Patents Assigned to Amogreentech Co., Ltd.
  • Patent number: 11511235
    Abstract: A filter assembly including a filtration medium comprising a nanofiber, having a three-dimensional network structure, and having a fiber web layer comprising a hydrophilic coating layer that covers at least a part of the outer surface of the nanofiber; and a first support body that supports the filtration medium, which is provided on both surfaces thereof, and has a channel formed therein. Accordingly, the filtration medium has excellent chemical resistance and improved hydrophilicity such that the flow rate can increase substantially. In addition, the improved hydrophilicity is maintained for a long period of time such that the utilization period can be extended substantially. Furthermore, any change in the pore structure of the filtration medium during the hydrophilicity endowing process is minimized such that the initially designed physical characteristics of the filtration medium can be fully exhibited.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: November 29, 2022
    Assignee: Amogreentech Co., Ltd.
    Inventors: Ui Young Jeong, In Yong Seo
  • Publication number: 20220356095
    Abstract: Disclosed is a membrane bioreactor (MBR) system. The MBR system according to one embodiment of the present invention includes a membrane filtration tub, a filtration portion including a filter member and installed in the membrane filtration tub, a filtered water storage tank, an air tank configured to store air to be supplied to the filtration portion, a flow channel portion including a first flow channel configured to connect the filtration portion to the filtered water storage tank and a second flow channel configured to connect the filtration portion to the air tank, a valve portion including a first valve located on the first flow channel and configured to open or close the first flow channel and a second valve located on the second flow channel and configured to open or close the second flow channel, and a decompression portion.
    Type: Application
    Filed: September 9, 2021
    Publication date: November 10, 2022
    Applicant: AMOGREENTECH CO., LTD.
    Inventor: Jin LEE
  • Patent number: 11493561
    Abstract: Disclosed is a method for producing a sensor and a battery pressure detecting sensor produced thereby, which operate in a short mode when a pressure of a standard level or more is applied, thereby preventing the breakage and ignition of a battery due to swelling. The disclosed battery pressure detecting sensor disposes a membrane sheet formed with a first accommodation hole under a conductive sheet, has a part of the conductive sheet connected to a first terminal through a first accommodation hole, and has the membrane sheet connected to a second terminal.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: November 8, 2022
    Assignee: AMOGREENTECH CO., LTD.
    Inventor: Inyong Seo
  • Publication number: 20220348813
    Abstract: An RF heat dissipation plastic including a polymer matrix comprising a polymer resin; and a first filler that is dispersed in the polymer matrix, and includes a high-strength filler, which is a polymer containing at least one hydroxy group in the repeating unit thereof, and an inorganic coating layer formed on at least a part of the surface of the high-strength filler. Therefore, the RF heat dissipation plastic has a low dielectric constant and excellent mechanical strength are simultaneously exhibited.
    Type: Application
    Filed: September 16, 2020
    Publication date: November 3, 2022
    Applicant: AMOGREENTECH CO., LTD.
    Inventor: Jin Hyoung LEE
  • Publication number: 20220347609
    Abstract: Provided is a filter medium. A filter medium according to an embodiment of the present invention comprises: a first porous support body which has been electrostatically treated; and a nanofiber web which is disposed on one surface of the first support body and formed by accumulating nanofibers. Accordingly, excellent air filtering efficiency is obtained even for fine dust of PM 2.5 or below, and furthermore, deterioration in air filtering efficiency may be prevented or minimized even when usage is extended for a long period of time. Therefore, the filter medium and the composite filter according to an embodiment of the present invention can be widely utilized as media of filters for various air filtering devices.
    Type: Application
    Filed: July 22, 2020
    Publication date: November 3, 2022
    Applicant: AMOGREENTECH CO., LTD.
    Inventors: Seoung Hoon LEE, Jun Keun CHO, Chan KIM, Kyung Su KIM, Seon HO JANG, Yun Mi SO
  • Patent number: 11489165
    Abstract: Provided are an electrode wherein a short-circuit preventing film laminated on the surface of the electrode can prevent a short circuit between a cathode and an anode when a battery is overheated; a secondary battery using the electrode; and a method for manufacturing the electrode. The secondary battery electrode includes: an electrode current collector; an active material layer formed on the electrode current collector; and a short-circuit preventing film laminated on the active material layer, wherein the short-circuit preventing film includes a nanoweb type porous membrane which is formed by integrating nanofiber strands obtained by electrospinning polyacrylonitrile (PAN).
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: November 1, 2022
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: Seung Yun Rho, Dong Woo Kim, Seung Gon Park
  • Publication number: 20220340802
    Abstract: Provided is an RF heat dissipation plastic. The heat dissipation plastic according to one embodiment of the present invention is implemented by including: a polymer matrix comprising a base resin; and hollow first fillers dispersed in the polymer matrix. Accordingly, the RF heat dissipation plastic has the advantageous effect of simultaneously exhibiting low permittivity and excellent mechanical strength due to the hollow fillers included therein. In addition, despite the low permittivity and excellent mechanical strength designed for the RF heat dissipation plastic, the RF heat dissipation plastic exhibits excellent heat dissipation performance due to non-hollow fillers included therein, which exhibit heat dissipation performance.
