Patents by Inventor Jae Suk Choi

Jae Suk Choi 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: 20250149698
    Abstract: The present disclosure relates to a battery pack configured to accommodate a battery module including a cell stack in which a plurality of cells are stacked, including: a pack case including a base plate configured to support a lower portion of the battery module, a main partition wall coupled to a center portion of the base plate and formed to extend across the base plate, a side wall coupled along an edge of the base plate, and an auxiliary partition wall having both ends coupled to the main partition wall and the side wall, respectively; and a long bolt member coupled to the pack case by passing through the auxiliary partition wall such that the auxiliary partition wall is coupled to the main partition wall and the side wall.
    Type: Application
    Filed: July 7, 2023
    Publication date: May 8, 2025
    Inventors: Chang Hyeon YANG, Jong Hwa CHOI, Jae Hyun LEE, Hyoung Suk LEE, Ju Hwan SHIN
  • Publication number: 20250149666
    Abstract: A secondary battery comprises an electrode comprising a cathode comprising a cathode current collector and a cathode mixture layer on at least one surface of the cathode current collector, and an anode comprising an anode current collector and an anode mixture layer on at least one surface of the anode current collector, and a porous substrate separator, and a battery case comprising the electrode assembly and an electrolyte, wherein at least one of the cathode mixture layer, the anode mixture layer, the separator, and an internal surface of the battery case comprises zeolite, and wherein the zeolite has a ratio of liquid-phase adsorption capacity to gas-phase adsorption capacity of about 0.5 to about 1.5.
    Type: Application
    Filed: October 22, 2024
    Publication date: May 8, 2025
    Inventors: Jae Suk CHOI, Seung Woo LEE, Chang Q LEE, Il Gu JUNG
  • Patent number: 12291132
    Abstract: Provided is a device for adjusting a seat of a vehicle. The device integrates a fold-and-dive function in addition to a walk-in function of a seat and also enables a forward or backward sliding movement function of the seat to be linked with other functions, so that the walk-in operation that tilts second-row seats or third-row seats to a forward direction for securing an aisle for a passenger to get in or out of the vehicle may be easily performed. Further, the walk-in operation state may be robustly maintained since the seat is robustly fixed after the walk-in operation is performed, and the device contributing to a standardization in which various functions in addition to the walk-in function are integrated with each other and contributing to functional expandability may be provided.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: May 6, 2025
    Assignees: Hyundai Motor Company, Kia Corporation, DAS CO., LTD, Hyundai Transys Inc.
    Inventors: Ho Suk Jung, Sang Ho Kim, Jun Hwan Lee, Mu Young Kim, Sang Soo Lee, Sang Do Park, Chan Ho Jung, Dong Man Lee, Woo Ryang Kim, Jae Hwa Choi, Jong Beom Na, Cheol Hwan Yoon, Hae Dong Kwak, Jun Sik Hwang, Jung Bin Lee
  • Publication number: 20250136084
    Abstract: A method of controlling a hybrid electric vehicle includes checking a vehicle driving state and determining whether to satisfy a predetermined engine clutch engagement prohibition condition, by a controller, generating and outputting a control command for prohibiting engine clutch engagement and maintaining an engine clutch in an open state, by the controller, when it is determined that the predetermined engine clutch engagement prohibition condition is satisfied from the vehicle driving state, and controlling to maintain the engine clutch in the open state that is a power cut-off state, by the control command output from the controller.
    Type: Application
    Filed: January 11, 2024
    Publication date: May 1, 2025
    Inventors: Jung Yong Choi, Jae Hyoung Jeong, Hyung Min Kim, Hyeok Jun Kwon, Sang Won Lee, Yeon Bok Kim, Jung Suk Han
  • Publication number: 20250121086
    Abstract: A liver-targeted drug and therapeutic use thereof for diseases requiring drug action in the liver are disclosed. A method in which a substance having activity with respect to glucagon is used so as to induce delivery of the liver-targeted drug to liver tissues or an increase in distribution of the drug in liver tissues after in vivo administration.
