Patents by Inventor Tae Jin Choi

Tae Jin Choi 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: 20240154990
    Abstract: A device for automatically sorting a cyber attack includes an event feature generator that extracts a unique attacker IP by analyzing attacker IPs for each of the different kinds of security devices, and generates AI learning features of the security events of the different kinds of security devices including feature numerical data quantifying at least two or more features through attack information analysis recorded in the different kinds of security devices based on the information on the security events of the different kinds of security devices mapped to the extracted unique attacker IP, and an attack type sorter that learns the generated feature numerical data using an unsupervised learning algorithm, generates clustering data by sorting the feature numerical data into similar attack data and clustering sorted feature numerical data, and then analyzes the generated clustering data to identify a short-term or long-term attacker's cyber attack type.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 9, 2024
    Applicant: Korea Internet & Security Agency
    Inventors: Do Won KIM, Tae Eun KIM, Ki Jong SON, Sae Woom LEE, Seul Ki CHOI, Tae Hyeon KIM, Gyeong Jin NA
  • Publication number: 20240152604
    Abstract: Disclosed are a system and method for automatically generating a playbook and verifying validity of a playbook based on artificial intelligence, wherein the system present invention includes a system for automatically generating a playbook that automatically generates the playbook, and a system for verifying validity of a playbook that is connected to the system for automatically generating a playbook through a network to perform the verification of the validity on the playbook received from the system for automatically generating a playbook.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 9, 2024
    Applicant: Korea Internet & Security Agency
    Inventors: Do Won KIM, Tae Eun KIM, Ki Jong SON, Sae Woom LEE, Seul Ki CHOI, Tae Hyeon KIM, Gyeong Jin NA
  • Publication number: 20240152608
    Abstract: A method of supporting decision-making of security control includes: (a) when an system for automatically analyzing a security threat receives a security warning from a security device, collecting security threat events generating the security warning from the security device; (b) when the collected security threat events exceed a preset event processing threshold, generating, by the system for automatically analyzing a security threat, a first request message for preferentially processing a security event; (c) when receiving the first request message generated from the system, determining, by the system for supporting priority of security control, a priority processing order of the security threat events, and notifying the system; and (d) when receiving the second request message generated from the system, determining, by the system for supporting priority of security control, a priority processing order and notifying the system for automatically analyzing a security threat of the determined priority process
    Type: Application
    Filed: October 31, 2023
    Publication date: May 9, 2024
    Applicant: Korea Internet & Security Agency
    Inventors: Do Won KIM, Tae Eun KIM, Ki Jong SON, Sae Woom LEE, Seul Ki CHOI, Tae Hyeon KIM, Gyeong Jin NA
  • Patent number: 11970749
    Abstract: Provided is a method of manufacturing a hot rolled steel sheet having excellent formability and fatigue properties, including: preparing a slab including, by weight %, 0.3 to 0.8% of carbon C, 13 to 25% of manganese (Mn), 0.1 to 1.0% of vanadium (V), 0.005 to 2.0% of silicon (Si), 0.01 to 2.5% of aluminum (Al), 0.03% or less of phosphorus (P), 0.03% or less of sulfur (S), 0.04% or less (excluding 0%) of nitrogen (N), and a remainder of iron (Fe) and inevitable impurities; heating the slab to 1050 to 1250° C.; finish rolling, the slab heated in the heating, at a temperature of not lower than a recrystallization temperature of a region having an average V concentration and not higher than a recrystallization temperature of a region having twice the average V concentration, to obtain a hot rolled steel sheet; and coiling the hot-rolled steel sheet at 50 to 700° C.
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: April 30, 2024
    Assignee: POSCO CO., LTD
    Inventors: Tae-Jin Song, Jeong-Eun Kim, Chang-Sik Choi
  • Patent number: 11960319
    Abstract: A memory device is provided. The memory device comprises an internal clock generator configured to receive an external clock signal from a host and generate an internal clock signal in accordance with a chip enable signal, an internal enable signal generator configured to operate based on the internal clock signal and receive an external enable signal from the host and generate an internal enable signal, and a monitoring signal generator configured to output a monitoring signal that is generated based on at least one of the internal clock signal or the internal enable signal to the host.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: April 16, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae Min Choi, Chan Ho Lee, Jung Hak Song, Ju Chang Lee, Woo Jin Jung
  • Publication number: 20240119949
    Abstract: An encoding/decoding apparatus and method for controlling a channel signal is disclosed, wherein the encoding apparatus may include an encoder to encode an object signal, a channel signal, and rendering information for the channel signal, and a bit stream generator to generate, as a bit stream, the encoded object signal, the encoded channel signal, and the encoded rendering information for the channel signal.
