Patents by Inventor Jeong-Gu Yeo
Jeong-Gu Yeo 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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Publication number: 20210060480Abstract: The present invention relates to a low-temperature membrane separation device and method for capturing carbon dioxide at a high concentration, in which a gas mixture is passed through a membrane unit to thus separate carbon dioxide. The membrane unit includes a membrane for capturing carbon dioxide and is connected to a feed gas line, a retentate gas line and a permeate gas line. The method includes a first separation step of passing the gas mixture through a first membrane unit and a second separation step of passing the permeation gas, which is discharged to the permeate gas line connected to the first membrane unit, through a second membrane unit. The second separation step is performed at a temperature that is lower than a temperature at which the first separation step is performed.Type: ApplicationFiled: September 3, 2019Publication date: March 4, 2021Inventors: Jung Hyun Lee, Jeong-gu Yeo, Jong-ho Moon, Woong Jin Oh, Dahun Lee
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Publication number: 20210027931Abstract: A coil component includes a body having one surface, and one end surface and the other end surface, respectively connected to the one surface and opposing each other, a support substrate embedded in the body, and a coil portion disposed on the support substrate and including first and second lead-out patterns respectively exposed from surfaces of the body. The first lead-out pattern is exposed from the one surface of the body and the one end surface of the body. The second lead-out pattern is exposed from the one surface of the body and the other end surface of the body. The body includes an anchor portion disposed in each of the first and second lead-out patterns.Type: ApplicationFiled: August 2, 2019Publication date: January 28, 2021Inventors: Ju Hwan YANG, Jae Hun KIM, Joung Gul RYU, Byung Soo KANG, Byeong Cheol MOON, Jeong Gu YEO
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Publication number: 20210005379Abstract: A coil component includes a body having a molded portion and a cover portion disposed on one surface of the molded portion, and including magnetic metal powder; a winding coil disposed between one surface of the molded portion and the cover portion and embedded in the body, and including a coating layer surrounding a surface of each of a plurality of turns; and a first protective film disposed between the one surface of the molded portion and the cover portion and between at least a portion of the surface of the winding coil and the cover portion.Type: ApplicationFiled: November 4, 2019Publication date: January 7, 2021Inventors: Jeong Gu YEO, Young Il LEE, Byeong Cheol MOON
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Publication number: 20200335253Abstract: A coil component includes a body having one surface and the other surface opposing each other, and one side surface and the other side surface, respectively connecting the one surface and the other surface to each other and opposing each other in one direction, a wound coil embedded in the body, a lead portion extending from an end of the wound coil to one surface of the body and disposed on the one surface of the body, an insulating layer covering one surface of the body and having an opening exposing a portion of the lead portion and extending in the one direction, and an external electrode disposed in the opening and connected to the lead portion. The insulating layer includes finishing portions respectively disposed on opposing sides of the opening in the one direction.Type: ApplicationFiled: August 26, 2019Publication date: October 22, 2020Inventors: Jeong Gu YEO, Young Il LEE, Yong Hui LI
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Publication number: 20200203062Abstract: A coil electronic component includes a body including a coil portion disposed therein, and including a plurality of magnetic particles, and external electrodes connected to the coil portion. The body includes an internal region and a protective layer disposed on a surface of the internal region. A first particle of the plurality of magnetic particles included in the protective layer includes an oxide film disposed on a surface of the first particle, and a second particle, having a size greater than a size of the first particle, of the plurality of magnetic particles includes a coating layer disposed on a surface of the second particle and having a composition different from a composition of the oxide film.Type: ApplicationFiled: October 4, 2019Publication date: June 25, 2020Inventors: Young Il LEE, Jeong Gu YEO, Ji Hoon HWANG, Myoung Ki SHIN, Byeong Cheol MOON
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Publication number: 20200066436Abstract: A coil electronic component includes a body, in which a coil portion is embedded, including a plurality of magnetic particles, and an external electrode connected to the coil portion. Among the plurality of magnetic particles, at least a portion of magnetic particles include a first layer, disposed on a surface of a magnetic particle among the magnetic particles, and a second layer disposed on a surface of the first layer. The first layer is an inorganic coating layer containing a phosphorus (P) component, and the second layer is an atomic layer deposition layer.Type: ApplicationFiled: April 30, 2019Publication date: February 27, 2020Inventors: Kyung Lock KIM, Byeong Cheol Moon, Chang Hak CHOI, Jeong Gu Yeo, Young Il Lee
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Publication number: 20200051735Abstract: A coil component includes a body and external electrodes. The body includes a support member having through-openings formed in end portions thereof, an internal coil supported by the support member, and an encapsulant encapsulating the support member and the internal coil. The through-openings are filled with end portions of the internal coil. An insulating layer is interposed between the internal coil and the external electrode.Type: ApplicationFiled: March 26, 2019Publication date: February 13, 2020Inventors: Jeong Gu Yeo, Byeong Cheol Moon
