Patents by Inventor Hyun-Ji Kim

Hyun-Ji 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).

  • Publication number: 20240153710
    Abstract: A multilayer electronic component includes: a body including a dielectric layer and an internal electrode; and external electrodes disposed on the body. An average content of indium (In) relative to titanium (Ti) satisfies 0.3 at % or more and 3.8 at % or less in a region of the dielectric layer that is spaced apart by 2 nm from an interface thereof with the internal electrode.
    Type: Application
    Filed: August 25, 2023
    Publication date: May 9, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Oh KIM, Byung Kun KIM, Yu Hong OH, Hyun Ji YANG
  • Publication number: 20240145872
    Abstract: Provided are a separator for a secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, having appropriate porosity and an appropriate pore size to lead to excellent strength and safety, and having excellent ion conductivity and resistance characteristics due to interconnected pore passages. In the separator for a secondary battery, an RS value represented by Equation 1 below is greater than 5 and less than 10: R S = P D × G ? Equation ? 1 ? wherein in Equation 1, RS denotes a separator performance index, P denotes an average porosity value (%) of the separator, D denotes an average pore diameter value (?m) of the separator, and G denotes an air permeability value (sec/100 cc) of the separator.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 2, 2024
    Inventors: Chang Mook HWANG, Hyun Ji KIM, Jong Hyeok LEE, Yoon Ji JO
  • Publication number: 20240145862
    Abstract: Provided are a separator for a secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, having appropriate porosity and an appropriate pore size to lead to excellent strength and safety, and having excellent ion conductivity and resistance characteristics due to interconnected pore passages. The manufacturing method of a separator for a secondary battery includes: molding a separator manufacturing composition into a separator manufacturing sheet; and extracting a diluent from the separator manufacturing sheet with a polar aprotic organic solvent.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 2, 2024
    Inventors: Chang Mook HWANG, Hyun Ji KIM, Jong Hyeok LEE, Yoon Ji JO
  • Patent number: 11952443
    Abstract: The present disclosure relates to a composition for preparing a vinyl chloride-based polymer and a method of preparing a vinyl chloride-based polymer using the same, and provides the composition giving excellent productivity for preparing a vinyl chloride-based polymer includes while maintaining excellent foaming and viscosity properties of a plastisol including the prepared vinyl chloride-based polymer, by including a pH regulator composed of a carbonate-based metal salt, and a transition metal catalyst in the composition, and controlling an amount of the transition metal catalyst, and controlling an amount of a reducing agent such that a trace amount or none of the reducing agent is included, and the method of preparing a vinyl chloride-based polymer using the same.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: April 9, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Yang Jun Jeon, Hyun Min Lee, Hyun Kyou Ha, Kun Ji Kim, Kwang Jin Lee, Jin Hyuck Ju, Jae Hyun Park
  • Patent number: 11952442
    Abstract: The present disclosure provides a method for preparing a vinyl chloride-based polymer, the method including a step of injecting an ionizable normal salt and polymerizing a vinyl chloride monomer in the presence of one or more emulsifiers and a polymerization initiator, wherein the ionizable normal salt includes a carbonate metal salt or a sulfite metal salt, and the ionizable normal salt is continuously injected in an amount of 70 to 1200 ppm based on the total weight of the vinyl chloride monomer when a polymerization conversion rate is in a range of 0% to 20%. The method capable of preparing a vinyl chloride-based polymer suitable as an eco-friendly material, while not affecting the rate of polymerization reaction and decreasing the generation amount of total volatile organic compounds by controlling the injection time, injection amount and kind of the ionizable normal salt, is provided.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: April 9, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Jin Hyuck Ju, Hyun Min Lee, Hyun Kyou Ha, Kun Ji Kim, Kwang Jin Lee, Yang Jun Jeon, Jae Hyun Park
  • Publication number: 20240081001
    Abstract: A display device includes a display panel having a folding axis extending in a first direction; and a panel supporter disposed on a surface of the display panel. The panel supporter includes a first layer including a first base resin and first fiber yarns extending in the first direction and dispersed in the first base resin, a second layer disposed on the first layer, the second layer including a second base resin and second fiber yarns extending in a second direction intersecting the first direction and dispersed in the second base resin, and a third layer disposed on the second layer, the third layer including a third base resin and third fiber yarns extending in the first direction and dispersed in the third base resin.
    Type: Application
    Filed: May 1, 2023
    Publication date: March 7, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Soh Ra HAN, Yong Hyuck LEE, Hong Kwan LEE, Hyun Jun CHO, Min Ji KIM, Sung Woo EO, Eun Gil CHOI, Sang Woo HAN
  • Publication number: 20240076788
    Abstract: Disclosed are an oxidizing electrode, a water electrolysis device including the same and a method for manufacturing the same. According to exemplary embodiments of the present disclosure, there is provided an oxidizing electrode with improved performance at low loadings of noble metals, especially, ruthenium (Ru) and iridium oxide, in which a ruthenium (Ru) layer and an iridium oxide layer formed on a substrate by electrodeposition in a sequential order are supported by electrochemical reaction rather than physical bonding.
