dehydrogenation catalyst having single-atom cobalt loaded onto a support including a zirconia core surface-modified with silica, a method for producing the dehydrogenation catalyst, and a method for producing corresponding olefin through dehydrogenation of paraffin, particularly light paraffin, in the presence of the dehydrogenation catalyst.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: August 20, 2024
    Assignee: SK Innovation Co., Ltd.
    Inventors: Ju Hwan Im, Dong Min Yun, Ho Won Lee, Young Eun Cheon, Hee Soo Kim
  • Publication number: 20240234955
    Abstract: The present disclosure relates to an electrochemical cell having a stacked configuration and to a battery module comprising a plurality of said electrochemical cell, the cell comprising a positive electrode and a negative electrode, a separator arranged therebetween, and a sealant disposed between the positive electrode and the negative electrode, which comprises first and second adhesive layers and first and second scaling layers.
    Type: Application
    Filed: May 11, 2022
    Publication date: July 11, 2024
    Inventors: Sang Eun CHEON, Yong Kyoung KIM, Nicolas POTIN, Valeria DE VELASCO BERMUDEZ, Billy GRUNDSTRÖM
  • Publication number: 20240197218
    Abstract: The present disclosure relates to an eye movement analysis method performed in an eye movement analysis apparatus, the eye movement analysis method including: receiving a facial image; obtaining an eye image that corresponds to a part of an eye that determines a midpoint position of the eye in the facial image; analyzing movement of the eye based on movement of the midpoint position in the facial image; and visually displaying a direction of the movement of the eye.
    Type: Application
    Filed: November 14, 2023
    Publication date: June 20, 2024
    Applicants: Industry Academic Cooperation Foundation, Hallym University, Neuroears Co., Ltd.
    Inventors: Sung Kwang Hong, Eun-Cheon Lim, Changje Cho
  • Publication number: 20240128443
    Abstract: A silicon-carbon containing electrode material includes a porous carbon structure including pores, and a silicon-containing coating formed on the porous carbon structure. A volume ratio of mesopores is 70% or more based on a total pore volume of the porous carbon structure. A weight ratio of silicon is 30 wt % or more based on a total weight of the electrode material. A high-capacity secondary battery is effectively implemented by using silicon-carbon containing electrode material.
    Type: Application
    Filed: September 21, 2023
    Publication date: April 18, 2024
    Inventors: Hee Soo KIM, Yeon Ho KIM, Young Kwang KIM, Young Eun CHEON, Gwi Ok PARK, Seok Keun YOO
  • Patent number: 11932545
    Abstract: The present disclosure relates to a method for preparing a mordenite zeolite, the method including crystallizing, at a temperature of 150° C. to 190° C., a gel which includes, in mol based on 1 mol of silica, 0.02 to 0.2 of an alumina precursor, 0.01 to 0.04 of a structure-directing agent, 0.1 to 0.18 of a pH control agent, and 10 to 100 of water. According to the present disclosure, a mordenite zeolite having high particle size uniformity and a particle size controllable while maintaining the particle size uniformity may be prepared.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: March 19, 2024
    Assignee: SK Innovation Co., Ltd.
