Patents by Inventor Yoon Young Choi

Yoon Young 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).

  • Patent number: 10777577
    Abstract: A three-dimensional semiconductor memory device includes a substrate including a cell array region and a connecting region; a stacked structure including a lower stacked structure and an upper stacked structure sequentially stacked on a substrate, wherein the stacked structure includes an insulating layer and electrodes alternately stacked vertically on the substrate; a vertical structure in a channel hole passing through the lower stacked structure and the upper stacked structure on the cell array region; and a dummy structure in a dummy hole passing through at least one of a lower stacked structure and an upper stacked structure on a connecting region. The connecting region includes a second connecting region on one side of the cell array region and a first connecting region on one side of the second connecting region. A surface pattern shape of the dummy hole in the second connecting region is different from a shape of the dummy hole in the first connecting region.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: September 15, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-sung Cheon, Seok-cheon Baek, Yoon-hwan Son, Jun-young Choi
  • Publication number: 20200275951
    Abstract: An access sheath is provided. The access sheath comprises: an outer sheath extending to be long in one direction, and having an insertion space formed in a lengthwise direction; and an inner sheath drawn into the insertion space of the outer sheath, and having a plurality of balloons, wherein the outer sheath comprises: an outer body having a cutting gap formed along the lengthwise direction of the outer sheath; and an elastic connection part filled in the cutting gap so as to connect a cutting area of the outer body, and provided as an elastic material more flexible than that of the outer body, wherein the elastic connection part expands and the diameter of the outer body increases according to an expansion of the balloons.
    Type: Application
    Filed: September 18, 2018
    Publication date: September 3, 2020
    Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Jung Ki JO, Tae Ho LIM, Sung Yul PARK, Hae Young PARK, Yong Tae KIM, Hong Sang MOON, Hong Yong CHOI, Seung Wook LEE, Yoon Je LEE
  • Publication number: 20200271993
    Abstract: A display device having a backlight which includes a first quantity of light source blocks that are individually driven at separate duty ratios. The display device includes pixels having a second quantity that is greater than the first quantity. The pixels are configured to determine a light transmission factor for light emitted from the light source blocks. A grayscale compensation unit is configured to calculate color shift amounts of the pixels based on the duty ratios of the light source blocks and compensate input grayscale values for the pixels based on the color shift amounts to correct color shift.
    Type: Application
    Filed: November 20, 2019
    Publication date: August 27, 2020
    Inventors: Nam Jae LIM, Hoi Sik MOON, Yoon Gu KIM, Jae Sung BAE, Seung Young CHOI, Tae Hyeong AN
  • Publication number: 20200243301
    Abstract: A plasma treatment apparatus according to the present invention includes an induction chamber in which a source gas is introduced to generate plasma therein, a process chamber in which a substrate to be treated is treated by the plasma generated in the induction chamber, an inductively coupled plasma (ICP) antenna disposed outside the induction chamber and configured to form an inductive magnetic field so as to generate plasma from the source gas introduced into the induction chamber, and a high-frequency oscillator configured to apply a RF power to the ICP antenna.
    Type: Application
    Filed: October 2, 2018
    Publication date: July 30, 2020
    Applicant: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Jeong Hee JO, Yoon Seok CHOI, Zaretskiy SERGEY, Cha Young YOO
  • Patent number: 10723775
    Abstract: The present invention relates to a method for purifying darbepoetin alfa by selectively separating only a structural isoform having a high content of sialic acid from a mixture of structural isoforms of darbepoetin alfa having various contents of sialic acid. Since the method of the present invention is a novel method for purifying darbepoetin alfa which can be conveniently and simply produced, it is possible to remarkably increase productivity due to process efficiency improvement, as well as to yield high purity darbepoetin alfa when mass-producing darbepoetin alfa according to the present invention.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: July 28, 2020
    Assignee: CJ Healthcare Corporation
    Inventors: Yoon Jung Lee, Kyung Hwa Kim, Yoo Hee Yang, Jung Min Yoo, Se Jun Kim, Ji Hyun Moon, Hoo Keun Oh, Dong Eok Lee, Won Jeong Lee, Jung Rok Lee, Chung Min Lee, Eun Young Choi, Gyong Sik Ha
  • Publication number: 20200235431
    Abstract: Disclosed are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. The electrolyte for the lithium secondary battery includes a lithium salt, a solvent component and an additive including one or more of the following compounds, wherein each of R1, R2 and R3 is independently hydrogen, an alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an aryl group having 6 to 30 carbon atoms, or an arylalkyl group having 6 to 30 carbon atoms.