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Patent number: 10543444Abstract: The present invention provides a dust collector which includes a chamber divided into an inlet chamber and a discharge chamber by a barrier, and a bag filter which is installed inside of the inlet chamber, and is formed in a shape having an inner space and an opening part by a filter medium, so as to communicate with the discharge chamber through the opening part, wherein a treatment gas is introduced into the inlet chamber and is filtered while passing through the filter medium of the bag filter, then moves to the discharge chamber through the opening part to be discharged, and the bag filter has air permeability decreased toward the opening part. According to the bag filter and the dust collector, it is possible to achieve a high collection performance and a stable operation even when using a long bag filter due to improvement of uniformity of the filtration velocity along the length of the bag filter.Type: GrantFiled: January 27, 2017Date of Patent: January 28, 2020Assignee: Korea Institute of Energy ResearchInventors: Hyun-Seol Park, Joon-Mok Shim, Yun-Haeng Joe, Jeong-Gu Yeo
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Patent number: 10522849Abstract: The present invention relates to an electrochemical cell having a channel-type flow-electrode unit. The channel-type flow-electrode structure according to the present invention, which has at least two channel-type flow-electrode units, can significantly reduce manufacturing costs and installation space by reducing the number of parts while extending the electrode capacity to be suitable for large-scale plants for electricity generation, energy storage, desalination, etc. In addition, the channel-type flow-electrode structure can be applied not only to a capacitive flow-electrode device and/or a redox flow battery device, but also to all of the devices for electricity generation, energy storage, and desalination while moving ions or protons.Type: GrantFiled: September 1, 2017Date of Patent: December 31, 2019Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Dong-Kook Kim, Sung-Il Jeon, Ko-Yeon Choo, Younghyun Cho, Jeong-Gu Yeo, Jong-Soo Park, SeungCheol Yang, Ji Yeon Choi, Hong Ran Park, Ki Sook Lee, Young Jik Youn, Jung Hyun Lee, Hee-Yeon Kim
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Patent number: 10464233Abstract: Disclosed is an injection mold. The injection mold includes a mold set having n molds (n is a natural number of ?2) defining a cavity for injection molding a green body, and at least one ejector provided on at least one of the n molds to separate an injection-molded part from the mold set. The ejector is provided with a first heater capable of heating the mold set to a first temperature.Type: GrantFiled: May 26, 2016Date of Patent: November 5, 2019Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Jeong-Gu Yeo, Young-Hwan Kim, Jin-seok Lee, SeungCheol Yang
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Publication number: 20190311831Abstract: A manufacturing method of a coil component includes: forming a plating resist on an internal insulating layer; forming a coil pattern and a lead pattern connected to the coil pattern and at least partially having a thickness smaller than that of the coil pattern by plating; removing the plating resist; and stacking a magnetic sheet on the internal insulating layer to form a body.Type: ApplicationFiled: December 7, 2018Publication date: October 10, 2019Inventors: Jeong Gu YEO, Jae Hun KIM
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Patent number: 10239015Abstract: This invention relates to a device for separating carbon dioxide that includes a self-recycling loop, and to a method of separating carbon dioxide, which serve to effectively separate carbon dioxide from a combustion gas using a separation membrane provided with the self-recycling loop. This invention adopts a self-recycling loop in which the residue gas passing through a specific separation membrane is introduced into another separation membrane and in which a permeate gas passing through the specific separation membrane is introduced back into the specific separation membrane. Accordingly, the concentration of carbon dioxide in the feed gas of the specific separation membrane is increased, which increases the concentration of the permeate gas to thus improve the separation performance of the separation membrane, thereby separating high-purity carbon dioxide.Type: GrantFiled: November 22, 2016Date of Patent: March 26, 2019Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Jeong-gu Yeo, Jung-hyun Lee, Jong-ho Moon, Young Cheol Park, Dahun Lee, Woong Jin Oh
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Patent number: 10147533Abstract: An inductor includes a body including an organic material and a coil part disposed in the body. External electrodes are disposed on outer surfaces of the body and connected to the coil part. The coil part includes a conductive pattern and a conductive via. An adhesive layer is disposed between the conductive pattern and the conductive via, and the adhesive layer is formed of a material different from materials of the conductive pattern and the conductive via.Type: GrantFiled: April 7, 2016Date of Patent: December 4, 2018Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Soo Hyun Lyoo, Se Woong Paeng, Jung Min Kim, Jeong Gu Yeo, Tae Hoon Kim, Sang Jun Lee, Ji Hyung Jung, Ji Man Ryu, Do Young Jung
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Patent number: 10105638Abstract: An apparatus separating carbon dioxide from combustion gas using separation membranes, which includes: a first separation membrane in which combustion gas is injected into an inlet side of the first separation membrane; a second separation membrane in which residue gas of the first separation membrane is injected into an inlet side of the second separation membrane; and a third separation membrane in which permeate gas of the first separation membrane is injected into an inlet side of the third separation membrane, wherein at least a part of permeate gas of the third separation membrane is captured, and residue gas of the third separation membrane is injected into the inlet side of the first separation membrane or the second separation membrane. The present invention can be easily applied to an actual process by efficiently separating carbon dioxide using separation membranes.Type: GrantFiled: May 26, 2016Date of Patent: October 23, 2018Assignee: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Jeong-Gu Yeo, Jong-ho Moon, Jung-hyun Lee, Young Cheol Park