    Type: Application
    Filed: January 18, 2023
    Publication date: March 7, 2024
    Inventors: Hyun S. PARK, Jong Hyun JANG, Hee-Young PARK, Su Ji LEE, Sung Jong YOO, Jin Young KIM, Jimin KONG, Jin-ho OH, So Young LEE
  • Patent number: 11925112
    Abstract: The present invention provides a novel compound that can improve the luminous efficiency, stability and life span of the element, an organic electronic element using the same, and an electronic device thereof.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: March 5, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Je Woo Lee, Hyun Ji Oh, Sun Hee Lee, Won Sam Kim, Byoung Yeop Kang
  • Patent number: 11888155
    Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer including a plurality of active material layers sequentially disposed on the cathode current collector which include different types of cathode active material particles from each other. DA determined by the present disclosure of an active material layer closest to the cathode current collector among the plurality of active material layers is 0.5 ?m or less.
    Type: Grant
    Filed: August 9, 2023
    Date of Patent: January 30, 2024
    Assignee: SK ON CO., LTD.
    Inventors: Jong Hyeok Lee, Hyun Ji Kim, Yoon Ji Jo, Chang Mook Hwang
  • Publication number: 20230390396
    Abstract: The present invention provides a composition containing acid hydrochloride, the composition comprising 5-aminolevulinic acid hydrochloride, fermented Codonopsis lanceolata extract, a Cordyceps militaris extract, krill oil, polydeoxyribonucleotide sodium, propylene glycol, hyaluronidase, L-carnitine, caffeine, Origanum vulgare leaf oil, ascorbic acid (vitamin C), allantoin, cetyl alcohol and mineral water.
    Type: Application
    Filed: October 25, 2021
    Publication date: December 7, 2023
    Inventors: Jin Wang KIM, Jung Ok LEE, Hyun Ji KIM, Hyun Woo KIM
  • Publication number: 20230365723
    Abstract: An object of the present disclosure is to provide a method for preparing fine particles having enclosed voids with improved stain resistance and composition comprising the particles by preventing free radicals from interfering with core swelling due to the cross-linking monomer upon polymerization of a secondary hard-shell and by removing the residual initiator by additional polymerization of the phosphoric acid monomer and the hard-shell monomer.
    Type: Application
    Filed: May 9, 2023
    Publication date: November 16, 2023
    Inventors: Nam Woo KIM, Ji Yun KIM, Min Ji CHAE, Si On CHOI, Hyun Ji KIM
  • Publication number: 20230282352
    Abstract: The present invention relates to a technical idea of monitoring a heart condition by analyzing biosignals measured using a sensor device for detecting a heart condition. In a method of monitoring a heart condition according to one embodiment of the present invention, electrocardiogram signals are measured from a user, feature information is extracted by performing machine learning of the time domain of the measured electrocardiogram signals, a plurality of cardiac abnormality type models are determined by performing machine learning of the extracted feature information, classification accuracy for the determined cardiac abnormality type models is calculated, and a cardiovascular disease of the user is determined using the determined cardiac abnormality type models and public cardiovascular disease data based on the calculated accuracy. That is, the present invention relates to a technique for assisting medical diagnosis.
    Type: Application
    Filed: June 11, 2021
    Publication date: September 7, 2023
    Applicant: Korea University Research and Business Foundation
    Inventors: Dong Joo KIM, Young Tak KIM, Hyun Ji KIM
  • Publication number: 20230256693
    Abstract: A method of manufacturing a plastic lens includes first heating of a lens preform, disposing the lens preform in a molding apparatus, second heating of the lens preform, pressing the lens preform with the molding apparatus, and cooling the molding apparatus.
    Type: Application
    Filed: June 17, 2021
    Publication date: August 17, 2023
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dong-soo HAM, Hyun-ji KIM, Joong-Eok KIM, Hyun-Joong LEE
  • Publication number: 20230200730
    Abstract: A telemedicine system according to one embodiment includes a gateway for transmitting monitoring information including a stimulation signal and a biosignal corresponding to the stimulation signal to a cloud; and a server for extracting the stimulation signal and the biosignal from the transmitted monitoring information, providing the extracted stimulation signal and biosignal as inputs of a pre-stored artificial intelligence machine learning algorithm-based stimulation control model, regenerating the biosignal as an output of the stimulation control model into a stimulation signal to be regulated for the balance between sympathetic and parasympathetic nerves, and feeding back the regenerated stimulation signal to a personalized vagus nerve stimulation and pulse electromagnetic field treatment device, wherein the monitoring information includes a biosignal measured when vagus nerves are stimulated in the form of electromagnetism at a stimulation site based on a stimulation signal generated from the personalize
    Type: Application
    Filed: June 11, 2021
    Publication date: June 29, 2023
    Applicant: Korea University Research and Business Foundation
    Inventors: Dong Joo KIM, Young Tak KIM, Hyun Ji KIM
  • Publication number: 20230170566
    Abstract: A battery cell includes a case having an accommodating space, an electrode assembly including an anode, a cathode, and a separator accommodated in the accommodating space, a first sealing portion formed outside the accommodating space in the case, and sealing the case, and a second sealing portion including a region of the case present outside of the first sealing portion, positioned farther away from the accommodating space than the first sealing portion, and sealing the case. The first sealing portion is formed to be inclined between the accommodating space and the second sealing portion.
