Patents by Inventor In Hwan Choi

In Hwan 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).

  • MEMORY DEVICE AND OPERATING METHOD OF THE MEMORY DEVICE
    Publication number: 20240145008
    Abstract: A memory device, and an operating method of the memory device, includes a plurality of memory cells connected between word lines and bit lines and a voltage generator for generating a program voltage or a pass voltage, which is applied to the word lines. The memory device also includes a page buffer group for applying program allow voltages or a program inhibit voltage to the bit lines and a control circuit for controlling the voltage generator and the page buffer group in response to a command. In a program operation of selected memory cells connected to a selected word line among the word lines, the control circuit controls the page buffer group such that the program allow voltages are increased stepwise according to a number of program loops performed on the selected memory cells.
    Type: Application
    Filed: April 20, 2023
    Publication date: May 2, 2024
    Applicant: SK hynix Inc.
    Inventor: Young Hwan CHOI
  • LEAKAGE CURRENT DETECTION CIRCUIT
    Publication number: 20240125848
    Abstract: A leakage current detection circuit includes: a mirror circuit configured to copy a leakage current flowing through a node and generate a copy current in a copy node; an oscillation circuit including a charge storage unit, the oscillation circuit being connected to the copy node, charged with the copy current, and configured to generate an oscillation signal by charging and discharging the charge storage unit; and a calculation circuit configured to calculate an amount of the leakage current based on the oscillation signal.
    Type: Application
    Filed: March 1, 2023
    Publication date: April 18, 2024
    Applicant: SK hynix Inc.
    Inventors: Jong Seok JUNG, Chan Keun KWON, Kyeong Hwan PARK, Young Kwan LEE, Suk Hwan CHOI
  • STORAGE DEVICE
    Publication number: 20240126642
    Abstract: A storage device includes a memory device and a controller. The memory device includes a memory region configured by a plurality of memory cells. The controller is configured to set at least one prohibited threshold voltage distribution for the memory region based on a result of an operation on the memory region.
    Type: Application
    Filed: July 3, 2023
    Publication date: April 18, 2024
    Applicant: SK hynix Inc.
    Inventors: Suk Hwan CHOI, Dong Hun KWAK
  • TEST CIRCUIT AND SEMICONDUCTOR APPARATUS INCLUDING THE SAME
    Publication number: 20240120014
    Abstract: The present technology may include: a current mirror configured to apply a test current that is generated by a test voltage to a selected word line, among a plurality of word lines, and to generate a copy current by copying the test current; a comparison circuit configured to compare at least one reference current with the copy current to generate a comparison result signal; and a test control circuit configured to perform a first noise control mode that charges unselected word lines, among the plurality of word lines, with electric charges, in response to a test mode signal and floats the unselected word lines.
    Type: Application
    Filed: January 24, 2023
    Publication date: April 11, 2024
    Applicant: SK hynix Inc.
    Inventor: Suk Hwan CHOI
  • NOVEL BENZOTRIAZOLE DERIVATIVE HAVING INHIBITORY ACTIVITY AGAINST ECTONUCLEOTIDE PYROPHOSPHATASE-PHOSPHODIESTERASE, AND USE THEREOF
    Publication number: 20240116882
    Abstract: The present invention relates to a novel benzotriazole derivative compound, a tautomer thereof, a pharmaceutically acceptable salt thereof, a hydrate thereof, or a stereoisomer thereof, which are related to a compound for inhibiting ENPP1, a composition for inhibiting ENPP1, and a method for inhibiting ENPP1.
    Type: Application
    Filed: January 28, 2022
    Publication date: April 11, 2024
    Applicant: TXINNO BIOSCIENCE INC.