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Patent number: 9984821Abstract: A multilayer ceramic capacitor includes an active region including a plurality of dielectric layers, and first and second internal electrodes alternately disposed with each of the dielectric layers interposed therebetween; and upper and lower cover regions including at least one ferromagnetic layer and disposed on and below the active region, respectively.Type: GrantFiled: February 24, 2016Date of Patent: May 29, 2018Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Yong An, Kang Ryong Choi, Jae Yeong Kim, Yong Hui Li, Byeong Cheol Moon, Jeong Gu Yeo
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Publication number: 20180140994Abstract: This invention relates to a device for separating carbon dioxide that includes a self-recycling loop, and to a method of separating carbon dioxide, which serve to effectively separate carbon dioxide from a combustion gas using a separation membrane provided with the self-recycling loop. This invention adopts a self-recycling loop in which the residue gas passing through a specific separation membrane is introduced into another separation membrane and in which a permeate gas passing through the specific separation membrane is introduced back into the specific separation membrane. Accordingly, the concentration of carbon dioxide in the feed gas of the specific separation membrane is increased, which increases the concentration of the permeate gas to thus improve the separation performance of the separation membrane, thereby separating high-purity carbon dioxide.Type: ApplicationFiled: November 22, 2016Publication date: May 24, 2018Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Jeong-gu YEO, Jung-hyun LEE, Jong-ho MOON, Young Cheol PARK, Dahun LEE, Woong Jin OH
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Publication number: 20180123145Abstract: The present invention relates to an electrochemical cell having a channel-type flow-electrode unit. The channel-type flow-electrode structure according to the present invention, which has at least two channel-type flow-electrode units, can significantly reduce manufacturing costs and installation space by reducing the number of parts while extending the electrode capacity to be suitable for large-scale plants for electricity generation, energy storage, desalination, etc. In addition, the channel-type flow-electrode structure can be applied not only to a capacitive flow-electrode device and/or a redox flow battery device, but also to all of the devices for electricity generation, energy storage, and desalination while moving ions or protons.Type: ApplicationFiled: September 1, 2017Publication date: May 3, 2018Applicant: KOREA INSTITUTE OF ENERGY RESEARCHInventors: Dong-Kook KIM, Sung-Il JEON, Ko-Yeon CHOO, Younghyun CHO, Jeong-Gu YEO, Jong-Soo PARK, SeungCheol YANG, Ji Yeon CHOI, Hong Ran PARK, Ki Sook LEE, Young Jik YOUN, Jung Hyun LEE, Hee-Yeon KIM
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Patent number: 9828481Abstract: Disclosed is a method of manufacturing a porous ceramic body, which includes: (S1) mixing silica powders having a particle size of 0.045˜0.5 mm, zircon flour and wax, thus preparing a ceramic mixture; (S2) placing the ceramic mixture into a mold, thus producing a green body; and (S3) sintering the green body at high temperature, thus obtaining a porous ceramic body, wherein the silica having a particle size of 0.1˜0.5 mm is contained in an amount of 50˜80 wt % based on the total weight of the porous ceramic body; and also which produces a bulk porous ceramic body having good strength and leaching properties with excellent dimensional stability and shape stability.Type: GrantFiled: June 28, 2013Date of Patent: November 28, 2017Assignee: Korea Institute of Energy ResearchInventors: Jeong-Gu Yeo, Jin-Seok Lee, Young-Hwan Kim, Yeon-Gil Jung, Ungyu Paik
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Patent number: 9793741Abstract: The present invention relates to a magnetic sheet, a wireless charging sheet, and a method for manufacturing a magnetic sheet. According to an embodiment of the present invention, a magnetic sheet used in a wireless charging sheet, which includes a metal sheet layer consisting of a plurality of divided segments; and an insulating material filled in a dividing space between the segments and forms a magnetic path of a magnetic field generated around a coil, is provided. Further, a wireless charging sheet and a method for manufacturing a magnetic sheet are provided.Type: GrantFiled: October 10, 2014Date of Patent: October 17, 2017Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jeong Gu Yeo, Kang Ryong Choi, Dong Hyeok Choi, Sung Yong An, Chang Ryul Jung, Ji Man Ryu
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Publication number: 20170216752Abstract: The present invention provides a dust collector which includes a chamber divided into an inlet chamber and a discharge chamber by a barrier, and a bag filter which is installed inside of the inlet chamber, and is formed in a shape having an inner space and an opening part by a filter medium, so as to communicate with the discharge chamber through the opening part, wherein a treatment gas is introduced into the inlet chamber and is filtered while passing through the filter medium of the bag filter, then moves to the discharge chamber through the opening part to be discharged, and the bag filter has air permeability decreased toward the opening part. According to the bag filter and the dust collector, it is possible to achieve a high collection performance and a stable operation even when using a long bag filter due to improvement of uniformity of the filtration velocity along the length of the bag filter.Type: ApplicationFiled: January 27, 2017Publication date: August 3, 2017Inventors: Hyun-Seol PARK, Joon-Mok SHIM, Yun-Haeng JOE, Jeong-Gu YEO