    Type: Application
    Filed: May 20, 2019
    Publication date: July 23, 2020
    Inventors: Yoon Sung Lee, Jung Young Cho, Ikkyu Kim, Seung-Min Oh, DongHui Kim, Nam-Soon Choi, Koeun Kim, Juyeon Lee, Sung Ji Park
  • Publication number: 20200203367
    Abstract: A three-dimensional semiconductor memory device includes a substrate including a cell array region and a connecting region; a stacked structure including a lower stacked structure and an upper stacked structure sequentially stacked on a substrate, wherein the stacked structure includes an insulating layer and electrodes alternately stacked vertically on the substrate; a vertical structure in a channel hole passing through the lower stacked structure and the upper stacked structure on the cell array region; and a dummy structure in a dummy hole passing through at least one of a lower stacked structure and an upper stacked structure on a connecting region. The connecting region includes a second connecting region on one side of the cell array region and a first connecting region on one side of the second connecting region. A surface pattern shape of the dummy hole in the second connecting region is different from a shape of the dummy hole in the first connecting region.
    Type: Application
    Filed: July 2, 2019
    Publication date: June 25, 2020
    Inventors: Ji-sung CHEON, Seok-cheon BAEK, Yoon-hwan SON, Jun-young CHOI
  • Publication number: 20200161645
    Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.
    Type: Application
    Filed: January 24, 2020
    Publication date: May 21, 2020
    Inventors: Jun-young MUN, Jae-myung LEE, Gue-sung KIM, Yoon-sok KANG, Myung-hoon KIM, Jun-ho PARK, Jin-hwan PARK, Jae-gu YOON, Byung-jin CHOI
  • Patent number: 10658716
    Abstract: The present disclosure relates to a battery module having stable strength and rigidity, high sealability and assemblability, and improved productivity. The battery module of the present disclosure includes: a cell assembly; a cooling plate; a front cover having a lower portion welded to the cooling plate; a rear cover having a lower portion welded to the cooling plate; a left side cover having a lower end portion welded to the cooling plate and a rear end portion welded to the rear cover; a right side cover having a lower end portion welded to the cooling plate, a front end portion welded to the front cover, and a rear end portion welded to the rear cover; and an upper plate having a left end portion welded to the left side cover and a right end portion welded to the right side cover.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: May 19, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jong-Young Lee, Eun-Gyu Shin, Jeong-O Mun, Yoon-Koo Lee, Hang-June Choi
  • Publication number: 20200140716
    Abstract: A neutral layer composition, which is capable of forming a neutral layer that can effectively control orientation characteristics of various block copolymers is provided.