    Inventors: Chan Sun Park, Sung Joon Kim, Ali Imran, Yoo Jin Na, So Ra Paik, Jung Hwan Choi, Sun Woo Lee, Yong Yea Park, Ah Ran Yu, Sun Young Park
  • Artificial cornea with double-side microtextured pHEMA hydrogel
    Patent number: 11950997
    Abstract: An artificial cornea and an associated manufacturing method are disclosed. The artificial cornea has two sides, each of which has an associated microstructure. In an embodiment, microlines can be provided on an anterior side, and a posterior side can have micropores. Both the geometry of the microstructures and their dimensions can be customized for an individual patient. The geometry of the artificial cornea itself and its dimensions can also be customized as such. In addition, the lifetime of the artificial cornea can be significantly enhanced by adding co-polymer(s) into the hydrogel to strengthen its mechanical properties. Patient recovery can be aided by adding peptides into the artificial cornea surfaces to improve cell growth post-operation.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: April 9, 2024
    Assignee: The Trustees of the Stevens Institute of Technology
    Inventors: Yiwen Xi, Chang-Hwan Choi, Xiaojun Yu, Junfeng Liang
  • Electrode slurry-discharging shim allowing even coating, and coating die comprising same
    Patent number: 11951508
    Abstract: The present technology relates to an electrode slurry-discharging shim, and a coating die comprising same, the present technology allowing superbly even coating to be assured even when the electrode slurry coating is at a high load level. In one example, the present technology provides a coating shim for electrode slurry discharge according to the present invention having a step portion configured to be formed at an end of an electrode slurry discharge flow path and to increase a width of the discharge flow path, and the step portion is formed at opposite sides in a width direction of the electrode slurry discharge flow path.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: April 9, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jong Hwan Choi, In Seong Kim, Min Cheol Choi
  • CARBON MONOXIDE LEAK ALERTING DEVICE AND METHOD
    Publication number: 20240110727
    Abstract: Provided is a carbon monoxide (CO) leak alerting device and method, and more specifically, a CO leak alerting device and method, whereby, by operating on the basis of the Internet of Things (IoT), a CO leak caused by damage to a boiler flue is detected, an alert is issued through two or more among the CO leak alerting device, a boiler controller and a wall pad, boiler ventilation and indoor air ventilation are automatically carried out when the leak is determined to have occurred, and authorities relevant to the CO leak, and a user are directly notified of the CO leak.
    Type: Application
    Filed: October 30, 2020
    Publication date: April 4, 2024
    Inventors: Young-Hwan CHOI, Sung-An HA, Jung-Jae JANG
  • SYSTEM AND METHOD FOR DISCHARGING CARBON MONOXIDE BY USING CARBON MONOXIDE LEAKAGE ALARM DEVICE
    Publication number: 20240105044
    Abstract: The present disclosure relates to a system and a method for discharging carbon monoxide (CO) by using a CO leakage alarm device and, more specifically, to a system and a method for discharging CO by using a CO leakage alarm device, the system and the method being operated on the basis of the Internet of things (IoT) so as to: detect CO leakage caused by damage to a boiler flue and sound an alarm through at least two from among the CO leakage alarm device, a boiler controller, a wall pad, and the like, automatically perform boiler ventilation and indoor air ventilation when the leakage is determined; and directly notify CO leakage-related authorities and users about the CO leakage.
    Type: Application
    Filed: October 13, 2020
    Publication date: March 28, 2024
    Inventors: Young-Hwan CHOI, Sung-An HA, Jung-Jae JANG
  • Display device including module support and method for manufacturing module support
    Patent number: 11940849
    Abstract: A display device includes a display module, a module support disposed below the display module, and a housing which receives the display module and the module support. The module support includes: a support layer disposed below the display module, and a plurality of support bars disposed in the support layer and having a modulus greater than a modulus of the support layer.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Hwan Choi, Hayk Khachatryan, Hyunwoo Koo, Dongwon Choi, Taewoong Kim
  • Method for fabricating a semiconductor device
    Patent number: 11942553
    Abstract: The semiconductor device includes a substrate, a stack structure including gate patterns and interlayer insulating films that are alternately stacked on the substrate, an insulating pillar extending in a thickness direction of the substrate within the stack structure, a polycrystalline metal oxide film extending along a sidewall of the insulating pillar between the insulating pillar and the stack structure, a liner film having a transition metal between the insulating pillar and the polycrystalline metal oxide film, and a tunnel insulating film, a charge storage film, and a blocking insulating film which are disposed in order between the polycrystalline metal oxide film and the gate patterns.
