Patents by Inventor Young-Ki Kim

Young-Ki Kim 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: 11564523
    Abstract: The present disclosure relates to juice extractor comprising a cutting part for cutting a material for juice extraction beforehand by rotation above a screw, wherein the cutting part is formed in a dual structure of a core body and an outer shell covering the outer side of the core body with a material different from the core body.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: January 31, 2023
    Assignee: Hurom Co., Ltd.
    Inventors: Young Ki Kim, Soo Hee Yea, Sung Ha Jung, Dae Il Kim, Sang Min An, Chang Ho Han, Jae Hong Ham, Seung Min Yeo
  • Patent number: 11552293
    Abstract: A positive active material for a rechargeable lithium battery includes a first compound represented by Chemical Formula 1, and a second compound having a smaller particle diameter than the first compound and represented by Chemical Formula 2, wherein the first compound and the second compound have a Ni content of about 50 at % to about 60 at % based on a total amount of metal elements excluding Li. A rechargeable lithium battery including the first compound and the second compound satisfies Relation 1: Vs<V1?3.6.??[Relation 1] In Relation 1, V1 is a voltage value at a point where a tangent line to a value corresponding to 50% of the first peak value intersects the line dQ/dV=0, and Vs is a charge start voltage, as determined from a differential capacity (dQ/dV)-voltage charge/discharge plot.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: January 10, 2023
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Jungjoon Park, Soonrewl Lee, Youngjoo Chae, Ickkyu Choi, Mingzi Hong, Soonkie Hong
  • Patent number: 11515521
    Abstract: A positive active material for a rechargeable lithium battery includes a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2 and having a smaller particle diameter than the first compound, wherein at least one of the first compound and the second compound includes a core and a surface layer surrounding the core: Lia1Nix1Coy1M11-x1-y1O2,??Chemical Formula 1 Lia2Nix2Coy2M21-x2-y2O2,??Chemical Formula 2 wherein M1 and M2 are each independently at least one selected from Mn, Al, Cr, Fe, V, Mg, Ti, Zr, Nb, Mo, W, Cu, Zn, Ga, In, Sn, La, and Ce. The atomic concentration (at %) of nickel (Ni) with respect to the total amount of non-lithium metals is higher in the surface layer than in the core, and an amount of cation mixing is less than or equal to about 3%.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: November 29, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Mingzi Hong, Young-Ki Kim, Jungjoon Park, Soonrewl Lee, Youngjoo Chae, Ickkyu Choi, Soonkie Hong
  • Patent number: 11515535
    Abstract: A positive active material for a rechargeable lithium battery includes a first compound represented by Chemical Formula 1, and a second compound having a smaller particle diameter than the first compound and represented by Chemical Formula 2, wherein the first compound and the second compound have a Ni content of about 50 at % to about 60 at % based on a total amount of metal elements excluding Li. A rechargeable lithium battery including the first compound and the second compound satisfies Relation 1: Vs<V1?3.6.??[Relation 1] In Relation 1, V1 is a voltage value at a point where a tangent line to a value corresponding to 50% of the first peak value intersects the line dQ/dV=0, and Vs is a charge start voltage, as determined from a differential capacity (dQ/dV)-voltage charge/discharge plot.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: November 29, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Ki Kim, Jungjoon Park, Soonrewl Lee, Youngjoo Chae, Ickkyu Choi, Mingzi Hong, Soonkie Hong
  • Patent number: 11479223
    Abstract: A system for forming a negative pressure in a negative pressure reservoir of a brake system includes, an engine having an intake manifold and a camshaft, a vacuum pump connected to the camshaft through a clutch device and generating a pump negative pressure, a turbocharger having a compressor supplying a compressed air to the engine, a pump negative pressure line connecting the vacuum pump and the negative pressure reservoir and supplying the pump negative pressure to the negative pressure reservoir, an intake negative pressure line connecting the negative pressure reservoir and the intake manifold and supplying the intake negative pressure of the intake manifold to the negative pressure reservoir, and a negative pressure source selection apparatus configured to control opening and closing of the pump negative pressure line and the intake negative pressure line based on operation of the turbocharger.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: October 25, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Yongjun Choi, Euichul Choi, Young Ki Kim
  • Publication number: 20220319604
    Abstract: A semiconductor memory device includes a memory cell array, a row decoder, a plurality of page buffers, and a voltage switching circuit. The memory cell array includes a plurality of memory cells. The row decoder is connected to the memory cell array through word lines, The plurality of page buffers are connected to the memory cell array through bit lines. The voltage switching circuit decodes an operation voltage and transmits the decoded operation voltage to the row decoder. The plurality of page buffers are formed in a first under cell region among first and second under cell regions, the first and second under cell regions being adjacent to each other in a first direction under the memory cell array. At least a portion of the voltage switching circuit is formed in an under slim region that is adjacent to the first under cell region and the second under cell region in a second direction.
