Patents by Inventor Ju Young Choi

Ju Young 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: 20250132396
    Abstract: An all-solid-state secondary battery includes a cell stack having a stack structure, and a protective member including a first thermoplastic resin layer, a second thermoplastic resin layer, and a third thermoplastic resin layer sequentially stacked, and being disposed on a peripheral portion, in which the cathode layer is not disposed, of the solid-state electrolyte layers, while being interposed between the two solid-state electrolyte layers disposed to be adjacent to each other such that the cathode layer is interposed between the two solid-state electrolyte layers. A glass transition temperature of the first thermoplastic resin layer and a glass transition temperature of the third thermoplastic resin layer are lower than a glass transition temperature of the second thermoplastic resin layer.
    Type: Application
    Filed: May 16, 2024
    Publication date: April 24, 2025
    Inventors: Tae Young KWON, Jong Hwan CHOI, Yong Jun LEE, Ju Min KIM, Yong Hun LEE
  • Publication number: 20250087673
    Abstract: A positive active material for a lithium secondary battery according to an exemplary embodiment includes a lithium composite transition metal oxide and a surface layer formed on a particle surface of the lithium composite transition metal oxide, and a content of nickel (Ni) in the lithium composite transition metal oxide. is more than 0.85 mol, the surface layer contains cobalt (Co) and aluminum (Al), and in the surface layer, the distribution of the cobalt (Co) and aluminum (Al) components have different concentration gradients.
    Type: Application
    Filed: December 9, 2022
    Publication date: March 13, 2025
    Applicants: POSCO Holdings Inc., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO FUTURE M CO., LTD.
    Inventors: Kijoo HONG, Byong Yong YU, Kwon Young CHOI, Ju Seong KIM, Sang Cheol NAM
  • 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: 20250062514
    Abstract: Provided is an electrode protection member comprising a lower structure including a carbon-based tubular body whose surface is functionalized with a hydroxy group; and a composite resin part including a thermoset resin and an ultraviolet curing resin disposed on the lower structure, a manufacturing method of the electrode protection membrane, and an all-solid-state battery including the electrode protection member.
    Type: Application
    Filed: March 21, 2024
    Publication date: February 20, 2025
    Inventors: Yong Hun Lee, Ju Min Kim, Yong Jun Lee, Tae Young Kwon, Jong Hwan Choi
  • Publication number: 20250042234
    Abstract: A storage system for a vehicle has a configuration capable of storing a plurality of high-voltage battery packs in a separably assembled state in a seat backboard of the vehicle through a coupling structure of a protrusion and a groove. Only a broken or failed high-voltage battery pack from among a plurality of high-voltage battery packs assembled to the seat backboard is separated from the seat backboard, and a new high-voltage battery pack can then replace the failed high-voltage battery pack through assembly thereof to the seat backboard at a position from which the failed high-voltage battery pack has been separated.
    Type: Application
    Filed: December 5, 2023
    Publication date: February 6, 2025
    Inventors: Suk Won Hong, Hyeong Jong Kim, Ju Yeol Kong, Byeong Kwang Kim, So Young Yoo, Han Su Yoo, Byung Yong Choi, Sang Do Park, Seong Hyeon Shin
  • Publication number: 20250033568
    Abstract: A vehicle seat apparatus includes: a receiving device provided on a seat of a vehicle, where an auxiliary battery and a portable electronic device are received in the receiving device, and a controller that controls power transmission between the auxiliary battery received in the receiving device and a convenience device of the seat. The receiving device is provided on a back board of the seat, and the auxiliary battery and the portable electronic device may be received in the receiving device or taken from the receiving device. During charging, the auxiliary battery is charged with power of a vehicle power supply or the portable electronic device is wirelessly charged with power of the auxiliary battery in normal times, and the power of the auxiliary battery may be supplied to the convenience device of the seat in an emergency.
    Type: Application
    Filed: March 18, 2024
    Publication date: January 30, 2025
    Inventors: Suk Won Hong, Hyeong Jong Kim, Ju Yeol Kong, Byeong Kwang Kim, Seong Hyeon Shin, Han Su Yoo, Byung Yong Choi, Sang Do Park, So Young Yoo, Jeong Mi Seo
  • Publication number: 20250034101
    Abstract: Disclosed are oxadiazole compounds and pharmaceutically acceptable salts thereof. The compounds and pharmaceutically acceptable salts thereof are specifically suitable for the treatment of neurological diseases such as epilepsy.