    Type: Application
    Filed: December 22, 2022
    Publication date: April 17, 2025
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Jung Kuk KIM, Jong Suk LEE, Jae Hyuk CHOI, Jong Min LEE, Sang Yun KIM
  • Publication number: 20250083133
    Abstract: In the present disclosure, a dehydrogenation catalyst in which cobalt in the form of single atom is supported on an inorganic oxide (specifically, silica) support in which an alkali metal in the form of single atom is fixed by alkali metal pretreatment and a method for producing the same, and a method for producing olefins by dehydrogenating corresponding paraffins, specifically light paraffins in the presence of the dehydrogenation catalyst are described.
    Type: Application
    Filed: November 26, 2024
    Publication date: March 13, 2025
    Inventors: Ho Won Lee, Je Mi Lim, Hee Soo Kim, Ju Hwan Im, Dae Hyun Choo, Ka Young Kim, Jae Suk Choi
  • Publication number: 20250073337
    Abstract: A skin-permeable peptide, a derivative thereof, or a fragment thereof of the present disclosure effectively delivers skin bioactive molecules deep into the skin tissues through assembly or fusion methods, thereby providing outstanding skin permeability as well as excellent skin residual effect of bioactive materials to maximize bioactive efficacy. Accordingly, the skin-permeable peptide, derivative thereof, or fragment thereof may be widely used as an active ingredient of a pharmaceutical composition for external use and a functional cosmetic composition that target skin tissues including mucous membranes.
    Type: Application
    Filed: March 31, 2022
    Publication date: March 6, 2025
    Applicant: CELLICON LAB INC.
    Inventors: Min Gyu SOUNG, Bo Kyung PARK, Won Suk CHOI, Young Pil JEONG, Jae Hoo PARK, Eun Jeong PARK
  • 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: 12161999
    Abstract: In the present disclosure, a dehydrogenation catalyst in which cobalt in the form of single atom is supported on an inorganic oxide (specifically, silica) support in which an alkali metal in the form of single atom is fixed by alkali metal pretreatment and a method for producing the same, and a method for producing olefins by dehydrogenating corresponding paraffins, specifically light paraffins in the presence of the dehydrogenation catalyst are described.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: December 10, 2024
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Ho Won Lee, Je Mi Lim, Hee Soo Kim, Ju Hwan Im, Dae Hyun Choo, Ka Young Kim, Jae Suk Choi
  • 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: 20240326027
    Abstract: In the present disclosure, a heterogeneous nickel-based oligomerization catalyst in which nickel in the form of single atom is loaded on an Al-mesoporous silicate support by ion exchange and a method for producing the same, and a method for oligomerizing light olefins, specifically C4 olefins using the catalyst are described.
    Type: Application
    Filed: June 10, 2024
    Publication date: October 3, 2024
    Inventors: Jae Suk Choi, Ka Young Kim, Hee Soo Kim, Ju Hwan Im, Dae Hyun Choo, Ho Won Lee, Je Mi Lim
  • Publication number: 20240282987
    Abstract: A system for generating electricity and hydrogen is provided. The system includes a fuel cell unit, a liquid-gas separation unit, and a hydrogen separation unit. The fuel cell unit generates electricity and produces a fuel cell unit effluent stream containing hydrogen from a feed containing natural gas and water. The fuel cell unit includes a reformer, and the reformer includes a burner. The liquid-gas separation unit separates the fuel cell unit effluent stream into a liquid stream and a gas stream. The hydrogen separation unit separates the gas stream into a hydrogen stream and an off-gas stream. At least a portion of the off-gas stream is transferred to the burner of the reformer. The system can generate electricity and high purity hydrogen.