    Type: Application
    Filed: October 6, 2021
    Publication date: October 6, 2022
    Applicant: SK hynix Inc.
    Inventors: Seung Wan CHAE, Young Ki KIM, Jong Il LEE, Eun Woo JO
  • Publication number: 20220303341
    Abstract: A method by which a server controls plural devices includes receiving a trigger signal generated by a sensor in a home in response to a mobile device being present at a specific location in the home, determining devices corresponding to the specific location by using the trigger signal, receiving context information indicating a situation of a user from the mobile device, selecting context information related to operations of the determined devices from among the received context information by using keywords respectively related to the devices, each of the operations corresponding to each of the devices, and providing the selected context information to the devices respectively so that each of the devices performs the operations.
    Type: Application
    Filed: June 7, 2022
    Publication date: September 22, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-kwang UM, Young-ki KIM, Jeong-yi PARK, Hyun-cheol PARK, Dong-hun SHIN
  • Patent number: 11427106
    Abstract: A vehicle includes: a battery pack including a plurality of battery cells connected in parallel; and a controller configured to distribute a current load having a magnitude proportional to a state of health (SOH) of each of the plurality of battery cells to each of the plurality of battery cells, and to control the charging and discharging of each of the plurality of battery cells according to the magnitude of the distributed current load.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: August 30, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sung Un Kim, Cheon Maeng, Young Ki Kim, Jae Yong Lee, Sungjin Choi
  • Patent number: 11417875
    Abstract: A positive active material for a rechargeable lithium battery includes a nickel-based lithium transition metal oxide including a secondary particle in which a plurality of primary particles are agglomerated, wherein the secondary particle includes a core and a surface layer surrounding the core, and the surface layer includes a plurality of primary particles and a nano-sized cobalt-based lithium transition metal oxide absorbed in the surface layer, between the primary particles.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: August 16, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soonkie Hong, Young-Ki Kim, Jungjoon Park, Soonrewl Lee, Youngjoo Chae, Ickkyu Choi, Mingzi Hong
  • Publication number: 20220240708
    Abstract: The present disclosure relates to juice extractor comprising a cutting part for cutting a material for juice extraction beforehand by rotation above a screw, wherein the cutting part is formed in a dual structure of a core body and an outer shell covering the outer side of the core body with a material different from the core body.
    Type: Application
    Filed: October 14, 2020
    Publication date: August 4, 2022
    Inventors: Young Ki KIM, Soo Hee YEA, Sung Ha JUNG, Dae Il KIM, Sang Min AN, Chang Ho HAN, Jae Hong HAM, Seung Min YEO
  • Patent number: 11387216
    Abstract: A semiconductor memory device includes a plurality of first pads disposed in one surface of a memory chip which includes a memory cell array and a plurality of row lines coupled to the memory cell array, and coupled to the row lines, respectively; and a plurality of second pads disposed in one surface of a circuit chip which is boned to the one surface of the memory chip, coupled to pass transistors, respectively, of the circuit chip, and bonded to the first pads, respectively. The second pads are aligned with the pass transistors, with the same pitch as a pitch of the pass transistors.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: July 12, 2022
    Assignee: SK hynix Inc.
    Inventors: Jin Ho Kim, Young Ki Kim, Sang Hyun Sung, Sung Lae Oh, Byung Hyun Jun
  • Patent number: 11353330
    Abstract: A vehicle terminal may include: a communicator configured to perform communication with a personal mobility device; a processor configured to estimate a state of charge of a battery of the personal mobility device when a vehicle arrives at a set location based on whether the battery is being charged and to determine a travelable area of the personal mobility device based on the state of charge of the battery; and a display device operatively coupled to the processor, the display device configured to display the travelable area.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: June 7, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Sung Un Kim, Cheon Maeng, Young Ki Kim, Jae Yong Lee, Sung Jin Choi
  • Patent number: 11356512
    Abstract: A method by which a server controls a home device is provided. The method includes receiving a trigger signal generated by a sensor in a home in response to a mobile device being present at a specific location in the home, determining a home device corresponding to the specific location by using the trigger signal, selecting context information related to an operation of the determined home device from among context information received from the mobile device, and providing the selected context information to the home device.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-kwang Um, Young-ki Kim, Jeong-yi Park, Hyun-cheol Park, Dong-hun Shin
  • Patent number: 11315914
    Abstract: A semiconductor memory device includes: a first pad layer in a surface of a memory chip including a cell region in which a memory cell array coupled to a plurality of row lines and a step region including staggered step portions of the plurality of row lines, and including a plurality of first pads that are coupled to the step portions; a second pad layer in a surface of a circuit chip bonded to the surface of the memory chip, and having a plurality of second pads coupled to a plurality of pass transistors defined in the circuit chip; a first redistribution line disposed in the first pad layer that couples one of the step portions and one of the pass transistors; and a second redistribution line disposed in the second pad layer that couples another one of the step portions and another one of the pass transistors.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: April 26, 2022
    Assignee: SK hynix Inc.
