Patents by Inventor Jung-Min Kwak

Jung-Min Kwak 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).

  • Publication number: 20250107078
    Abstract: A semiconductor device may include a gate structure including stacked local lines and a multi-step structure, wherein the multi-step structure defines pads of the local lines, channel patterns respectively disposed over the pads, a block word line disposed over the channel patterns and extending along a profile of the multi-step structure, and first contact plugs passing through the channel patterns and respectively connecting the channel patterns and the local lines.
    Type: Application
    Filed: December 21, 2023
    Publication date: March 27, 2025
    Inventors: Seok Min CHOI, Jeong Hwan KIM, Jung Shik JANG, Rho Gyu KWAK, In Su PARK, Na Yeong YANG, Won Geun CHOI, Jung Dal CHOI
  • Patent number: 12261325
    Abstract: A battery module including a cell stack structure in which a plurality of battery cells including a first battery cell and a second battery cell neighboring each other are stacked. A bus bar frame assembly includes a plurality of lead drawing holes from which electrode leads included in the plurality of battery cells are drawn out. An electrode lead of a first polarity included in the first battery cell and an electrode lead of the first polarity included in the second battery cell are externally drawn out through a same lead drawing hole. The electrode lead of the first battery cell and the electrode lead of the second battery cell are bent in a same direction at a same location and each includes a first bent portion formed on a terrace portion and a second bent portion formed in a region where a lead film is formed.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: March 25, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Won-Kyoung Park, Jun-Yeob Seong, Jung-Min Kwak, Jun-Kyu Park
  • Patent number: 12258974
    Abstract: An impeller includes a hub, and a vain unit provided radially at a position spaced apart by a predetermined distance based on the hub. The vane unit is configured to begin at a position spaced apart by a predetermined radius based on the hub and to end to be formed into a streamlined shape in which a beginning portion becomes narrower in width than an end portion. The vane unit includes “n” first vanes radially configured at positions spaced apart by a radius r1 based on the hub and having a first length, where “n” is a natural number equal to or greater than 3; and “n” second vanes disposed between the first vanes, the second vanes having a second length that is less than the first length of the first vanes.
    Type: Grant
    Filed: October 9, 2024
    Date of Patent: March 25, 2025
    Assignee: GREEN TECH Co., Ltd
    Inventors: Jung Gon Lee, Seung Min Lee, Min Seok Kwak, Nam Hoon Kim
  • Publication number: 20250096152
    Abstract: A semiconductor device may include a source structure, a support structure positioned on the source structure and including a first inclined surface extending in a second direction crossing the first direction, a gate structure positioned on the source structure and the support structure and including conductive layers and insulating layers alternately stacked, channel structures extending through the gate structure and connected to the source structure, and a slit structure extending in the first direction through the gate structure, wherein each of the conductive layers includes a second inclined surface extending in the second direction.
    Type: Application
    Filed: December 21, 2023
    Publication date: March 20, 2025
    Inventors: Rho Gyu KWAK, In Su PARK, Jung Shik JANG, Seok Min CHOI, Won Geun CHOI
  • Publication number: 20250071989
    Abstract: The present technology relates to a semiconductor memory device and a method of manufacturing the same. The semiconductor memory device includes a first stack structure, a plurality of first slits passing through the first stack structure in a vertical direction and extending in a first horizontal direction orthogonal to the vertical direction, a first source line layer contacting an a top portion of the first stack structure, a second source line layer directly contacting the first source line layer, a second stack structure contacting the second source line layer and overlapping with the first stack structure in the vertical direction, and a plurality of second slits passing through the second stack structure in the vertical direction and extending in a second horizontal direction orthogonal to the vertical direction.
    Type: Application
    Filed: December 11, 2023
    Publication date: February 27, 2025
    Inventors: Seok Min CHOI, Jung Shik JANG, Rho Gyu KWAK, In Su PARK, Won Geun CHOI, Jung Dal CHOI
  • Publication number: 20250072011
    Abstract: A memory device includes a first peripheral circuit having first page buffers is functionally divided into a cell region and a connection region. A first memory cell array positioned on the first peripheral circuit includes first bit lines that are electrically connected to the first page buffers. A second memory cell array positioned on the first memory cell array includes second bit lines, which are electrically connected to the first bit lines, respectively. The first peripheral circuit is able to make use of both memory arrays using connections between the two memory arrays.
    Type: Application
    Filed: February 22, 2024
    Publication date: February 27, 2025
    Applicant: SK hynix Inc.
    Inventors: Jung Shik JANG, Seok Min CHOI, Rho Gyu KWAK, Won Geun CHOI, In Su PARK
  • Patent number: 12224454
    Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of battery cells, a busbar frame assembly supporting the plurality of battery cells and including a plurality of busbars electrically connected to electrode leads of the plurality of battery cells, and a plurality of fixing jig holes provided in top and bottom surfaces of the busbar frame assembly, and into which welding jigs for fixing the busbar frame assembly are configured to be inserted in a welding process for electrically connecting the electrode leads of the plurality of battery cells to the plurality of busbars.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: February 11, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Young-Ho Lee, Jung-Min Kwak, Do-Hyun Park, Jae-Hyun You
  • Publication number: 20250048626
    Abstract: A memory device may include a stack structure including a plurality of conductive layers and a plurality of interlayer insulating layers, which are alternately stacked along a first direction, an opening extending in the first direction from at least one conductive layer, among the plurality of conductive layers, in the stack structure, and a contact plug in the opening. The opening may include a protrusion portion protruding in a second direction intersecting the first direction.
    Type: Application
    Filed: January 15, 2024
    Publication date: February 6, 2025
    Applicant: SK hynix Inc.