    Type: Application
    Filed: November 30, 2023
    Publication date: April 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jeong Il SEO, Seung Kwon BEACK, Dae Young JANG, Kyeong Ok KANG, Tae Jin PARK, Yong Ju LEE, Keun Woo CHOI, Jin Woong KIM
  • Patent number: 11930858
    Abstract: An aerosol generating device according to an aspect comprises a main body that comprises a battery and a controller, a cartridge which is coupled to the main body and comprises a liquid storage that contains liquid composition and an atomization portion that generates an aerosol by heating the liquid composition contained in the liquid storage, and a cover that forms an inner space by being coupled to the main body such that the cartridge is arranged in the inner space, wherein the main body further comprises a light source that emits light toward an inside of the liquid storage, and the cover comprises a window hole through which light entitled from the light source toward the inside of the liquid storage is transmitted to the outside of the cover.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: March 19, 2024
    Assignee: KT&G CORPORATION
    Inventors: Hun Il Lim, Tae Hun Kim, Hyung Jin Jung, Jae Sung Choi, Jung Ho Han
  • Publication number: 20240086603
    Abstract: A method of reinforcement learning of a neural network device for generating a verification vector for verifying a circuit design comprising a circuit block includes inputting a test vector to the circuit block, generating one or more rewards based on a coverage corresponding to the test vector, the coverage being determined based on a state transition of the circuit block based on the test vector, and applying the one or more rewards to a reinforcement learning.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Applicant: SAMSUNG ELECTRONICS CO, LTD.
    Inventors: In HUH, Jeong-hoon KO, Hyo-jin CHOI, Seung-ju KIM, Chang-wook JEONG, Joon-wan CHAI, Kwang-II PARK, Youn-sik PARK, Hyun-sun PARK, Young-min OH, Jun-haeng LEE, Tae-ho LEE
  • Patent number: 11925547
    Abstract: The present invention relates to a coating composition for an in-vivo implantable prosthesis including a photoinitiator, a crosslinking agent, and a phosphorylcholine (pc) monomer having an acrylate group, a method of coating an in-vivo implantable prosthesis using the coating composition, and a cosmetic prosthesis coated with the crosslinked polyphosphorylcholine. An in-vivo implantable prosthesis coated with crosslinked polyphosphorylcholine may be manufactured by a simple method of applying a coating composition including a photoinitiator, a crosslinking agent, and a phosphorylcholine (pc) monomer having an acrylate group according to the present invention, and then irradiating uv rays. The crosslinked polyphosphorylcholine coating may provide hydrophilicity for the surface and may also remarkably reduce adsorption of proteins and fibroblasts, which may cause side effects such as capsular contracture.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: March 12, 2024
    Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Tae Hyun Choi, Yan Lee, Ji Ung Park, Ji Yeon Ham, Hee Jin Kim, Suk Wha Kim, Hye Jeong Min
  • Patent number: 11921301
    Abstract: The present embodiment relates to a dual lens drive device that comprises: a housing; a first bobbin which is disposed to move in a first direction inside the housing; a second bobbin which is disposed to move in the first direction inside housing and is spaced apart from the first bobbin; a first coil which is disposed on the first bobbin; a second coil which is disposed on the second bobbin; a magnet which is disposed in the housing and faces the first coil and the second coil; a base which is disposed below the housing; a substrate which comprises a circuit member having a third coil disposed to face the magnet between the housing and the base; and a support member which movably supports the housing with respect to the substrate, wherein the housing is integrally formed.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: March 5, 2024
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Kap Jin Lee, Yong Nam Choi, Do Yoon Kim, Min Soo Kim, Jung Hwan Kim, Tae Young Kim
  • Publication number: 20240066564
    Abstract: Proposed are a substrate processing apparatus and a substrate processing method capable of efficiently preventing contamination of a substrate and a processing space caused by a reverse flow of purge gas.
    Type: Application
    Filed: March 27, 2023
    Publication date: February 29, 2024
    Applicant: SEMES CO., LTD.
    Inventors: Do Hyung KIM, Dae Hun KIM, Young Jin KIM, Tae Ho KANG, Young Joon HAN, Eun Hyeok CHOI, Jun Gwon LEE
  • Patent number: 11915762
    Abstract: A memory device includes a controller that performs a program verification after a first program pulse is applied to the at least one non-volatile memory cell. The first program pulse is applied during a data program operation and the data program operation includes applying program pulses to program multi-bit data to the at least one non-volatile memory cell. The controller also determines a program mode for the at least one non-volatile memory cell based on a result of the program verification, and changes at least one of a level of a first control voltage based on the program mode. The first control voltage is applied to a drain select line coupled to the at least one non-volatile memory cell.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: February 27, 2024
    Assignee: SK hynix Inc.
    Inventors: Tae Hun Park, Dong Hun Kwak, Hyung Jin Choi
  • Publication number: 20240057438
    Abstract: A sensor-embedded display panel includes a light emitting element on a substrate and including a light emitting layer, and a photosensor on the substrate and including a photosensitive layer extending at least partially in parallel with the light emitting layer along an in-plane direction of the substrate. The light emitting element and the photosensor include separate, respective portions of each of first and second common auxiliary layers each extending continuously as a single piece of material under and on, respectively, each of the light emitting layer and the photosensitive layer. The photosensitive layer may include a light absorbing semiconductor having a HOMO energy level having a difference of less than about 1.0 eV from a HOMO energy level of the first common auxiliary layer and a LUMO energy level having a difference of less than about 1.0 eV from a LUMO energy level of the second common auxiliary layer.