    Inventors: Sang Hyun Sung, Young Ki Kim, Jin Ho Kim, Byung Hyun Jun
  • Publication number: 20220085429
    Abstract: Disclosed are a battery cell assembly for a secondary battery, the battery cell assembly for a secondary battery comprising: at least one battery cell; and a first frame disposed on one side of the at least one battery cell; and a second frame which is disposed on the other side of the at least one battery cell so as to face the first frame and which is coupled to the first frame so as to protect the edge of the at least one battery cell together with the first frame. The present invention uses a frame type cell support which retains and supports at least one battery cell without separation, thereby providing a battery cell assembly for a secondary battery, namely a sub-battery module receiving body, having improved structural stability and assembly convenience, and a secondary battery comprising the same.
    Type: Application
    Filed: November 23, 2021
    Publication date: March 17, 2022
    Inventors: Tae Gu LEE, O Sung KWON, Gyu Jin CHUNG, Young Ki KIM
  • Publication number: 20220077172
    Abstract: A memory device includes a substrate defined with a first cell region and a second cell region, and a row decoder region between the first and second cell regions; a peripheral circuit defined in the first and second cell regions of the substrate; pass transistors defined in the row decoder region of the substrate; bottom wiring layers disposed in a first dielectric layer covering the peripheral circuit and the pass transistors; a memory cell array defined on the first dielectric layer; a second dielectric layer defined on the first dielectric layer, and covering the memory cell array; top wiring layers disposed in a third dielectric layer defined on the second dielectric layer; and global lines disposed in the row decoder region, and configured to transfer operating voltages to the pass transistors, wherein the global lines are disposed only in at least one bottom wiring layer from among the bottom and top wiring layers.
    Type: Application
    Filed: February 2, 2021
    Publication date: March 10, 2022
    Inventors: Jin Ho KIM, Young Ki KIM, Sang Hyun SUNG, Sung Lae OH, Byung Hyun JEON
  • Publication number: 20220077530
    Abstract: The present invention provides a battery module which includes: a battery stack formed by stacking a plurality of battery cells on each other, each of which includes electrode tabs; a first case unit including a bottom section which surrounds one side of the battery stack and a pair of first sidewalls located on both sides of the battery stack in a direction in which battery cells are stacked; and a second case unit including a top section which surrounds the other side of the battery stack and a pair of second sidewalls located on both sides of the battery stack in the direction in which battery cells are stacked, wherein the first sidewall and the second sidewall are located on both sides of the battery stack in the direction in which battery cells are stacked, in a state in which at least portions thereof are overlapped with each other.
    Type: Application
    Filed: November 16, 2021
    Publication date: March 10, 2022
    Inventors: Young Ki KIM, Ju Yong PARK
  • Patent number: 11271202
    Abstract: A positive active material for use in a positive electrode and a rechargeable lithium battery includes a lithium cobalt oxide including a secondary particle having an average particle diameter of about 15 ?m to about 25 ?m, wherein the secondary particle includes a plurality of primary particles having an average particle diameter of about 2 ?m to about 10 ?m, and the positive active material has a pellet density of greater than or equal to about 3.80 g/cm3. A method of manufacturing the positive active material includes heat-treating a cobalt-containing compound at a temperature of greater than or equal to about 900° C. to form a cobalt oxide comprising Co3O4 and CoO, and reacting the cobalt oxide with a lithium compound to prepare the lithium cobalt oxide.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: March 8, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soonkie Hong, Young-Ki Kim, Soonrewl Lee, Young-Hun Lee, Jiyeon Jang, Ickkyu Choi, Mingzi Hong
  • Publication number: 20220038511
    Abstract: A contents sharing network is provided. An operating method of a control device includes determining a current state of possible states in a contents sharing process over a network; and displaying an icon indicating the current state among a plurality of predefined icons. The states are defined as a combination of at least one item of network connection, device discovery, a type of the discovered device, the number of the discovered devices, and existence of an available additional service.
    Type: Application
    Filed: October 18, 2021
    Publication date: February 3, 2022
    Inventors: Sang-Tae NA, Jin-Wook LEE, Young-Ki KIM, Chul-Seung KIM
  • Patent number: 11196105
    Abstract: Disclosed are a battery cell assembly for a secondary battery, the battery cell assembly for a secondary battery including at least one battery cell; a first frame disposed on one side of the at least one battery cell; and a second frame which is disposed on the other side of the at least one battery cell so as to face the first frame and which is coupled to the first frame so as to protect the edge of the at least one battery cell together with the first frame. The present invention uses a frame type cell support which retains and supports at least one battery cell without separation, thereby providing a battery cell assembly for a secondary battery, namely a sub-battery module receiving body, having improved structural stability and assembly convenience, and a secondary battery including the same.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: December 7, 2021
    Assignee: SK Innovation Co., Ltd.
    Inventors: Tae Gu Lee, O Sung Kwon, Gyu Jin Chung, Young Ki Kim