Patents by Inventor Hoon Ryu

Hoon Ryu 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: 11230525
    Abstract: A novel organic sulfur compound, a method for preparing the same, and a pharmaceutical composition for preventing or treating cancer or inflammatory diseases, containing the same as an active ingredient are provided. The novel organic sulfur compound is capable of excellently inhibiting histone deacetylated (HDAC) enzymes in a concentration of nanomolar or micromolar units and has been found to have an excellent effect against inflammatory diseases, and has been found to be capable of inhibiting the proliferation of cancer.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: January 25, 2022
    Assignee: Sookmyung Womens University Industry-Academic Cooperation Foundation
    Inventors: Raok Jeon, Jae-Ha Ryu, Hyewon Cho, Yoon-Jung Kim, Sang-Hyun Min, Ji-Hoon Yu
  • Patent number: 11228060
    Abstract: A data input scheduling apparatus that controls a vehicle battery and a relay for changing an electric connection between output terminals of the battery, and includes a detection unit for outputting an impact detection signal when an impact is applied to the vehicle and a control unit for outputting a relay-off signal to change the relay into an off state in response to the reception of the impact detection signal, the control unit outputting the relay-off signal according to a preset control cycle.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: January 18, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Ho-Jin Ryu, Jung-Hoon Lee, Hyun-Ki Cho
  • Patent number: 11223046
    Abstract: Disclosed is a binder composition for secondary batteries including composite latex comprising conjugated diene latex particles (A) and copolymer latex particles (B), each present in an independent phase, wherein the composite latex has a pH of 7 or less.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: January 11, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Min Ah Kang, Dong Jo Ryu, Cheol Hoon Choi, Seon Hee Han, Hye Soo Han
  • Publication number: 20220003188
    Abstract: Proposed is a hybrid rocket engine using an electric motor-driven oxidizer pump, the hybrid rocket engine including: an oxidizer tank configured to store the oxidizer; an oxidizer pump configured to pressurize the oxidizer by being connected to the oxidizer tank through a first oxidizer supply line; a drive unit including an electric motor configured to drive the oxidizer pump and a battery configured to supply power to the electric motor; an auxiliary oxidizer line configured to guide the oxidizer from the oxidizer tank to the electric motor to cool the electric motor; an oxidizer recirculation line configured to recharge oxidizer vapor, generated through heat exchange between the electric motor and the oxidizer, to the oxidizer tank, thereby pressurizing an inner side of the oxidizer tank; and a combustion chamber configured to combust the oxidizer and fuel by being connected to the oxidizer pump through a second oxidizer supply line.
    Type: Application
    Filed: November 19, 2019
    Publication date: January 6, 2022
    Inventors: Soo Jong KIM, Sung Bong CHO, Keun Hwan MOON, Sung Hoon RYU
  • Publication number: 20210408579
    Abstract: The present disclosure relates to a solid electrolyte membrane for suppressing the growth of lithium dendrites and an all-solid-state battery comprising the same, and the solid electrolyte membrane comprises a solid electrolyte material and metal particles, wherein the metal particles form an alloy with lithium.
    Type: Application
    Filed: April 20, 2020
    Publication date: December 30, 2021
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jung-Pil LEE, Eun-Bee KIM, Ji-Hoon RYU, Suk-Woo LEE
  • Publication number: 20210367263
    Abstract: A solid electrolyte membrane for a solid-state battery and a battery comprising the same is provided. The battery may comprise lithium metal as a negative electrode active material. The solid electrolyte membrane comprises an inhibiting layer, which is preferably capable of inhibiting growth of lithium dendrite, because it includes an effective amount of a dendrite growth-inhibiting material, which is capable of ionizing lithium deposited in the form of metal. Thus, when lithium metal is used as a negative electrode for a solid-state battery comprising the solid electrolyte membrane, it is possible to delay and/or inhibit growth of lithium dendrite, and thus to effectively prevent an electrical short-circuit caused by dendrite growth.
    Type: Application
    Filed: June 14, 2019
    Publication date: November 25, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jung-Pil LEE, Sung-Joong KANG, Eun-Bee KIM, Ji-Hoon RYU, Suk-Woo LEE, Jae-Hyun LEE
  • Publication number: 20210344044
    Abstract: The present disclosure relates to a method for manufacturing a solid-state battery, wherein slurry for a solid electrolyte layer is applied to each of the electrodes, and the electrodes are bound to each other before drying to obtain a solid-state battery. In the solid-state battery, each electrode is in close contact with the solid electrolyte membrane to provide excellent interfacial property, such as reduced resistance. In addition, the thickness of the solid electrolyte membrane may be controlled to a level of several microns to provide an effect of increasing the energy density of a unit cell.