    Type: Grant
    Filed: December 17, 2020
    Date of Patent: March 26, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Kyeong Jeong, Yun Heub Song, Chang Hwan Choi, Hyeon Joo Seul
  • DATA MANAGEMENT SYSTEM USING DOCKER SYSTEM IN EDGE COMPUTING ENVIRONMENT AND METHOD THEREOF
    Publication number: 20240098001
    Abstract: The present disclosure relates to a data management system and method and, more particularly, to a data management system and method using a docker system in an edge computing environment, the system and method collecting and managing data for each of control operation targets and each of characteristic of the control operation targets using a docker system in an edge computing-cloud computing linkage environment, and enabling an edge server to stably operate in accordance with the characteristics of the control operation targets even though communication between the edge server of an edge computing environment and a cloud server is impossible.
    Type: Application
    Filed: September 12, 2023
    Publication date: March 21, 2024
    Applicant: Kevinlab Co.
    Inventors: Kyung Hak KIM, Sung Hwan CHOI
  • Electronic device
    Patent number: 11937384
    Abstract: An electronic device includes a display module including a display unit and a hinge unit coupled to the display unit and configured to be rolled with the display unit, the display unit including a display panel, a flexible circuit board connected to the display panel, and a main circuit board connected to the flexible circuit board, a housing including sidewall portions each extending in a first direction, in which at least one of the sidewall portions includes an accommodation groove to which the main circuit board is inserted, and the sidewall portions are deformable between a closed state of surrounding the display module and an opened state of exposing at least a portion of the display module outside of the housing.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jonghwa Lee, Beomjin Kim, Dongwon Choi, Jin Hwan Choi, Taewoong Kim
  • Polyamide block copolymer and polyamide film including the same
    Patent number: 11926702
    Abstract: The present disclosure relates to a polyamide block copolymer and a polyamide film including the same. The polyamide block copolymer according to the present disclosure makes it possible to provide a polyamide film exhibiting excellent mechanical properties while being colorless and transparent.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: March 12, 2024
    Assignee: LG CHEM, LTD.
    Inventors: Bi Oh Ryu, Soonyong Park, Youngseok Park, Kwanyeol Paek, Young Ji Tae, Il Hwan Choi
  • DATA RECEIVING DEVICE
    Publication number: 20240080228
    Abstract: A data receiving device may include a dummy stage block. The dummy stage block may include m dummy stages, wherein m is a natural number greater than or equal to two. Each of the m dummy stages may be configured to remove inter-symbol interference (ISI) from a dummy input signal using dummy coefficient information to generate a dummy output signal free of the ISI. Each of the m dummy stages may be further configured to output the dummy output signal. A normal stage block may include n normal stages, wherein n is a natural number greater than or equal to two. Each of the n normal stages may be configured to remove ISI from an input signal using coefficient information to generate an output signal free of the ISI and may be further configured to output the output signal.
