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).
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Patent number: 12183950Abstract: 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: GrantFiled: June 8, 2020Date of Patent: December 31, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: So-Mi Jeong, Dong-Wook Sung
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Patent number: 12179013Abstract: 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: GrantFiled: August 27, 2020Date of Patent: December 31, 2024Assignee: DEEPQURE INC.Inventors: Chang Wook Jeong, Sung Min Park, Jin Hwan Baik, Dong Hyun Yim, Du Jin Bach
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Publication number: 20240337900Abstract: 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: ApplicationFiled: September 26, 2023Publication date: October 10, 2024Inventors: Sang Min AN, Dae Hyun JEONG, Dong Rack LEE, Sung Wook SO, Hyun Jung PARK
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Patent number: 12095069Abstract: 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: GrantFiled: November 7, 2022Date of Patent: September 17, 2024Assignees: Hyundai Motor Company, Kia Corporation, Kookmin University Industry Academy Cooperation FoundationInventors: Yong Hwi Lee, Young Woo Noh, Chung Wook Roh, Hee Seong Jeong, Dong Woo Kwon, Gun Woo Park, Kang Hyun Woo
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Publication number: 20240286559Abstract: 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: ApplicationFiled: November 13, 2023Publication date: August 29, 2024Inventors: 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
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Publication number: 20240262799Abstract: 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: ApplicationFiled: January 23, 2024Publication date: August 8, 2024Applicant: 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
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Publication number: 20240263304Abstract: 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: ApplicationFiled: April 17, 2024Publication date: August 8, 2024Inventors: Seung Wook Kim, Ju Ill Lee, Won Ki Jeong, Dong Rak Jung, Hong Hyun Kim
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Patent number: 11267917Abstract: 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: GrantFiled: March 22, 2016Date of Patent: March 8, 2022Assignee: Hanwha Chemical CorporationInventors: Ui Gab Joung, Dong Wook Jeong, Ah Reum Kim, Seung Il Choi
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Patent number: 11248067Abstract: 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: GrantFiled: March 22, 2017Date of Patent: February 15, 2022Assignee: HANWHA CHEMICAL CORPORATIONInventors: Dong Wook Jeong, Dong Ok Kim, Ui Gab Joung
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Patent number: 10975173Abstract: 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: GrantFiled: April 7, 2017Date of Patent: April 13, 2021Assignee: HANWHA CHEMICAL CORPORATIONInventors: In Jun Lee, Won Jun Kang, Dong Ok Kim, Song Hee Yang, Sung Woo Lee, Dong Wook Jeong, Ui Gab Joung
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Patent number: 10954321Abstract: 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: GrantFiled: February 10, 2017Date of Patent: March 23, 2021Assignee: HANWHA CHEMICAL CORPORATIONInventors: In Jun Lee, Won Jun Kang, Dong Ok Kim, Song Hee Yang, Sung Woo Lee, Dong Wook Jeong, Ui Gab Joung
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Patent number: 10934370Abstract: 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: GrantFiled: March 29, 2016Date of Patent: March 2, 2021Assignee: HANWHA CHEMICAL CORPORATIONInventors: 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
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Patent number: 10934375Abstract: 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: GrantFiled: February 10, 2017Date of Patent: March 2, 2021Assignee: HANWHA CHEMICAL CORPORATIONInventors: Ui Gab Joung, Dong Wook Jeong, Won Jun Kang, Dong Ok Kim, Song Hee Yang, In Jun Lee
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Publication number: 20210002463Abstract: 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: ApplicationFiled: October 11, 2018Publication date: January 7, 2021Applicant: HANWHA SOLUTIONS CORPORATIONInventors: Ui Gab JEON, Hye Ran PARK, Seong Jae LIM, Yu Jeong LIM, Tae Uk JEON, II Hwae KU, Dong Ok KIM, Dong Wook JEONG
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Patent number: 10618924Abstract: 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: GrantFiled: February 18, 2016Date of Patent: April 14, 2020Assignee: HANWHA CHEMICAL CORPORATIONInventors: Lan Hua Piao, Sung Hae Jun, Hyun Seung Lee, Dong Wook Jeong
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Publication number: 20190263942Abstract: 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: ApplicationFiled: March 22, 2017Publication date: August 29, 2019Applicant: HANWHA CHEMICAL CORPORATIONInventors: Dong Wook JEONG, Dong Ok KIM, Ui Gab JOUNG
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Publication number: 20190169325Abstract: 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: ApplicationFiled: February 10, 2017Publication date: June 6, 2019Applicant: HANWHA CHEMICAL CORPORATIONInventors: In Jun LEE, Won Jun KANG, Dong Ok KIM, Song Hee YANG, Sung Woo LEE, Dong Wook JEONG, Ui Gab JOUNG
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Publication number: 20190169323Abstract: 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: ApplicationFiled: April 7, 2017Publication date: June 6, 2019Applicant: HANWHA CHEMICAL CORPORATIONInventors: In Jun LEE, Won Jun KANG, Dong Ok KIM, Song Hee YANG, Sung Woo LEE, Dong Wook JEONG, Ui Gab JOUNG
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Publication number: 20190135961Abstract: 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: ApplicationFiled: March 22, 2016Publication date: May 9, 2019Inventors: Ui Gab Joung, Dong Wook Jeong, Ah Reum Kim, Seung Il Choi
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Publication number: 20190127503Abstract: 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: ApplicationFiled: February 10, 2017Publication date: May 2, 2019Applicant: HANWHA CHEMICAL CORPORATIONInventors: Ui Gab JOUNG, Dong Wook JEONG, Won Jun KANG, Dong Ok KIM, Song Hee YANG, In Jun LEE