    Type: Application
    Filed: October 10, 2024
    Publication date: January 30, 2025
    Inventors: Choon Ho RYU, Min Soo HAN, Yeo Jin YOON, Yu Jin KIM, Ka Eun LEE, Ju Young LEE, Myung Jin JUNG, Eun Hee BAEK, Yu Jin SHIN, Eun Ju CHOI, Young Soon KANG, Yong Soo KIM, Yea Mi SONG, Jin Sung KIM, Hee Jeong LIM
  • Publication number: 20240190836
    Abstract: The present disclosure relates to a xanthene derivative compound with a high refractive index and a manufacturing method therefor. More specifically, provided herein is a compound that has a xanthene-based complex cardo structure and a high refractive index and can be used as a monomer in optical resins requiring a refractive index of 1.7 or higher, and a (co)polymer and an optical lens manufactured therefrom. Given, the xanthene-based complex cardo structure of the compound maximally suppresses the fluidity of the molecular chains and can find applications in the production of resins with high glass transition temperature and excellent thermal stability.
    Type: Application
    Filed: September 26, 2023
    Publication date: June 13, 2024
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Younchul KIM, Hend A. Hegazy, Ju Young CHOI, Changsik SONG
  • Publication number: 20230285972
    Abstract: A particle filtration device according to an embodiment of the present invention as a particle filtration device of a lab-on-disk of a rotation type includes: a filtration film that separates particles by filtering a sample; a main chamber connected to the inlet surface of the filtration film and supplying the sample to the inlet surface of the filtration film; an outlet chamber that is connected to the outlet surface of the filtration film and accommodates the filtration fluid from which particles are separated while passing through the filtration film; and a waste fluid chamber connected to the outlet chamber and storing the filtration fluid, wherein the particle filtration device includes a first flow path that connects between the outlet chamber and the waste fluid chamber, and a second flow path that connects between the outlet chamber and the waste fluid chamber but is positioned farther from the center of the lab-on-disk than the first flow path.
    Type: Application
    Filed: June 22, 2021
    Publication date: September 14, 2023
    Inventors: Kyusang LEE, Hee Chul Park, Ju Young CHOI, Yoon Kyoung CHO
  • Patent number: 11757199
    Abstract: Provided is a reflective intelligent reflecting surface (IRS) flexible board, which includes: a flexible film; and a plurality of unit cells formed on the flexible film, in which each of the plurality of unit cells includes an IC for adjusting a reflection phase, a line pattern for driving the IC, and first and second antenna patterns formed symmetrically to each other based on the IC or the line pattern.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: September 12, 2023
    Assignee: Research & Business Foundation Sungkyunkwan University
    Inventors: Minh Tran Nguyen, Muhammad Miftahul Amri, Kae Won Choi, Dong In Kim, Ju Young Choi, Je Hyeon Park
  • Publication number: 20230198047
    Abstract: A composite pad and a battery module including the same are disclosed. The composite pad is a pad including a first pad surface and a second pad surface positioned opposite the first pad surface. The composite pad includes a pad body with elasticity, and a heat conduction part with thermal conductivity coupled to the pad body and connected to an edge of the pad. The pad body forms at least a portion of the first pad surface and forms at least a portion of the second pad surface.
    Type: Application
    Filed: December 20, 2022
    Publication date: June 22, 2023
    Inventors: Jeong Tae HWANG, Jung Hyun SEO, Eun Sam CHO, Ju Young CHOI
  • Publication number: 20230090579
    Abstract: The present embodiments relate to a fluid control device using centrifugal force. The fluid control device using centrifugal force includes a fluid control portion comprising a plurality of chambers and controlling a movement of a fluid inside the chamber; a lower fixing portion positioned on a lower portion of the fluid control portion and fixing the plurality of chambers; an upper fixing portion positioned an on upper portion of the fluid control portion and fixing the plurality of chambers; and a fastening member penetrating and fastening the lower fixing portion, the fluid control portion, and the upper fixing portion, wherein the plurality of chambers are disposed to face each other and placed on the lower fixing portion.
    Type: Application
    Filed: February 8, 2021
    Publication date: March 23, 2023
    Inventors: Kyusang LEE, Hee Chul PARK, Ju Young CHOI
  • Publication number: 20220384960
    Abstract: Provided is a reflective intelligent reflecting surface (IRS) flexible board, which includes: a flexible film; and a plurality of unit cells formed on the flexible film, in which each of the plurality of unit cells includes an IC for adjusting a reflection phase, a line pattern for driving the IC, and first and second antenna patterns formed symmetrically to each other based on the IC or the line pattern.