    Type: Application
    Filed: October 15, 2019
    Publication date: November 4, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Suk-Woo Lee, Eun-Bee Kim, Ji-Hoon Ryu, Jung-Pil Lee
  • Publication number: 20210336294
    Abstract: The present disclosure relates to an electrolyte membrane for an all-solid-state battery, an all-solid-state battery comprising the electrolyte membrane and a method for manufacturing the solid electrolyte membrane. The solid electrolyte membrane may be obtained by stacking a first protective layer, a first film-type solid electrolyte material, a porous substrate, a second film-type solid electrolyte material and a second protective layer successively to prepare a laminate structure; and carrying out pressurization of the laminate structure so that the first and the second solid electrolyte materials may be pressed into the porous substrate and the pores of the porous substrate may be filled with the solid electrolyte materials.
    Type: Application
    Filed: December 19, 2019
    Publication date: October 28, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Eun-Bee KIM, Jung-Pil LEE, Ji-Hoon RYU, Suk-Woo LEE
  • Publication number: 20210333476
    Abstract: A method of manufacturing an optical multiplexer, whereby one molded product is formed by using a mold and vertically cut in a row direction, thus efficiently manufacturing multiple optical multiplexers, with a microlens array and an optical block being integrated together. Therefore, the present invention may increase product productivity and realize a size reduction of a product.
    Type: Application
    Filed: July 19, 2019
    Publication date: October 28, 2021
    Inventors: Sang Do KANG, Seung Keun OH, Hyun Jong KANG, Chang Hoon RYU
  • Publication number: 20210320332
    Abstract: Provided is a solid electrolyte membrane including a support member, such as a porous sheet, embedded in an electrolyte membrane, wherein the support member is coated with an inhibiting material for inhibiting growth of lithium dendrite. Thus, the solid electrolyte membrane has excellent physical strength, such as puncture strength, and improved durability. In addition, the solid electrolyte membrane has an effect of inhibiting lithium dendrite growth. Thus, when the solid electrolyte membrane is applied to a lithium metal battery including lithium metal as a negative electrode material, there is provided an effect of improving the life characteristics of the battery.
    Type: Application
    Filed: March 18, 2020
    Publication date: October 14, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Jung-Pil LEE, Eun-Bee KIM, Ji-Hoon RYU, Suk-Woo LEE
  • Publication number: 20210309670
    Abstract: The present invention relates to a diisocynate compound having anhydrosugar alcohol core and a preparation method therefor and, more specifically, to a diisocynate compound having anhydrosugar alcohol core and a preparation method therefor, wherein the diisocynate compound is prepared through a reaction with a nitrile compound, a hydrogenation reaction, and an end-group substitution reaction while a recyclable, plant-based anhydrosugar alcohol or anhydrosugar alcohol-alkylene glycol is used as a raw material, and the diisocynate compound can be utilized in various fields, such as soft or hard polyurethane expanded foams, molded foams, coating, adhesives or glues, fibers, and polymer synthesis.
    Type: Application
    Filed: August 8, 2019
    Publication date: October 7, 2021
    Applicant: SAMYANG CORPORATION
    Inventors: Seung Hyun YOO, Hoon RYU, Jun Seop IM, Gwang Seok SONG, Won Hyun JEON
  • Publication number: 20210313558
    Abstract: The present disclosure relates to a method for manufacturing a negative electrode for an all solid state secondary battery, including the steps of: (S1) preparing a preliminary negative electrode including: a current collector; and a negative electrode active material layer formed on at least one surface of the current collector, and containing a plurality of negative electrode active material particles and a solid electrolyte; (S2) disposing a lithium layer on the negative electrode active material layer; (S3) dipping the preliminary negative electrode having the lithium layer disposed thereon in an organic solvent; and (S4) removing the lithium layer. The present disclosure also relates to a negative electrode for an all solid state secondary battery obtained by the method. The negative electrode for an all solid state secondary battery provides improved initial efficiency and cycle characteristics.
    Type: Application
    Filed: September 25, 2019
    Publication date: October 7, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Eun-Bee Kim, Ji-Hoon Ryu, Jung-Pil Lee, Vin-Na Jo
  • Publication number: 20210288354
    Abstract: The present disclosure relates to a solid electrolyte membrane for an all-solid-state battery and a battery including the same. The battery may include lithium metal as a negative electrode active material. The solid-electrolyte membrane provides an effect of inhibiting growth of lithium dendrite by ionizing lithium deposited as metal. Therefore, when using lithium metal as a negative electrode in the all-solid-state battery including the solid electrolyte membrane, there is provided an effect of delaying and/or inhibiting growth of lithium dendrite. Thus, it is possible to effectively prevent an electrical short-circuit caused by growth of lithium dendrite.
    Type: Application
    Filed: January 10, 2020
    Publication date: September 16, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Pil Lee, Eun-Bee Kim, Hyo-Sik Kim, Ji-Hoon Ryu, Seung-He Woo, Suk-Woo Lee
  • Publication number: 20210280908
    Abstract: A composite electrolyte membrane according to the present disclosure includes a phase change layer on a surface in contact with an electrode, for example, a positive electrode. The phase change layer includes a filler, and a physically isolated area between the positive electrode and the composite electrolyte membrane, known as a dead space, is filled with the filler that is liquefied by heat resulting from the increased internal temperature of the battery, thereby reducing the interfacial resistance between the electrolyte membrane and the electrode.