    Type: Application
    Filed: January 30, 2024
    Publication date: August 22, 2024
    Inventors: Young Dae Kim, Chang Kuk Kim, Ki Yeon Jeon, Jae Suk Choi, Seung Tae Ryu, Yeo Min Yoon
  • Patent number: 12042787
    Abstract: In the present disclosure, a heterogeneous nickel-based oligomerization catalyst in which nickel in the form of single atom is loaded on an Al-mesoporous silicate support by ion exchange and a method for producing the same, and a method for oligomerizing light olefins, specifically C4 olefins using the catalyst are described.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: July 23, 2024
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Jae Suk Choi, Ka Young Kim, Hee Soo Kim, Ju Hwan Im, Dae Hyun Choo, Ho Won Lee, Je Mi Lim
  • Publication number: 20240018421
    Abstract: Provided is a technology to convert an oil having a high content of Cl into a solvent. Impurities such as Cl, S, N, and metals are removed from an oil having a boiling point of 340° C. or lower in a waste oil having a high content of Cl, and hydrogenation is carried out to recover an oil, and the oil may be applied as a solvent. Separation by boiling points to meet the properties of the solvent product is performed, a solid acid material and an oil having a high Cl content are mixed, impurities are removed by a heat treatment at a high temperature, and hydrogenation is carried out with a metal oxide catalyst, thereby manufacturing a solvent product.
    Type: Application
    Filed: September 25, 2023
    Publication date: January 18, 2024
    Inventors: Do Kyoung Kim, Ka Young Kim, Jeong Eop Choi, Ok Youn Kim, Hee Soo Kim, Young Moo Park, Ho Won Lee, Jae Suk Choi, Hee Jung Jeon
  • Patent number: 11814589
    Abstract: Provided is a technology to convert an oil having a high content of Cl into a solvent. Impurities such as Cl, S, N, and metals are removed from an oil having a boiling point of 340° C. or lower in a waste oil having a high content of Cl, and hydrogenation is carried out to recover an oil, and the oil may be applied as a solvent. Separation by boiling points to meet the properties of the solvent product is performed, a solid acid material and an oil having a high Cl content are mixed, impurities are removed by a heat treatment at a high temperature, and hydrogenation is carried out with a metal oxide catalyst, thereby manufacturing a solvent product.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: November 14, 2023
    Assignees: SK Innovation Co., Ltd., SK Geo Centric Co., Ltd.
    Inventors: Do Kyoung Kim, Ka Young Kim, Jeong Eop Choi, Ok Youn Kim, Hee Soo Kim, Young Moo Park, Ho Won Lee, Jae Suk Choi, Hee Jung Jeon
  • 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: 20230216144
    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 sheet-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
  • 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
  • Publication number: 20230144299
    Abstract: Provided are a method for producing boehmite nanoparticles and an apparatus for producing the same, and more particularly, a method for producing boehmite nanoparticles and an apparatus for producing the same, which allow continuous production of nano-sized boehmite nanoparticles in a uniform size. The method for producing boehmite nanoparticles includes (S1) supplying a mixture including an aluminum hydroxide and an organic acid to a reaction unit; and (S2) heating and pressurizing the mixture supplied to the reaction unit simultaneously and sequentially.
    Type: Application
    Filed: November 8, 2022
    Publication date: May 11, 2023
    Inventors: Seung Woo Lee, Chang Q Lee, Jae Suk Choi, Hye Jin Park, Young Eun Cheon
  • Publication number: 20230117406
    Abstract: Provided are a nano-sized thin sheet-like pseudoboehmite and a method of producing the same. The method of producing a sheet-like pseudoboehmite is performed by a one-pot method, unlike the conventional method of performing the reaction first in a basic solution, and then performing redispersion in an acidic solution, thereby simplifying the production process, and thus, may be useful in the production industry of a separator for a secondary battery, and the like.
    Type: Application
    Filed: September 23, 2022
    Publication date: April 20, 2023
    Inventors: Young Eun Cheon, Hye Jin Park, Chang Q Lee, Jae Suk Choi