    Type: Application
    Filed: July 16, 2018
    Publication date: May 7, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Eun Young Choi, No Jin Park, Je Gwon Lee, Yoon Hyung Hur, Sung Soo Yoon
  • Patent number: 10644299
    Abstract: Disclosed is a battery module, which includes a battery cell assembly having at least one battery cell, a module case configured to accommodate the battery cell assembly, and a module connector mounted at the module case, wherein the module connector includes a connector pin electrically connected to the battery cell assembly at the inside of the module case so as to be connected to an external connector at the outside of the module case, a connector housing mounted to an outer surface of the module case to surround the connector pin, and a sealing member provided between the connector housing and the module case.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: May 5, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jung-Hoon Lee, Jeong-O Mun, Eun-Gyu Shin, Yoon-Koo Lee, Jong-Young Lee, Byoung-Cheon Jeong, Mi-Geum Choi, Torsten Karcher, Andreas Track
  • Patent number: 10637112
    Abstract: Disclosed are a busbar for cooling battery cells and a battery module using the same. The busbar for cooling battery cells is a busbar configured to cool a plurality of battery cells included in a battery module, and includes: a body portion formed in a strap shape and contacting an electrode lead of each battery cell; and a bent portion integrally formed with the body portion and extending from one end of the body portion to be bent in a thickness direction of the body portion, wherein the bent portion includes: a coupling groove coupled to a coupling protrusion that is prepared on a cooling plate of the battery module or a coupling protrusion that is prepared on a predetermined frame of the battery module, the predetermined frame supporting the busbar; and a thermal contact surface thermally contacting the cooling plate.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: April 28, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Eun-Gyu Shin, Jeong-O Mun, Yoon-Koo Lee, Jung-Hoon Lee, Jong-Young Lee, Byoung-Cheon Jeong, Mi-Geum Choi, Hang-June Choi, Alexander Eichhorn, Andreas Track
  • Publication number: 20200115349
    Abstract: The present invention relates to isoxazole derivatives, including pharmaceutical compositions and for the preparation of isoxazole derivatives. And more particularly the present invention provided a pharmaceutical composition of isoxazole derivatives for activation of Farnesoid X receptor (FXR, NR1H4).
    Type: Application
    Filed: April 12, 2018
    Publication date: April 16, 2020
    Inventors: Jae-Hoon KANG, Hong-Sub LEE, Yoon-Suk LEE, Jin-Ah JEONG, Sung-Wook KWON, Jeong-Guen KIM, Kyung-Sun KIM, Dong-Keun SONG, Sun-Young PARK, Kyeo-Jin KIM, Ji-Hye CHOI, Hey-Min HWANG
  • Patent number: 10586980
    Abstract: A composite cathode active material, a method of preparing the composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode. The composite cathode active material includes a lithium intercalatable material; and a garnet oxide, wherein an amount of the garnet oxide is about 1.9 wt % or less, based on a total weight of the composite cathode active material.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: March 10, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-young Mun, Jae-myung Lee, Gue-sung Kim, Yoon-sok Kang, Myung-hoon Kim, Jun-ho Park, Jin-hwan Park, Jae-gu Yoon, Byung-jin Choi
  • Publication number: 20200075181
    Abstract: A zirconium alloy is manufactured through melting; solution heat treatment at 1,000 to 1,050° C. (?) for 30 to 40 min and ?-quenching using water; preheating at 630 to 650° C. for 20 to 30 min and hot rolling at a reduction ratio of 60 to 65%; primary intermediate vacuum annealing at 570 to 590° C. for 3 to 4 hr and primarily cold-rolled at a reduction ratio of 30 to 40%; secondary intermediate vacuum annealing at 560 to 580° C. for 2 to 3 hr and secondarily cold-rolled at a reduction ratio of 50 to 60%; tertiary intermediate vacuum annealing at 560 to 580° C. for 2 to 3 hr and tertiarily cold-rolled at a reduction ratio of 30 to 40%; and final vacuum annealing at 460 to 590° C. for 7 to 9 hr.
    Type: Application
    Filed: November 8, 2019
    Publication date: March 5, 2020
    Applicant: KEPCO NUCLEAR FUEL CO., LTD.
    Inventors: Min Young CHOI, Yong Kyoon MOK, Yoon Ho KIM, Yeon Soo NA, Chung Yong LEE, Hun JANG, Tae Sik JUNG, Dae Gyun GO, Sung Yong LEE, Seung Jae LEE, Jae Ik KIM
  • Publication number: 20200045163
    Abstract: Disclosed are an apparatus and control method for recommending an application based on a recognized situation of a user of an electronic device by executing an artificial intelligence (AI) algorithm and/or machine learning algorithm in a 5G environment connected for the Internet of Things and a driving method thereof. The apparatus control method according to an embodiment of the present disclosure includes applying context information including at least one of environmental information collected through a sensor of the electronic device or a network, or usage information generated by the use of the electronic device to a machine learning based first learning model in response to a user input, and displaying, on a display, a first shortcut related to an application determined on the basis of a result of applying the context information to the first learning model and displaying, on the display, a second shortcut related to a preset application.