    Type: Application
    Filed: October 10, 2019
    Publication date: September 9, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Ji-Hoon RYU, Eun-Bee KIM, Suk-Woo LEE, Jung-Pil LEE
  • Publication number: 20210249688
    Abstract: The present disclosure relates to an electrode for an all solid-state battery and a manufacturing method thereof, and a mixture of a polymer-based solid electrolyte and a conductive material is filled between electrode active material particles that constitute an electrode active material layer, to increase the contact between the electrode active material particles and the conductive material through a solvent annealing process included in a manufacturing process, thereby improving ionic conductivity in the electrode and capacity in the electrode.
    Type: Application
    Filed: September 27, 2019
    Publication date: August 12, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Jung-Pil Lee, Eun-Bee Kim, Ji-Hoon Ryu, Sung-Joong Kang
  • Publication number: 20210238413
    Abstract: The present invention relates to a solid dispersion, a preparation method therefor, a chain-extended polyurethane using same, and an epoxy resin composition comprising same and, more particularly, to a solid dispersion in which an inorganic or organic material-derived isotropic or anisotropic substance is used as a dispersoid and dispersed at room temperature in a solid-phase dispersion medium such as polyols and sugars, whereby the dispersion can be easily stored and used, reduce transportation cost, prevent or alleviate the aggregation or precipitation caused during the storage of products, with the results of working efficiency improvement and processing cost reduction, and, when applied to polyurethane, can increase strength and provide an improved strength, compared to conventional curing agent, a preparation method therefor, a chain-extended polyurethane using same, and an epoxy resin composition comprising same.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 5, 2021
    Applicant: SAMYANG CORPORATION
    Inventors: Gwang Seok SONG, Hoon RYU, Jun Seop IM, Seung Hyun YOO, Won Hyun JEON
  • Publication number: 20210242446
    Abstract: The present disclosure relates to an electrode assembly for an all-solid-state battery with improved safety, and more particularly, to an electrode assembly of a new structure designed to prevent the damage of a solid electrolyte layer caused by a step formed in a negative electrode layer due to changes in thickness of the negative electrode layer, such as an increase or decrease in thickness at part of the negative electrode layer, during charging/discharging. The electrode assembly is characterized by comprising a protective layer having an opening, interposed between the negative electrode and the solid electrolyte layer.
    Type: Application
    Filed: August 20, 2019
    Publication date: August 5, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Guilong JIN, Sung-Joong KANG, Eun-Bee KIM, Ji-Hoon RYU, Suk-Woo LEE, Jung-Pil LEE
  • Publication number: 20210222683
    Abstract: A variable capacity swash plate type compressor includes: a cylinder block forming a plurality of cylinder bores; a first housing connected to the cylinder block and forming a crank chamber; a second housing; a drive shaft; a rotor mounted on the drive shaft to rotate with the drive shaft; a swash plate connected to the rotor by a hinge mechanism to rotate together with the rotor; and a plurality of pistons that are respectively disposed in the plurality of the cylinder bores and are connected the swash plate to undergo a linear reciprocating motion by a rotational motion of the swash plate. The hinge mechanism includes: a guide groove provided in the rotor; a connecting arm connected to the swash plate and having a cylindrical receiving space; and a cylindrical guide roller that is disposed in the receiving space in a state of being arranged in the guide groove.
    Type: Application
    Filed: September 14, 2018
    Publication date: July 22, 2021
    Applicant: ESTRA AUTOMOTIVE SYSTEMS CO., LTD.
    Inventors: Jae Bin SEOK, Young Ho BAE, Sung Hoon RYU, Jae Hoon SEO
  • Publication number: 20210226210
    Abstract: The present invention provided a positive electrode active material for a lithium secondary battery including lithium cobalt oxide particles. The lithium cobalt oxide particles include lithium deficient lithium cobalt oxide having Li/Co molar ratio of less than 1, belongs to an Fd-3m space group, and having a cubic crystal structure, in surface of the particle and in a region corresponding to a distance from 0% to less than 100% from the surface of the particle relative to a distance (r) from the surface to the center of the particle. In the positive electrode active material for a lithium secondary battery according to the present invention, the intercalation and deintercalation of lithium at the surface of a particle may be easy, and the output property and rate characteristic may be improved when applied to a battery. Accordingly, good life property and the minimization of gas generation amount may be attained even with large sized positive electrode active material.
    Type: Application
    Filed: April 6, 2021
    Publication date: July 22, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Chi Ho Jo, Ji Hoon Ryu, Min Suk Kang, Sun Sik Shin, Wang Mo Jung
  • Patent number: 11054323
    Abstract: A quantitative impact control and measurement system includes an impactor configured to apply an impact to a target, a control device configured to control movement of the impactor, an acceleration sensor mounted to a base of the impactor, and an impact sensor mounted to a terminal of the impactor. Here, the control device calculates an impact actually applied to the target from signals measured through the acceleration sensor and the impact sensor.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: July 6, 2021
    Assignee: Korea Institute of Science and Technology
    Inventors: Sungwook Yang, Eui-Sung Yoon, Hoon Ryu, Hyeonjoo Im