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).

  • YTTRIUM/LANTHANIDE METAL PRECURSOR COMPOUND, COMPOSITION FOR FORMING FILM INCLUDING THE SAME, AND METHOD OF FORMING YTTRIUM/LANTHANIDE METAL CONTAINING FILM USING THE SAME
    Publication number: 20220325411
    Abstract: The present disclosure relates to an yttrium/lanthanide metal precursor compound, a precursor composition for depositing an yttrium/lanthanide metal-containing film including the yttrium/lanthanide metal precursor compound, and a method of depositing the yttrium/lanthanide metal-containing film using the precursor composition.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 13, 2022
    Inventors: Jin Sik KIM, Myeong-Ho PARK, Dong Hwan MA, Yun Gyeong YI, Jun Hwan CHOI
  • WAVY SMOKE TUBE STRUCTURE OF BOILER
    Publication number: 20220316759
    Abstract: The present disclosure relates to a wavy smoke tube structure of a boiler, which improves heat exchange efficiency of a smoke tube. The wavy smoke tube structure includes: a main body formed in a columnar shape and having a space therein; a plurality of first concave portions concavely formed along a first side portion in a longitudinal direction of the main body; a plurality of second concave portions concavely formed along a second side portion in the longitudinal direction of the main body opposite to the first side portion and each positioned between a pair of the first concave portions to face them; and a plurality of blocking grooves formed in a pair of sidewall portions provided between the first side portion and the second side portion.
    Type: Application
    Filed: May 15, 2020
    Publication date: October 6, 2022
    Inventor: Sung-Hwan CHOI
  • LASER PROCESSING SYSTEM AND METHOD THEREOF
    Publication number: 20220314364
    Abstract: A laser processing system according to an embodiment of the present invention includes: a laser unit emitting a laser beam; an optical unit disposed on a propagation path of the laser beam and modulating the incident laser beam into a Bessel beam; a stage on which a workpiece to be processed with the Bessel beam emitted from the optical unit is mounted; and a control unit for controlling the operations of the laser unit, the optical unit, and the stage, wherein the optical unit is configured to position the focus line of the emitted Bessel beam on the workpiece and to move the focus line positioned on the workpiece with a predetermined range.
    Type: Application
    Filed: April 6, 2021
    Publication date: October 6, 2022
    Inventors: Sangwon SHIM, Doyeoun HWANG, Yu Jin NAM, Sang-gil RYU, Sungju YU, Min Hwan CHOI
  • Memory device and memory system
    Patent number: 11461176
    Abstract: A memory device includes a multiphase clock generator which generates a plurality of divided clock signals, a first error correction block which receives a first divided clock signal among the plurality of divided clock signals, a first data multiplexer which transmits first least significant bit data corresponding to the first divided clock signal, a second error correction block which receives the first divided clock signal, and a second data multiplexer which transmits first most significant bit data corresponding to the first divided clock signal. The first error correction block receives the first least significant bit data and corrects a toggle timing of the first least significant bit data. The second error correction block receives the first most significant bit data and corrects a toggle time of the first most significant bit data.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: October 4, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun Young Park, Young-Hoon Son, Hyun-Yoon Cho, Young Don Choi, Jung Hwan Choi
  • Semiconductor memory device and operating method thereof
    Patent number: 11462276
    Abstract: Provided herein may be a semiconductor memory device. The semiconductor memory device may include a memory cell array, a peripheral circuit, and control logic. The memory cell array includes a plurality of memory cells. The peripheral circuit performs a read operation on the memory cells. The control logic controls the read operation of the peripheral circuit. During the read operation, the control logic controls the peripheral circuit so that a read voltage is applied to a selected word line among a plurality of word lines coupled to the memory cells, a first pass voltage is applied to an unselected word line disposed adjacent to the selected word line and a second pass voltage is applied to an unselected word line that is not disposed adjacent thereto. The peripheral circuit adjusts a magnitude of the first or second pass voltage based on a temperature of the semiconductor memory device.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: October 4, 2022
    Assignee: SK hynix Inc.
    Inventors: Hee Youl Lee, Young Hwan Choi
  • Battery Case
    Publication number: 20220311042
    Abstract: A battery case includes an upper plate portion and a lower plate portion that are spaced apart from each other in vertical direction to form an inner space therebetween. Battery cells are stacked in the inner space in the vertical direction and a pressing portion is disposed in a first space between the upper plate portion and an uppermost one of the battery cells. The pressing portion presses the stacked battery cells downwards from above due to gravity. A damping portion is disposed in a second space between the upper plate portion and the upper surface of the pressing portion. The upper end of the damping portion is supported by the upper plate portion and the lower end of the damping portion supports the pressing portion.
    Type: Application
    Filed: November 18, 2021
    Publication date: September 29, 2022
    Inventors: Kang Won Lee, Hong Seok Min, Byoung Cheon Jeong, Ho Taek Lee, Yong Hwan Choi, Yu Ri Oh
  • METHOD AND APPARATUS FOR DISPLAYING APPLICATION
    Publication number: 20220308709
    Abstract: A method of displaying an application is provided. The method includes displaying an execution screen of a first application on a first area when the first application is executed, displaying the execution screen of the first application on a second area instead of on the first area when a second application is executed while the first application is executed, and displaying an execution screen of a second application on the first area.