    Inventors: Won Geun CHOI, Jung Shik JANG, Rho Gyu KWAK, Seok Min CHOI
  • Patent number: 12074342
    Abstract: A battery module includes a cell stack formed by stacking a plurality of battery cells; a bus bar frame assembly including a bus bar frame configured to cover one longitudinal end and the other longitudinal end of the cell stack and a plurality of bus bars fixed on the bus bar frame and electrically connected to the battery cells; and a FPCB assembly including a first FPCB extending along a longitudinal direction of the cell stack to cover at least a portion of an upper surface of the cell stack, a second FPCB extending from both longitudinal ends of the first FPCB and electrically connected to the bus bars, and a pair of temperature sensors mounted to both longitudinal ends of the first FPCB.
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: August 27, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Ha Jeong, Do-Hyun Park, Young-Ho Lee, Jung-Min Kwak, Jae-Hyun You
  • Patent number: 12021252
    Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of battery cells, a module case accommodating the plurality of battery cells therein, a busbar frame assembly slidably inserted into the module case to support the plurality of battery cells, the busbar frame assembly including a plurality of busbars electrically connected to electrode leads of the plurality of battery cells, and a fuse unit connected to at least one pair of busbars of the plurality of busbars, the fuse unit being provided between the at least one pair of busbars.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: June 25, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Do-Hyun Park, Jung-Min Kwak, Young-Ho Lee, Jong-Ha Jeong
  • Patent number: 11978923
    Abstract: A battery module includes a cell stack formed by stacking a plurality of battery cells; a bus bar frame assembly; and an outer terminal. The bus bar frame assembly includes a bus bar frame and a plurality of bus bars fixed on the bus bar frame and electrically connected to the battery cells, the bus bar frame being configured to cover first and second opposing longitudinal ends of the cell stack, and the outer terminal is connected to the plurality of bus bars. A pair of electrode leads of each of the battery cells are formed at locations offset downwardly from a center of the cell stack in a height direction, and the outer terminal is disposed in the space formed above the electrode leads due to the offsetting of the electrode leads.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 7, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Dai-Ki Min, Jung-Min Kwak, Jong-Ha Jeong
  • Publication number: 20230198077
    Abstract: A battery module and a battery pack comprising the same are provided. The battery module includes a cell stack including a plurality of unit cell stacks, each unit cell stack including stacked battery cells, a module housing accommodating the cell stack, and a structural reinforcement beam disposed in parallel with the battery cells and between adjacent unit cell stacks, upper and lower end portions of the structural reinforcement beam being partially inserted into and fixedly coupled to an upper surface and a lower surface of the module housing respectively such that the unit cell stacks are spatially spaced apart from each other.
    Type: Application
    Filed: July 21, 2021
    Publication date: June 22, 2023
    Inventors: Dae-Gil Kim, Seung-Ryul Baek, Jung-Min Kwak, Gue-Tae Cho
  • Patent number: 11349173
    Abstract: A battery module includes a cell stack structure formed as a plurality of battery cells stacked and accommodated in a module case. The module case includes at least one hole forming plate having a plurality of resin injection holes formed therein for receiving an adhesive resin therethrough, and the plurality of resin injection holes are distributed on both a left side and a right side of a center of the hole forming plate in a longitudinal direction thereof, such that the resin injection holes on the left side and the right side are spaced apart from each other by a predetermined distance from the center of the hole forming plate in the longitudinal dimension.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: May 31, 2022
    Inventors: Jung-Min Kwak, Jong-Ha Jeong, Do-Hyun Park, Young-Ho Lee, Yong-Hoon Lee
  • Publication number: 20210218098
    Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of battery cells, a module case accommodating the plurality of battery cells therein, a busbar frame assembly slidably inserted into the module case to support the plurality of battery cells, the busbar frame assembly including a plurality of busbars electrically connected to electrode leads of the plurality of battery cells, and a fuse unit connected to at least one pair of busbars of the plurality of busbars, the fuse unit being provided between the at least one pair of busbars.
    Type: Application
    Filed: December 20, 2019
    Publication date: July 15, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Do-Hyun Park, Jung-Min Kwak, Young-Ho Lee, Jong-Ha Jeong
  • Publication number: 20210203041
    Abstract: A battery module according to an embodiment of the present disclosure includes a plurality of battery cells, a busbar frame assembly supporting the plurality of battery cells and including a plurality of busbars electrically connected to electrode leads of the plurality of battery cells, and a plurality of fixing jig holes provided in top and bottom surfaces of the busbar frame assembly, and into which welding jigs for fixing the busbar frame assembly are configured to be inserted in a welding process for electrically connecting the electrode leads of the plurality of battery cells to the plurality of busbars.
    Type: Application
    Filed: December 19, 2019
    Publication date: July 1, 2021
    Applicant: LG Chem, Ltd.
    Inventors: Young-Ho Lee, Jung-Min Kwak, Do-Hyun Park, Jae-Hyun You
  • Patent number: D921578
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: June 8, 2021
    Inventors: Dai-Ki Min, Jung-Min Kwak, Jong-Ha Jeong
  • Patent number: D921579
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: June 8, 2021
    Inventors: Do-Hyun Park, Jung-Min Kwak, Young-Ho Lee, Jong-Ha Jeong
  • Patent number: D926675
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: August 3, 2021
    Inventors: Jung-Min Kwak, Jun-Yeob Seong, Jong-Ha Jeong
  • Patent number: D936025
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: November 16, 2021
    Inventors: Jong-Ha Jeong, Do-Hyun Park, Young-Ho Lee, Jung-Min Kwak, Jae-Hyun You
  • Patent number: D937791
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: December 7, 2021
    Inventors: Jong-Ha Jeong, Jung-Min Kwak, Do-Hyun Park, Jun-Yeob Seong, Young-Ho Lee