    Inventors: Young-Eun Cheon, Yeon-Ho Kim, Sang-Il Lee, Ji-Hoon Lee
  • Publication number: 20240018422
    Abstract: Disclosed are a process and system that are capable of performing selective hydrogenation on aromatic fractions by configuring a catalyst bed through staged loading of a plurality of hydrogenation catalysts with different catalytic properties, or configuring a catalyst system in which a plurality of hydrogenation catalysts are arranged using a plurality of reactors in such a way as to be equivalent with the staged loading, and as a result, are capable of suppressing aromatic loss while improving the selective removal of unsaturated hydrocarbons in the aromatic fraction and durability compared to the case of using a single catalyst.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 18, 2024
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon
  • Patent number: 11802248
    Abstract: Disclosed are a process and system that are capable of performing selective hydrogenation on aromatic fractions by configuring a catalyst bed through staged loading of a plurality of hydrogenation catalysts with different catalytic properties, or configuring a catalyst system in which a plurality of hydrogenation catalysts are arranged using a plurality of reactors in such a way as to be equivalent with the staged loading, and as a result, are capable of suppressing aromatic loss while improving the selective removal of unsaturated hydrocarbons in the aromatic fraction and durability compared to the case of using a single catalyst.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: October 31, 2023
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon
  • Patent number: 11779257
    Abstract: The present invention relates to an eye movement measurement method including the steps of: (a) presenting standardized nystagmus test items and receiving am image of an eye in accordance with the standardized nystagmus test items; (b) recognizing a pupil and an iris from the image of the eye; (c) calculating amounts of horizontal and vertical changes of the pupil and an amount of torsional movement of the iris; (d) determining change values and orientations for three axis directions of the eye on the basis of the amounts of the horizontal and vertical changes of the pupil and the amount of the torsional movement of the iris; and (e) generating a diagnosis result for vertigo through deep learning modeling on the basis of the change values and orientations of the three axis directions of the eye.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: October 10, 2023
    Assignee: HALLYM UNIVERSITY TECHNOLOGY HOLDINGS
    Inventors: Sung Kwang Hong, Eun Cheon Lim, Jeong Hye Park
  • Patent number: 11766664
    Abstract: Disclosed herein are a dehydrogenation catalyst having single-atom cobalt loaded onto a silica support that has undergone pretreatment including a thermal treatment and a high-temperature aqueous treatment (reaction), a preparation method therefor, and a method for producing olefins by dehydrogenating corresponding paraffins, particularly light paraffins in the presence of the dehydrogenation catalyst.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: September 26, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Young Eun Cheon, Hee Soo Kim, Dong Min Yun, Ho Won Lee, Ju Hwan Im
  • Publication number: 20230299421
    Abstract: Provided are a separator and an electrochemical device using the same, in particular, a separator having significantly low heat shrinkage even at a high temperature and also significantly improved adhesive strength by including inorganic particles having specific fluorescence properties in the separator, and an electrochemical device using the same.
    Type: Application
    Filed: March 14, 2023
    Publication date: September 21, 2023
    Inventors: Jae Suk CHOI, Seon Ju LIM, Sang Yoon JI, Hye Jin PARK, Seung Woo LEE, Chang Q LEE, Young Eun CHEON
  • Publication number: 20230249166
    Abstract: Disclosed are a catalyst and a preparation method therefor, the catalyst being able to maintain a high production yield of C8 aromatic hydrocarbons in the process of converting a feedstock containing alkyl aromatics to C8 aromatic hydrocarbons such as mixed xylene through disproportionation/transalkylation/dealkylation while reducing a content of ethylbenzene in the products.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Inventors: Sang Il Lee, Ji Hoon Lee, Young Eun Cheon, Yeon Ho Kim
  • Patent number: 11701640
    Abstract: Disclosed herein are a dehydrogenation catalyst having single-atom cobalt loaded onto a silica support that has undergone pretreatment including a thermal treatment and a high-temperature aqueous treatment (reaction), a preparation method therefor, and a method for producing olefins by dehydrogenating corresponding paraffins, particularly light paraffins in the presence of the dehydrogenation catalyst.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: July 18, 2023
    Assignee: SK Innovation Co., Ltd.
    Inventors: Young Eun Cheon, Hee Soo Kim, Dong Min Yun, Ho Won Lee, Ju Hwan Im
  • Publication number: 20230216141
    Abstract: Provided are a separator and a method for producing the same, and more particularly, a separator which may secure battery stability and has characteristics of significantly low heat shrinkage even at a high temperature and minimally increased resistance, and a method for producing the same. The separator according to the present disclosure includes: a porous substrate; and an inorganic particle layer positioned on one or both surfaces of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a rod-shaped inorganic binder.
    Type: Application
    Filed: January 4, 2023
    Publication date: July 6, 2023
    Inventors: Chang Q LEE, Sang Yoon Ji, Hye Jin Park, Young Eun Cheon, Sang Hoon Kim, Jae Suk Choi