Patents by Inventor Dong Wook Jeong

Dong Wook Jeong 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: 12183950
    Abstract: A separator including a porous polymer substrate, and a porous coating layer, and an electrochemical device comprising the same. The porous coating layer includes P(VDF-TrFE-CTFE) and PVDF-CTFE as a binder polymer. The separator has a lower resistance by changing the characteristics of the binder polymer.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: December 31, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: So-Mi Jeong, Dong-Wook Sung
  • Patent number: 12179013
    Abstract: An electrode device for wrapping a vessel in the body according to an embodiment of the present invention comprise an electrode part that surrounds the vessel and denervates or modulates at least some nerves of the vessel; and a guide part that guides movement of the electrode part, wherein the electrode part includes: a first layer that is bent in order for the electrode part to be wound around the vessel; a second layer that is placed on the first layer and is bent in order for the electrode part to be wound in close contact with the vessel; an electrode that is placed on the second layer and denervates or modulates at least some nerves of the vessel with energy from an energy source generator.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: December 31, 2024
    Assignee: DEEPQURE INC.
    Inventors: Chang Wook Jeong, Sung Min Park, Jin Hwan Baik, Dong Hyun Yim, Du Jin Bach
  • Publication number: 20240337900
    Abstract: Disclosed herein is an image shake correcting module. The image shake correcting module includes an optical module, a first holder, a first drive unit, a second holder, a second drive unit, a third holder, a housing, an outer cover, and a substrate. The optical module may be mounted in an inner space of the first holder. The first drive unit may include a first drive ball, a first magnet and a first coil for primary driving of the first holder. The first holder may be mounted in an inner space of the second holder. The second drive unit may include a second drive ball, a second magnet, and a second coil for secondary driving of the second holder. The second holder may be mounted in an inner space of the third holder. The third holder may be mounted in an inner space of the housing.
    Type: Application
    Filed: September 26, 2023
    Publication date: October 10, 2024
    Inventors: Sang Min AN, Dae Hyun JEONG, Dong Rack LEE, Sung Wook SO, Hyun Jung PARK
  • Patent number: 12095069
    Abstract: In an embodiment a power apparatus includes a fuel cell configured to supply power to an inverter of a vehicle, a supercapacitor configured to assist the fuel cell, a bidirectional converter configured to charge and discharge the fuel cell and the supercapacitor and a controller configured to drive the vehicle by controlling the supercapacitor to be charged and discharged depending on a current required by the inverter for driving the vehicle and to assist the fuel cell.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: September 17, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Kookmin University Industry Academy Cooperation Foundation
    Inventors: Yong Hwi Lee, Young Woo Noh, Chung Wook Roh, Hee Seong Jeong, Dong Woo Kwon, Gun Woo Park, Kang Hyun Woo
  • Publication number: 20240286559
    Abstract: An embodiment mounting and demounting device for a wireless electronic device includes a pair of holder wings arranged symmetrically to each other and configured to press both sides of the wireless electronic device, a holder wing adjusting device configured to apply a force to adjust a gap between the holder wings using a driving force of a drive motor, a lifting implementing device configured to interlock with the holder wing adjusting device to lift the wireless electronic device upward in a case in which the holder wings are spread apart by a predetermined reference gap or more, a lower housing wrapped around a lower side of the holder wings, the holder wing adjusting device, and the lifting implementing device, and an upper housing coupled to an upper side of the lower housing and configured to allow the wireless electronic device to pass through in an up and down direction.
    Type: Application
    Filed: November 13, 2023
    Publication date: August 29, 2024
    Inventors: Guk Mu Park, Dong Woo Jeong, Dong Ho Kang, Jung Sang You, Hyung Joo Kim, Hyeong Jong Kim, Seung Min Jeong, Seung Young Lee, Byung Jin Son, Han Su Yoo, Hyo Seop Cha, Young Gyu Song, Yun Chang Kim, Jae Sik Choi, Dae Hee Lee, Byung Yong Choi, Seon Chae Na, Sang Do Park, Eun Sue Kim, Yong Seong Jang, Eom Seok Yoo, Seung Young Lee, Jin Wook Choi
  • Publication number: 20240262799
    Abstract: Disclosed are methods for treating or ameliorating metabolic diseases, cholestatic liver diseases, disorder of bile acid homeostasis, or organ fibrosis, which includes administering to a subject a therapeutically effective amount of a pharmaceutical composition containing an isoxazole derivative, a racemate, an enantiomer, or a diastereoisomer thereof, or a pharmaceutically acceptable salt of the derivative, the racemate, the enantiomer, or the diastereoisomer.