    Type: Application
    Filed: May 15, 2023
    Publication date: February 15, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyeong-Ju KIM, Chul Joon Heo, Kyung Bae Park, Feifei Fang, Hwijoung Seo, Hiromasa Shibuya, Sungyoung Yun, Tae Jin Choi, Hyerim Hong
  • Publication number: 20240040810
    Abstract: A sensor-embedded display panel includes a light emitting element on a substrate and including a light emitting layer, and a photosensor including a photosensitive layer on the substrate and arranged in parallel with the light emitting layer along an in-plane direction of the substrate such that the photosensor and the light emitting layer at least partially overlap in the in-plane direction, wherein the light emitting element and the photosensor further include separate, respective portions of a first common auxiliary layer disposed under each of the light emitting layer and the photosensitive layer and connected to each other to be a single piece of material extending continuously between the light emitting element and the photosensor, and the photosensitive layer includes a first semiconductor represented by Chemical Formula 1 and a second semiconductor not including any fullerenes and forming a pn junction with the first semiconductor.
    Type: Application
    Filed: November 4, 2022
    Publication date: February 1, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sungyoung YUN, Kyung Bae PARK, Feifei FANG, Hwijoung SEO, Hiromasa SHIBUYA, Younhee LIM, Tae Jin CHOI, Chul Joon HEO
  • Publication number: 20230309366
    Abstract: Disclosed are a compound represented by Chemical Formula 1, a sensor including the compound, a sensor-embedded display panel, and an electronic device. In Chemical Formula 1, X1, A, and R1 to R5 are as described in the specification.
    Type: Application
    Filed: November 3, 2022
    Publication date: September 28, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Tae Jin CHOI, Hyerim HONG, Kyung Bae PARK, Feifei FANG, Sungyoung YUN, Chul Joon HEO
  • Patent number: 11086772
    Abstract: Provided is an operating method of a memory system including a plurality of logical address groups each having a preset logical address range. The operation method may include: selecting a victim block; selecting a plurality of target blocks among empty blocks; mapping at least one logical address group of the logical address groups to each of the target blocks; determining a first logical address group including a logical address of first valid data stored in the victim block, among the logical address groups; and backing up the first valid data into a first target block mapped to the first logical address group among the target blocks.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: August 10, 2021
    Assignee: SK hynix Inc.
    Inventors: Yong Jin, Du Yeong Roh, Dong Ju Lee, Tae Jin Choi
  • Patent number: 11066382
    Abstract: The present disclosure relates to a novel compound, and an organic electroluminescent device including the same, and by using the compound according to the present disclosure in an organic material layer, preferably a light emitting layer or an auxiliary light emitting layer, of an organic electroluminescent device, light emission efficiency, a driving voltage, a lifetime and the like of the organic electroluminescent device may be enhanced.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: July 20, 2021
    Assignee: SOLUS ADVANCED MATERIALS CO., LTD.
    Inventors: Tae Jin Choi, Jae Hoon Lee, Young Bae Kim
  • Patent number: 10756277
    Abstract: The present disclosure relates to a novel organic compound and an organic electroluminescent device comprising the same, and the organic compound of the present disclosure may be used for an organic material layer of the organic electroluminescent device, thereby improving the light emitting efficiency, driving voltage, lifetime, and the like of the organic electroluminescent device.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: August 25, 2020
    Assignee: DOOSAN SOLUS CO., LTD.
    Inventors: Tae Jin Choi, Ho-Cheol Park, Youngmi Beak, Eunjin Kim
  • Publication number: 20200231580
    Abstract: The present invention relate to a novel organic compound and an organic electroluminescent device including the same, and in particular, to a novel dibenzofuran-based compound having excellent thermal stability, carrier transport ability, light emitting ability and the like, and an organic electroluminescent device having low driving voltage, and enhanced luminous efficiency, lifetime properties and the like by including the novel dibenzofuran-based compound as a material of one or more organic material layers.
    Type: Application
    Filed: July 9, 2018
    Publication date: July 23, 2020
    Applicant: DOOSAN CORPORATION
    Inventor: Tae Jin CHOI
  • Publication number: 20200089603
    Abstract: Provided is an operating method of a memory system including a plurality of logical address groups each having a preset logical address range. The operation method may include: selecting a victim block; selecting a plurality of target blocks among empty blocks; mapping at least one logical address group of the logical address groups to each of the target blocks; determining a first logical address group including a logical address of first valid data stored in the victim block, among the logical address groups; and backing up the first valid data into a first target block mapped to the first logical address group among the target blocks.
    Type: Application
    Filed: December 19, 2018
    Publication date: March 19, 2020
    Inventors: Yong JIN, Du Yeong ROH, Dong Ju LEE, Tae Jin CHOI