    Type: Application
    Filed: November 11, 2022
    Publication date: June 1, 2023
    Inventors: Jong Hyeok LEE, Hyun Ji KIM, Yoon Ji JO, Chang Mook HWANG
  • Publication number: 20230170565
    Abstract: A battery cell sealing apparatus includes: a first sealing block and a second sealing block pressurizing a case, provided with an accommodation space in which an electrode assembly is accommodated, to seal the case; a moving unit connected to at least one of the first sealing block and the second sealing block and moving at least one of the first sealing block and the second sealing block; and a heating unit connected to the first sealing block and the second sealing block and supplying heat energy to the first sealing block and the second sealing block. The first sealing block and the second sealing block may include a plurality of block members, and may pressurize the case with the plurality of block members to form a plurality of sealing portions on the case.
    Type: Application
    Filed: November 11, 2022
    Publication date: June 1, 2023
    Inventors: Jong Hyeok LEE, Hyun Ji KIM, Yoon Ji JO, Chang Mook HWANG
  • Patent number: 11654195
    Abstract: The present invention provides an eco-friendly smart photosensitizer comprising a conjugate of hydroxypropyl methylcellulose and porfimer sodium photosensitizer, and a photo-stem cell therapy product comprising the photosensitizer. The photosensitizer of the present invention can be advantageously used in various fields including anticancer therapy, stem cell therapy, and the like, without side effects.
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: May 23, 2023
    Inventors: Jin Wang Kim, Jung Ok Lee, Hyun Ji Kim, Hyun Woo Kim
  • Patent number: 11628195
    Abstract: The present invention relates to a method of preparing a noni fruit extract containing a high iridoid content or a fraction thereof, a method of preparing a noni fruit extract containing a high content of an immune-enhancing active substance or a fraction thereof, and a use of a noni fruit extract or a fraction thereof, and more specifically, the present invention provides a method of preparing a noni fruit extract containing a high iridoid content or a fraction thereof, including preparing a noni fruit extract by using ethanol in a specific concentration range as an extraction solvent, a method of preparing a noni fruit extract containing a high content of an immune-enhancing active substance or a fraction thereof, a pharmaceutical composition for enhancing immunity including the extract or a fraction thereof, a health functional food composition including the same constitution, a method of enhancing immunity using the extract or a fraction thereof, and a use of the extract or a fraction thereof in preparati
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: April 18, 2023
    Assignees: Cosmax NBT, Inc., Cosmax NS, Inc.
    Inventors: Ji Hwan Jang, Jin Hak Kim, Bo Ra Jin, Su Young Choi, Hyun Ji Kim
  • Publication number: 20230088872
    Abstract: The present invention provides an eco-friendly smart photosensitizer comprising a conjugate of hydroxypropyl methylcellulose and porfimer sodium photosensitizer, and a photo-stem cell therapy product comprising the photosensitizer. The photosensitizer of the present invention can be advantageously used in various fields including anticancer therapy, stem cell therapy, and the like, without side effects.
    Type: Application
    Filed: November 26, 2020
    Publication date: March 23, 2023
    Inventors: Jin Wang KIM, Jung Ok LEE, Hyun Ji KIM, Hyun Woo KIM
  • Publication number: 20230054459
    Abstract: Disclosed is a neurofeedback device, including a body attached to a user's body and configured to provide electrical stimulation to a vagus nerve region, wherein the body includes: a frame provided in a symmetrical and elliptical shape, wherein one side and another side in a longitudinal direction are concavely recessed toward a center, and attached to a user's neck; a vagus nerve stimulator located on a back surface of the frame, provided to include a plurality of electrodes for providing electrical stimulation to the vagus nerve region, and attached to skin directly above the vagus nerve region located next to carotid artery of the user; a heart rate sensor located at a center of left and right symmetry of the frame on a back surface of the frame and configured to detect heart rates of the user; a manipulator located in front of the frame and configured to receive a user's command; and a plurality of connection ports formed on a side surface of the frame to transmit and receive signals, wherein the plural e
    Type: Application
    Filed: October 14, 2022
    Publication date: February 23, 2023
    Applicant: NeuroTx Co., Ltd
    Inventors: Dong-Joo KIM, Young-Tak Kim, Hyun-Ji Kim