    Type: Application
    Filed: January 23, 2024
    Publication date: August 8, 2024
    Applicant: IL DONG PHARMACEUTICAL CO., LTD.
    Inventors: Jae-Hoon KANG, Hong-Sub LEE, Yoon-Suk LEE, Jin-Ah JEONG, Sung-Wook KWON, Jeong-Guen KIM, Kyung-Sun KIM, Dong-Keun SONG, Sun-Young PARK, Kyeo-Jin KIM, Ji-Hye CHOI, Hey-Min HWANG
  • Publication number: 20240263304
    Abstract: Provided is a cooling device capable of controlling the temperature of an upper portion of a reactor, or more particularly, a gas supply device, for example, a shower head. The cooling device includes a separator configured to uniformly and efficiently cool the gas supply device.
    Type: Application
    Filed: April 17, 2024
    Publication date: August 8, 2024
    Inventors: Seung Wook Kim, Ju Ill Lee, Won Ki Jeong, Dong Rak Jung, Hong Hyun Kim
  • Patent number: 11267917
    Abstract: Provided is a hybrid catalyst composition including a first transition metal compound represented by Formula 1 and a second transition metal compound represented by Formula 2, the compounds being different from each other in the Formulae. The hybrid catalyst composition including the first and second transition metal compounds may exhibit high catalytic activity and may prepare a polyolefin having processability and mechanical properties.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: March 8, 2022
    Assignee: Hanwha Chemical Corporation
    Inventors: Ui Gab Joung, Dong Wook Jeong, Ah Reum Kim, Seung Il Choi
  • Patent number: 11248067
    Abstract: The present invention relates to a hybrid supported metallocene catalyst including at least first metallocene compound, at least one second metallocene compound, at least one cocatalyst compound, and a carrier, a preparation method therefor, and a polyolefin resin polymerized in the presence of the catalyst, wherein the second metallocene compound is a compound of a bridged structure having a ligand of an asymmetric structure, and the polyolefin resin has a density of 0.910 g/cm3 to 0.960 g/cm3, a molecular weight density in a unimodal distribution of 3 to 5, a melt index of 0.05 to 100 at 2.16 kg, and a melt flow rate of 20 to 40.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: February 15, 2022
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Dong Wook Jeong, Dong Ok Kim, Ui Gab Joung
  • Patent number: 10975173
    Abstract: The present invention relates to a high-density ethylene-based polymer comprising an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin, and a straight, branched and cyclic diene. According to the present invention, the high-density polyethylene resin has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: April 13, 2021
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: In Jun Lee, Won Jun Kang, Dong Ok Kim, Song Hee Yang, Sung Woo Lee, Dong Wook Jeong, Ui Gab Joung
  • Patent number: 10954321
    Abstract: A high-density ethylene-based polymer is provided. The high-density ethylene-based polymer contains an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin, and a straight, branched and cyclic diene. The high-density polyethylene resin has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: March 23, 2021
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: In Jun Lee, Won Jun Kang, Dong Ok Kim, Song Hee Yang, Sung Woo Lee, Dong Wook Jeong, Ui Gab Joung
  • Patent number: 10934370
    Abstract: The invention relates to: a hybrid supported metallocene catalyst includes at least one first metallocene compound among the compounds represented by chemical formula 1, at least one second metallocene compound among the compounds represented by chemical formula 2 and a cocatalyst compound; a method for preparing an ethylene-?-olefin copolymer, comprising polymerizing olefin monomers in the presence thereof; and an ethylene-?-olefin copolymer having improved melt strength.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: March 2, 2021
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Ah Ra Cho, Ah Reum Kim, Lan Hua Piao, Jun Ho Seo, Song Hee Yang, So Jung Lee, Yu Jeong Lim, Dong Wook Jeong, Seung Il Choi
  • Patent number: 10934375
    Abstract: The present invention relates to a high-density ethylene-based polymer comprising: an ethylene homopolymer; or a copolymer of ethylene and at least one comonomer selected from the group consisting of ?-olefins, cyclic olefins and linear, branched and cyclic dienes. According to the present invention, the high-density ethylene-based polymer has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: March 2, 2021
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Ui Gab Joung, Dong Wook Jeong, Won Jun Kang, Dong Ok Kim, Song Hee Yang, In Jun Lee
  • Publication number: 20210002463
    Abstract: Provided are an ethylene-based polymer having excellent long-term pressure resistance characteristics and a pipe using the ethylene-based polymer. The ethylene-based polymer satisfies the balance of mechanical characteristics and excellent molding processability, as compared with a conventional ethylene-based polymer. Also provided are an ethylene-based polymer having a wide molecular weight distribution and a small lamellar thickness, thereby increasing tie molecules and obtaining excellent long-term pressure resistance characteristics, and a pipe using the same.