    Type: Application
    Filed: June 13, 2022
    Publication date: September 29, 2022
    Inventors: Young-jin KIM, Sung-hee KIM, Seung-woon LEE, Kang-tae KIM, Tae-soo KIM, Jung-hwan CHOI
  • MEMORY DEVICE ADJUSTING DUTY CYCLE AND MEMORY SYSTEM HAVING THE SAME
    Publication number: 20220310151
    Abstract: A memory device includes a clock receiver configured to receive, from a memory controller, a write clock that is used to receive write data during a data write operation, a duty monitor configured to generate first monitoring information by monitoring a duty of the write clock, and a duty adjuster configured to adjust the duty of the write clock in response to a duty control signal and output an adjusted write clock. The memory device provides the first monitoring information to the memory controller, and receives the duty control signal, generated using the first monitoring information, from the memory controller.
    Type: Application
    Filed: June 16, 2022
    Publication date: September 29, 2022
    Inventors: Dae-Sik MOON, Gil-Hoon CHA, Ki-Seonk OH, Chang-Kyo LEE, Yeon-Kyu CHOI, Jung-Hwan CHOI, Kyung-Soo HA, Seok-Hun HYUN
  • Three-dimensional semiconductor memory device, operating method of the same and electronic system including the same
    Patent number: 11456319
    Abstract: Provided are a three-dimensional semiconductor memory device, a method for manufacturing the same, a method for operating the same, and an electronic system including the same. The three-dimensional semiconductor memory device includes a substrate, a stack structure on the substrate, and vertical channel structures, which are provided in channel holes penetrating the stack structure, wherein each of the vertical channel structures includes a data storage pattern, a vertical channel pattern, a conductive pad, and a vertical semiconductor pattern, wherein the vertical channel pattern includes a first portion contacting the upper surface of the substrate and a second portion provided between the data storage pattern and the vertical semiconductor pattern, and wherein the vertical semiconductor pattern is spaced apart from the substrate with the first portion of the vertical channel pattern therebetween.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: September 27, 2022
    Assignee: INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY
    Inventors: Yun Heub Song, Sun Jun Choi, Chang Hwan Choi, Jae Kyeong Jeong
  • Server of mediating a plurality of terminals, and mediating method thereof
    Patent number: 11457077
    Abstract: A server may include a communication interface for receiving a plurality of profile information from a plurality of terminals; and a processor configured to divide users of the plurality of terminals into a plurality of groups based on a first criterion, to divide users of a first gender included in each group into a plurality of subgroups based on a second criterion different from the first criterion, to divide users of a second gender different from the first gender, included in each group into a plurality of matching groups to correspond to each of the plurality of subgroups, and to provide profile information of users included in each of the plurality of matching groups corresponding to each of the plurality of subgroups among the plurality of profile information to users included in each of the plurality of subgroups.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: September 27, 2022
    Assignee: Hyperconnect Inc.
    Inventors: Sang Il Ahn, Hyeong Keol Nam, Seok Jun Seo, Seok Hwan Choi, Jae Hyeuk Oh
  • Target detection apparatus and method and vehicle control apparatus and method
    Patent number: 11454704
    Abstract: Embodiments disclosed herein relate to a target detection apparatus and method, and a vehicle control apparatus and method. A vehicle control apparatus includes: an image sensor operable to be disposed at a vehicle so as to have a field of view of exterior of the vehicle, the image sensor configured to capture image data; a processor configured to process the image data captured by the image sensor; and a controller configured to select a control target responsive at least in part to processing by the processor of the image data.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: September 27, 2022
    Assignee: HL KLEMOVE CORP.
    Inventors: Jung Hwan Choi, Han Byul Lee
  • BATTERY MODULE AND BATTERY PACK INCLUDING THE SAME
    Publication number: 20220302491
    Abstract: A battery module is disclosed. The battery module includes a plurality of battery cells, which are stacked on one another so as to form a battery cell stack, a pair of end plates, which are respectively in surface contact with two ends of the battery cell stack in a stacking direction in which the plurality of battery cells are stacked on one another, and a first cover, which is disposed above the battery cell stack in a vertical direction perpendicular to the stacking direction of the plurality of battery cells so as to cover one surface of the battery cell stack, wherein first ends of the pair of end plates extend further downwards than lower ends of the plurality of battery cells.
    Type: Application
    Filed: June 7, 2022
    Publication date: September 22, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Gyung Hoon Shin, Yong Hwan Choi, Yu Ri Oh, Wu Hyun Kim, Hae Kyu Lim, Ji Woong Jung
  • APPARATUS AND METHOD FOR ESTIMATING BIO-INFORMATION
    Publication number: 20220287571
    Abstract: An apparatus for estimating bio-information is disclosed. The apparatus may include: a pulse wave sensor configured to measure a pulse wave signal from an object; a force sensor configured to obtain a force signal by measuring an external force exerted onto the force sensor; and a processor configured to obtain a first input value, a second input value, and a third input value based on the pulse wave signal and the force signal, to extract a feature vector by inputting the first input value, the second input value, and the third input value into a first neural network model, and to obtain the bio-information by inputting the feature vector into a second neural network model.