    Type: Application
    Filed: September 16, 2020
    Publication date: October 27, 2022
    Applicant: AMOGREENTECH CO., LTD.
    Inventor: Jin Hyoung LEE
  • Patent number: 11478734
    Abstract: A filter medium is provided. The filter medium according to an embodiment of the present invention comprises: a first support body having a plurality of pores; a nanofiber web comprising nanofibers disposed on upper and lower sides of the first support body and forming a three dimensional network structure; and a second support body having a plurality of pores interposed between the first support body and the nanofiber web, wherein the nanofiber web is realized as a filter medium that satisfies: (1) an elongation of 25% or more, (2) an air permeability of 0.1 to 2.00 cfm, and 3) porosity of 60%˜85%. Accordingly, since the filter medium has a fixed level of mechanical properties of the nanofiber web, the shape, structure deformation, and damage of the filter medium are minimized and a flow path is smoothly secured during a water treatment operation so that the filter medium can have a high flow rate.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: October 25, 2022
    Assignee: Amogreentech Co., Ltd.
    Inventors: In Yong Seo, Ui Young Jeong
  • Patent number: 11476513
    Abstract: Provided is a heat-dissipating elastic body composition. The heat-dissipating elastic body composition according to an exemplary embodiment of the present invention includes an elastic matrix-forming component including a base resin and a vulcanizing agent, and a heat-dissipating filler. Accordingly, the heat-dissipating elastic body may protect a heating element from a physical stimulus such as a vibration or impact transmitted from the outside to a heat dissipater, and rapidly transduce and radiate heat generated in the heating element. In addition, the heat-dissipating elastic body may minimize vibrations caused by a physical stimulus applied from the outside and a noise thereby by minimizing a gap between a heating element and an exterior material, a heat dissipating element or the like, which is adjacent thereto/in close contact therewith.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: October 18, 2022
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: Hwan Ku Lee, Seung Jae Hwang, Beom Jun Kim, Moon Young Hwang
  • Patent number: 11471833
    Abstract: A flat-plate filter for water treatment and a flat-plate filter module comprising the same are provided. The flat-plate filter for water treatment according to an embodiment of the present invention comprises: a piece-shaped filtration member comprising a first support and a membrane formed on both sides of the first support; and a support frame fitted in and coupled to the edge of the filtration member so as to support the filtration member, and having a flow path through which filtered water introduced from at least one surface of the filtration member flows, wherein a part of the filtration member is disposed in the flow path or at the edge of the flow path such that the first support is exposed.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: October 18, 2022
    Assignee: Amogreentech Co., Ltd.
    Inventors: Kyung Gu Han, Jae Yun Kim
  • Patent number: 11440290
    Abstract: Disclosed is a waterproof sound-transmitting sheet for facilitating a visual inspection, which radiates a polymer material in a state of blending a pigment to form a waterproof layer having an achromatic color, thereby facilitating a vision inspection, and improving a water repellence even while making the waterproof sound-transmitting sheet thin and light. The disclosed waterproof sound-transmitting sheet for facilitating the visual inspection includes an acoustic layer interposed between an upper waterproof layer and a lower waterproof layer, and at least one of the upper waterproof layer and the lower waterproof layer is composed of a porous colored membrane having a color.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: September 13, 2022
    Assignee: AMOGREENTECH CO., LTD.
    Inventor: Inyong Seo
  • Publication number: 20220270792
    Abstract: Provided is a Fe-based soft magnetic alloy. A Fe-based soft magnetic alloy according to an embodiment of the present invention is expressed by the empirical formula FeaBbCcCudNbe, wherein a, b, c, d, and e represent atomic percents (at %) of corresponding elements and satisfy 78.0?a?84.5 and 15.5?b+c+d+e?22.0. Hence, the Fe-based soft magnetic alloy has a high saturated magnetic flux density and high permeability characteristics and thus can be utilized for small and lightweight components, and has low coercive force and low magnetic loss characteristics and thus very easily finds applications in high-performance/high-efficiency components. Furthermore, the Fe-based soft magnetic alloy can minimize the effect of heat treatment conditions in the implementation of uniform grains with a small particle diameter after heat treatment, thereby greatly facilitating the design of process conditions, and thus is very suitable in mass production.
    Type: Application
    Filed: July 13, 2020
    Publication date: August 25, 2022
    Applicant: AMOGREENTECH CO., LTD.
    Inventors: Se Joong YOON, Soon Mo HWANG, Yong Sul SONG
  • Patent number: 11420572
    Abstract: Provided is a power relay assembly. The power relay assembly comprises: a support plate having at least one electrical element mounted on one surface thereof and including a plastic material having a heat dissipation property and insulation property; at least one bus bar electrically connected to the electrical element; and an electromagnetic wave shielding unit for shielding electromagnetic waves generated from the electrical element.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: August 23, 2022
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: Min-Ho Won, Seung Jae Hwang
  • Publication number: 20220232727
    Abstract: A housing for repeater having an accommodation part accommodating therein a device for repeating an RF signal, and at least a portion of the housing is implemented with heat dissipation plastic having, at a frequency of 28 GHz, a relative permittivity of less than or equal to 4 and a thermal conductivity of greater than or equal to 3 W/mK. Accordingly, as the housing has a high heat dissipation performance against high heat generated from various types of devices provided inside the repeater for transmitting and receiving a signal in a high frequency band and minimizes the interference of transmission and reception of the signal in the high frequency band, the housing can be widely used as a housing for repeater in the mobile communication field or the like using a signal in a high frequency band.