    Type: Application
    Filed: October 11, 2018
    Publication date: January 7, 2021
    Applicant: HANWHA SOLUTIONS CORPORATION
    Inventors: Ui Gab JEON, Hye Ran PARK, Seong Jae LIM, Yu Jeong LIM, Tae Uk JEON, II Hwae KU, Dong Ok KIM, Dong Wook JEONG
  • Patent number: 10618924
    Abstract: A preparation method for a metallocene compound is provided. The method includes: stirring at least one compound I among compounds expressed by the following chemical formula (I) and a hydrogenation reaction catalyst of 0.10 to 0.55 parts by weight based on 100 parts by weight of the compound I under a hydrogen atmosphere; and obtaining a metallocene compound containing at least one first compound among the compounds expressed by the following chemical formula (1). Chemical formula (I) and (1) are provided in the specification.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: April 14, 2020
    Assignee: HANWHA CHEMICAL CORPORATION
    Inventors: Lan Hua Piao, Sung Hae Jun, Hyun Seung Lee, Dong Wook Jeong
  • Publication number: 20190263942
    Abstract: The present invention relates to a hybrid supported metallocene catalyst including at least first metallocene compound, at least one second metallocene compound, at least one cocatalyst compound, and a carrier, a preparation method therefor, and a polyolefin resin polymerized in the presence of the catalyst, wherein the second metallocene compound is a compound of a bridged structure having a ligand of an asymmetric structure, and the polyolefin resin has a density of 0.910 g/cm3 to 0.960 g/cm3, a molecular weight density in a unimodal distribution of 3 to 5, a melt index of 0.05 to 100 at 2.16 kg, and a melt flow rate of 20 to 40.
    Type: Application
    Filed: March 22, 2017
    Publication date: August 29, 2019
    Applicant: HANWHA CHEMICAL CORPORATION
    Inventors: Dong Wook JEONG, Dong Ok KIM, Ui Gab JOUNG
  • Publication number: 20190169325
    Abstract: A high-density ethylene-based polymer is provided. The high-density ethylene-based polymer contains an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin, and a straight, branched and cyclic diene. The high-density polyethylene resin has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.
    Type: Application
    Filed: February 10, 2017
    Publication date: June 6, 2019
    Applicant: HANWHA CHEMICAL CORPORATION
    Inventors: In Jun LEE, Won Jun KANG, Dong Ok KIM, Song Hee YANG, Sung Woo LEE, Dong Wook JEONG, Ui Gab JOUNG
  • Publication number: 20190169323
    Abstract: The present invention relates to a high-density ethylene-based polymer comprising an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an ?-olefin, a cyclic olefin, and a straight, branched and cyclic diene. According to the present invention, the high-density polyethylene resin has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.
    Type: Application
    Filed: April 7, 2017
    Publication date: June 6, 2019
    Applicant: HANWHA CHEMICAL CORPORATION
    Inventors: In Jun LEE, Won Jun KANG, Dong Ok KIM, Song Hee YANG, Sung Woo LEE, Dong Wook JEONG, Ui Gab JOUNG
  • Publication number: 20190135961
    Abstract: Provided is a hybrid catalyst composition including a first transition metal compound represented by Formula 1 and a second transition metal compound represented by Formula 2, the compounds being different from each other in the Formulae. The hybrid catalyst composition including the first and second transition metal compounds may exhibit high catalytic activity and may prepare a polyolefin having processability and mechanical properties.
    Type: Application
    Filed: March 22, 2016
    Publication date: May 9, 2019
    Inventors: Ui Gab Joung, Dong Wook Jeong, Ah Reum Kim, Seung Il Choi
  • Publication number: 20190127503
    Abstract: The present invention relates to a high-density ethylene-based polymer comprising: an ethylene homopolymer; or a copolymer of ethylene and at least one comonomer selected from the group consisting of ?-olefins, cyclic olefins and linear, branched and cyclic dienes. According to the present invention, the high-density ethylene-based polymer has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.
    Type: Application
    Filed: February 10, 2017
    Publication date: May 2, 2019
    Applicant: HANWHA CHEMICAL CORPORATION
    Inventors: Ui Gab JOUNG, Dong Wook JEONG, Won Jun KANG, Dong Ok KIM, Song Hee YANG, In Jun LEE