    Type: Application
    Filed: May 26, 2022
    Publication date: December 1, 2022
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Minh Tran Nguyen, Muhammad Miftahul Amri, Kae Won CHOI, Dong In KIM, Ju Young CHOI, Je Hyeon PARK
  • Publication number: 20220344007
    Abstract: The present invention relates to a pet genome-based matchmaking social network system and a method for providing pet genome-based matchmaking information, the system comprising: a gene analysis device unit which provides pet gene analysis information; a bioinformatics information analysis device unit which provides information that may appear during breeding through bioinformatics analysis based on the gene analysis information; a basic information input unit which receives various information about pets from pet owners; a database unit which stores collected and analyzed information; and a pet matching recommendation unit which recommends a pet with the highest matching degree according to an application for matching.
    Type: Application
    Filed: July 8, 2022
    Publication date: October 27, 2022
    Inventors: Byoung Chul KIM, Su Bin CHOI, Chang Jae KIM, Jong Hwa BHAK, Young June BHAK, Ji Hye AN, Hyo Jin UM, Ju Young CHOI
  • Publication number: 20220314238
    Abstract: The present exemplary embodiments provide a chamber for a centrifugal separator and a centrifugal separator including the same. A chamber for a centrifugal separator according to an exemplary embodiment includes a main body including a separation unit in which each component of a centrifuged sample is separated and positioned and an extraction unit configured to move and accommodate each component positioned in the separation unit, an upper plate including an injection port for injecting a sample for centrifugation and a draw-out port for drawing out the separated component that is accommodated in the extraction unit to the outside, and a lower plate configured to close and seal an opening at a lower portion of the main body.
    Type: Application
    Filed: September 29, 2020
    Publication date: October 6, 2022
    Inventors: Kyusang LEE, Hee Chul PARK, Ju Young CHOI
  • Patent number: 11349327
    Abstract: An embodiment of the present invention is directed to providing an apparatus and a control method for a battery management system (BMS) that may operate in an optimal charging temperature range to suppress deterioration of battery cells during rapid charging of a secondary battery that requires a high charging current.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: May 31, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Yong Hee Lee, Jae Yun Min, Ju Young Choi
  • Patent number: 11097240
    Abstract: The present invention relates to a pickering emulsion composition using polyimide particles and a method for preparing the same. The pickering emulsion stabilized by the polyimide particles according to the present invention has a very stable dispersed phase and does not cause flocculation, creaming, coalescence and phase separation even after a long time, and has an advantage of being capable of forming both an oil-in-water type emulsion and a water-in-oil type emulsion. Further, the polyimide particles used in the present invention can be synthesized in a simple manner and have partial wettability without the surface treatment and pH control so that they can be easily used for the emulsion stabilization.
    Type: Grant
    Filed: November 10, 2017
    Date of Patent: August 24, 2021
    Assignees: UNIVERSITY INDUSTRY FOUNDATION, YONSEI UNIVERSITY WONJU CAMPUS, RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Chan Moon Chung, Kwang Myong Lee, Yu Jin Cho, Ju Young Choi, Beom Jun Kim, Jin Won Jeong, Dong Min Kim
  • Publication number: 20200366118
    Abstract: An embodiment of the present invention is directed to providing an apparatus and a control method for a battery management system (BMS) that may operate in an optimal charging temperature range to suppress deterioration of battery cells during rapid charging of a secondary battery that requires a high charging current.
    Type: Application
    Filed: May 14, 2020
    Publication date: November 19, 2020
    Inventors: Yong Hee LEE, Jae Yun MIN, Ju Young CHOI
  • Patent number: 10818885
    Abstract: The present invention provides a lithium secondary battery. In particular, the present invention provides an adhesive pad for a lithium secondary battery in which the adhesive pad including the substrate layer and the adhesive layer formed on at least one surface of the substrate layer is adhered to at least one surface of the exterior material through the adhesive layer, such that it is possible to reduce the danger of ignition or explosion by improving penetration safety when applying to the lithium secondary battery, and a lithium secondary battery including the same.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: October 27, 2020
    Assignee: SK Innovation Co., Ltd.
    Inventors: Min-Seong Kim, Eun-Young Kang, Ju-Young Choi
  • Patent number: 10680221
    Abstract: Provided is a venting system of a pouch type lithium secondary battery. According to an exemplary embodiment of the present invention, the venting system of a pouch type lithium secondary battery includes a venting device that controls opening and closing of a passage communicating an internal pressure of a pouch to discharge gas from an inner portion of the pouch.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: June 9, 2020
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Ju-Young Choi, Kwan-Yong Kim, Jin-Go Kim, Suk-Hwan Yoon