    Type: Application
    Filed: May 25, 2020
    Publication date: July 21, 2022
    Applicant: AMOGREENTECH CO., LTD.
    Inventor: Jin Hyoung LEE
  • Patent number: 11371124
    Abstract: An Fe-based soft magnetic alloy is provided. The Fe-based soft magnetic alloy can be represented by empirical formula FeaBbCcCud, and in the empirical formula, a, b, c and d are atomic percent (at %) of the corresponding element and are respectively 78.5?a?86, 13.5?b+c?21 and 0.5?d?1.5. The alloy has a high saturated magnetic flux density, excellent high frequency characteristics and low coercivity, and thus greatly facilitates the development of use as high performance/high efficiency small/lightweight parts. Since manufacturing costs are very low and the components contained in an alloy are easily controlled in an alloy manufacturing process, thereby enabling mass production of the alloy, the present invention can be widely applied as magnetic parts of electric and electronic devices such as a high power laser, a high frequency power supply, a high-speed pulse generator, an SMPS, a high-pass filter, a low-loss high frequency transformer, a fast switch and wireless charging.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: June 28, 2022
    Assignees: INDUSTRY-UNVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS, AMOGREENTECH CO., LTD.
    Inventors: Jong Ryoul Kim, Min Kang, Woo Chul Kim, Han Ho Oh, Yong-Sul Song
  • Patent number: 11364470
    Abstract: A filter medium including: a porous first support; nanofiber webs respectively stacked at the upper and lower parts of the first support, and made of a plurality of nanofibers of which the diameters have a standard deviation of 300 nm or less; and a porous second support interposed between the first support and the nanofiber web. The filter medium is implemented by fibers having uniform diameters, and thus is easily manufactured to have a predetermined pore diameter and simultaneously has excellent uniformity of the pore diameters, thereby having excellent filtering efficiency and being more suitable when selectively separating specific objects. Backwashing is enabled at uniform pressure during backwashing such that high cleaning power is obtained. The filter medium has excellent water permeability and excellent mechanical strength so as to minimize the shape and structural deformation and damage of the filter medium.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: June 21, 2022
    Assignee: Amogreentech Co., Ltd.
    Inventors: Ui Young Jeong, In Yong Seo
  • Patent number: 11359064
    Abstract: Provided is a composition for producing a graphite-polymer composite. A composition for producing a graphite-polymer composite according to an embodiment of the present invention is prepared by comprising: a heat radiation filler comprising a non-insulating filler and an insulating filler, the non-insulating filler comprising a graphite composite including nanoparticles combined to a surface of graphite and a catechol amine layer; and a matrix forming component comprising a thermoplastic polymer compound. According to the present invention, the composition leads to an improvement in insulation property of a heat radiation member and a minimization in deterioration of heat radiation performance of the heat radiation member, so that the utilization of the composition can be improved in industries requiring both heat radiation characteristics and heat insulation performance.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: June 14, 2022
    Assignee: AMOGREENTECH CO., LTD.
    Inventor: Seung Jin Choi
  • Publication number: 20220167525
    Abstract: Provided is a power semiconductor cooling module for an electric vehicle. The power semiconductor cooling module for an electric vehicle, according to one exemplary embodiment of the present invention, is electrically connected to a motor and comprises: a box-shaped housing part having an inner space; a power element part disposed in the inner space and electrically connected to a motor via at least one busbar; a heat dissipation part disposed in the inner space so as to make contact with the power element part in order to cool heat generated from the power element part; and a heat backflow prevention member disposed so as to surround at least a portion of the total length of the busbar, and disposed so as to make contact with the heat dissipation part.
    Type: Application
    Filed: February 20, 2020
    Publication date: May 26, 2022
    Applicant: AMOGREENTECH CO., LTD.
    Inventor: Hwan Ku LEE
  • Patent number: 11330709
    Abstract: A flexible printed circuit board according to the present disclosure includes: a first base sheet, a second base sheet, and a first protection sheet. The first base sheet includes a first Teflon film and a first circuit pattern disposed on the first Teflon film. The second base sheet includes a second Teflon film and a second circuit pattern disposed on the second Teflon film, and is laminated on the first base sheet. The first protection sheet covers the first base sheet. A portion of the first base sheet that is exposed to the first protection sheet is surface-modified.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: May 10, 2022
    Assignee: AMOGREENTECH CO., LTD.
    Inventor: Jeong Sang Yu
  • Patent number: D959270
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: August 2, 2022
    Assignee: AMOGREENTECH CO., LTD.
    Inventor: Ji-Hyung Lee