    Type: Application
    Filed: October 11, 2019
    Publication date: February 6, 2020
    Applicant: LG ELECTRONICS INC.
    Inventors: Jeong Hwan Hwang, Dae San Kang, Byeong Soo Kim, Ji Yeon Kim, Hee Jin Kim, Yoon Ok Nam, Ji Young Lee, JI Na Choi
  • Patent number: 10516154
    Abstract: Disclosed is a positive electrode for a lithium secondary battery which uses a positive electrode active material containing secondary particles with a relatively weak particle strength to improve the adhesion between a positive electrode mixture layer and a current collector, and the positive electrode includes a positive electrode current collector; a primer coating layer including a first polymer binder and a first conductive material, having surface roughness (Ra) of 85 nm to 300 nm and formed on at least one surface of the positive electrode current collector; and a positive electrode mixture layer formed on an upper surface of the primer coating layer and including a positive electrode active material containing secondary particles with a compressive breaking strength of 1 to 15 MPa, a second polymer binder and a second conductive material.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: December 24, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jong-Heon Seol, Jin-Young Son, Hyung-Suk Cho, Sin-Young Jung, Yoon-Jung Choi, Yo-Jin Kim, Je-Young Kim, Sung-Joon Park, Jung-Keun Yoo, Sang-Hoon Choy
  • Patent number: 10497994
    Abstract: A battery pack, which includes a pack case forming an appearance of the battery pack, at least one battery module provided in the pack case and having at least one battery cell therein, and a coolant circulator connected to the at least one battery module to circulate a coolant into the at least one battery module, at least a portion of the coolant circulator pressing the at least one battery module in the pack case, is provided.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: December 3, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Jong-Young Lee, Eun-Gyu Shin, Jung-Hoon Lee, Mi-Geum Choi, Jeong-O Mun, Yoon-Koo Lee, Hang-June Choi
  • Patent number: 10471839
    Abstract: A method and system for detecting fusion of a relay are provided to more accurately diagnose fusion of a relay by adjusting relay OFF order when a vehicle engine is turned off using data regarding whether fusion of a relay was detected when the vehicle engine was turned on. The method includes detecting whether first and second relays have been fused when a vehicle engine was turned on and adjusting OFF order of the first and second relays when the vehicle engine is turned off based on whether the first and second relays have been fused.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: November 12, 2019
    Assignee: Hyundai Motor Company
    Inventors: Kyung Ho Kim, Kyung In Min, Jae Hoon Choi, Dong Gun Kim, Do Kyoung Lim, Jin Wook Kim, Jun Ho Bang, Yoon Jun Lee, Hee Tae Yang, Yu Seok Kim, Hyo Sik Moon, Kyun Young Ahn, Suk Hyung Kim, Dong Il Kim
  • Publication number: 20190293237
    Abstract: A device for maintaining the internal temperature of a pressure vessel. The device includes a pressure vessel equipped with a main heater for heating test water to a predetermined test temperature and for maintaining the predetermined test temperature, a preheater for primarily heating the test water to the predetermined test temperature before the main heater heats the test water, and a heat exchanger including an feed pipe for feeding the test water heated by the preheater to the pressure vessel and a discharge pipe for transporting the test water discharged from the pressure vessel, in which the feed pipe is disposed inside the discharge pipe.
    Type: Application
    Filed: June 12, 2019
    Publication date: September 26, 2019
    Applicant: KEPCO NUCLEAR FUEL CO., LTD.
    Inventors: Hun Jang, Yong Kyoon Mok, Yoon Ho Kim, Min Young Choi, Dae Gyun Ko, Sung Yong Lee, Jong Sung Yoo