    Type: Application
    Filed: July 7, 2021
    Publication date: September 15, 2022
    Applicants: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Sang Kon BAE, Joon-Hyuk CHANG, Jin Woo CHOI, Youn Ho KIM, Jehyun KYUNG, Joon-Young YANG, Inmo YEON, Jeong-Hwan CHOI
  • ELECTRONIC DEVICE
    Publication number: 20220279667
    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: Application
    Filed: February 25, 2022
    Publication date: September 1, 2022
    Inventors: Jonghwa LEE, Beomjin KIM, Dongwon CHOI, Jin Hwan CHOI, Taewoong KIM
  • Method and apparatus for displaying application
    Patent number: 11429244
    Abstract: A method of displaying an application is provided. The method includes displaying an execution screen of a first application on a first area when the first application is executed, displaying the execution screen of the first application on a second area instead of on the first area when a second application is executed while the first application is executed, and displaying an execution screen of a second application on the first area.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: August 30, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young-jin Kim, Sung-hee Kim, Seung-woon Lee, Kang-tae Kim, Tae-soo Kim, Jung-hwan Choi
  • METHOD AND APPARATUS FOR ENHANCING OPERATION OF LEG PROTHESIS
    Publication number: 20220265442
    Abstract: A method and apparatus for enhancing the operation of leg prothesis is provided. The apparatus includes a cable configured to be attached to the leg prosthesis worn by a subject to move through a plurality of gait phases. The apparatus also includes a module configured to be mounted to the leg prosthesis. The module includes a tension spring configured to engage the cable to maintain tension in the cable. The module also includes a locking mechanism configured to lock a position of the tension spring and maintain a length of the cable defined between the module and the leg prosthesis during at least one first gait phase of the plurality of gait phases. The locking mechanism is further configured to unlock the position of the tension spring to permit variation of the length of the cable during at least one second gait phase of the plurality of gait phases.
    Type: Application
    Filed: August 3, 2020
    Publication date: August 25, 2022
    Inventors: Hwan CHOI, Gabriel Rios CARBONELL
  • RADAR DEVICE FOR VEHICLE AND CONTROLLING METHOD THEREOF
    Publication number: 20220268924
    Abstract: The embodiments of the present disclosure relate to a radar device including an antenna unit including a transmission antenna for transmitting a transmission signal and a receiving antenna for receiving a reception signal reflected from a target, a signal processor configured to determine target direction information by using a phase difference between the reception signals received from the respective receiving antennas, and a controller configured to control to perform a first mode and a second mode for transmitting and receiving signals at different pulse repetition intervals, respectively.
    Type: Application
    Filed: February 18, 2022
    Publication date: August 25, 2022
    Applicant: Mando Mobility Solutions Corporation
    Inventors: Jung Hwan CHOI, JinGu LEE, Han Byul LEE, Jae Hyun HAN
  • DISPLAY DEVICE INCLUDING MODULE SUPPORT AND METHOD FOR MANUFACTURING MODULE SUPPORT
    Publication number: 20220269312
    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: Application
    Filed: December 11, 2019
    Publication date: August 25, 2022
    Inventors: Jin Hwan CHOI, Hayk KHACHATRYAN, Hyunwoo KOO, Dongwon CHOI, Taewoong KIM
  • VEHICLE BODY
    Publication number: 20220266671
    Abstract: A vehicle body includes: a vehicle panel spaced apart from a vehicle battery and protecting the vehicle battery; a top support disposed down through the vehicle panel from above and having a top support fixing portion; and a bottom support having a bottom support fixing portion. In particular, the top support connects the vehicle panel and a bush to each other, and the bottom support supports the top support and the bush connected to a cross member of a vehicle with respect to each other through coupling between the top support fixing portion and the bottom support fixing portion.
    Type: Application
    Filed: May 13, 2022
    Publication date: August 25, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Gyung Hoon Shin, Yong Hwan Choi, Yu Ri Oh, Wu Hyun Kim, Hae Kyu Lim, Ji Woong Jung
  • Auxiliary battery and auxiliary battery rental device
    Patent number: 11423472
    Abstract: The present invention relates to an auxiliary battery and an auxiliary battery rental device, and the auxiliary battery rental device according to the present invention comprises: a battery port allowing an auxiliary battery to be discharged therefrom or returned thereto; a battery queue in which auxiliary batteries are vertically stacked and loaded; a carrier for discharging an auxiliary battery loaded in the battery queue to the battery port, or loading an auxiliary battery returned to the battery port in the battery queue; a lift for lifting at least some of the auxiliary batteries loaded in the battery queue; a charging unit for charging at least some of the auxiliary batteries loaded in the battery queue; and a control unit for controlling an operation of the rental device such that lending and returning operations of the auxiliary batteries are automatically performed.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: August 23, 2022
    Assignee: LIBERGON, INC.
    Inventors: Joon Hwan Kim, Joon Ho Lim, Hak Cheon Lee, Eui Hwan Choi