    Type: Application
    Filed: April 13, 2023
    Publication date: March 7, 2024
    Inventors: Jin Ook JUNG, Jae Woo PARK, Myoung Bo KWAK, Young Min KU, Kyoung Jun ROH, Jung Hwan CHOI
  • ROLLABLE DISPLAY DEVICE AND A METHOD OF MANUFACTURING THE SAME
    Publication number: 20240074074
    Abstract: A rollable display device including: a support module; a display module disposed on the support module and including a display area and a non-display area adjacent to the display area; and a resin layer disposed between the support module and the display module, the display module including a display panel including a plurality of pixels, the support module including: a plurality of support bars extending in a first direction and arranged in a second direction crossing the first direction, wherein the support bars are spaced apart from each other; and a plurality of hinges disposed between the support bars and coupled with the support bars disposed adjacent thereto, and wherein each of the support bars is rotatably coupled with the hinges with respect to a driving axis extending in the first direction and the driving axis penetrates the display panel when viewed in a cross-section.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 29, 2024
    Inventors: Jin Hwan CHOI, Beomjin KIM, Jonghwa LEE, Dongwon CHOI, Taewoong KIM
  • RIS WITH LC
    Publication number: 20240072451
    Abstract: There is provided an RIS with LC. According to an embodiment, an RIS includes: a plurality of RIS elements; and an RIS controller configured to control the RIS elements to steer an RF signal entering, and the RIS element includes: a first substrate; a second substrate; an antenna disposed between the first substrate and the second substrate; a ground disposed between the first substrate and the second substrate; and an LC phase shifter disposed between the antenna and the ground to change a phase of the RF signal entering. Accordingly, a phase shifter for changing a phase of an RF signal entering is implemented by using LC, so that an RIS may be implemented on a transparent window without obstructing light or a field of vision, and also, an outdoor reflect mode and an indoor transmit mode may be supported by one RIS.
    Type: Application
    Filed: April 17, 2023
    Publication date: February 29, 2024
    Inventors: Seung Goo NAM, Se Hwan CHOI
  • Systems and methods for ultrasound scanning
    Patent number: 11911220
    Abstract: A system includes a number of transducers configured to transmit ultrasound signals directed to a target blood vessel and receive echo information associated with the transmitted ultrasound signals. The system also includes a processing device configured to process the echo information, generate ultrasound images of the blood vessel at a number of locations and generate an estimated diameter of the blood vessel at the locations. The processing device is also configured to output image information associated with the blood vessel and output a maximum estimated diameter of the blood vessel or the estimated diameters at the number of locations based on the image information.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: February 27, 2024
    Assignee: Verathon Inc.
    Inventors: Monali Padwal, Joon Hwan Choi, Nasser Saber, Fuxing Yang
  • Battery mounting structure for vehicle
    Patent number: 11912120
    Abstract: A battery mounting structure for a vehicle is provided to include a case having a first internal member that is disposed to be spaced parallel to an upper side of a lower panel of the case and a second internal member that is disposed perpendicular to the first internal member, and configured to accommodate a plurality of battery modules therein using the first internal member and the second internal member. An outer side member is provided in a shape protruding toward the outside on an outer side of the case. The battery modules are disposed in a stacking direction of battery cells that is parallel to a longitudinal direction of the first internal member.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: February 27, 2024
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Yong Hwan Choi, Yu Ri Oh, Tae Hyuck Kim, Gyung Hoon Shin, Hae Kyu Lim, Ji Woong Jung
  • WIRE ROD AND PART WITH IMPROVED DELAYED FRACTURE RESISTANCE, AND METHODS FOR MANUFACTURING SAME
    Publication number: 20240060162
    Abstract: Disclosed are wire rods and parts with improved delayed fracture resistance, and methods for manufacturing the same. The wire rod with improved delayed fracture resistance according to the present disclosure contains, by wt %, 0.15-0.30% of C, 0.15-0.25% of Si, 0.95-1.35% of Mn, 0.030% or less of P, 0.030% or less of S, 0.015-0.030% of Ti, 0.0010-0.0040% of B, 0.0010-0.0080% of N, and Fe and inevitable impurities as the balance, and satisfies formula 1 of 2.0?5.5×[Si]+[Mn]?2.4, where [Si] and [Mn] represent the contents (wt %) of the corresponding elements.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 22, 2024
    Applicant: POSCO CO., LTD
    Inventors: Youngsoo CHUN, Sang-yoon LEE, Seok-hwan CHOI, Myungsoo CHOI