Patents by Inventor Ji Hoon Lee

Ji Hoon Lee 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).

  • STEERING SYSTEM OF VEHICLE
    Publication number: 20200180686
    Abstract: A steering system of a vehicle is provided. The steering system adjusts the torsional rigidity of a torsion bar without limitation as to the configuration thereof and performs active control responding to the vehicle state by adjusting steering characteristics by controlling the torsional rigidity of the torsion bar based on the traveling condition, load state or driving mode of the vehicle. The steering system includes an MR assist device, which is coupled to an end portion of the torsion bar and adjusts the rotation and torsional rigidity of the torsion bar using an MR fluid as a working fluid.
    Type: Application
    Filed: June 21, 2019
    Publication date: June 11, 2020
    Inventors: Ji Hoon Lee, Jin Gyo Suh, Sung Han Cho, Seo An Lee
  • CHEMILUMINESCENT BIOSENSOR FOR DETECTING COAGULATION FACTORS
    Publication number: 20200182889
    Abstract: A chemiluminescent biosensor for detecting a coagulation factor in a blood sample including: a fluorogenic substrate for the coagulation factor, where the fluorogenic substrate includes a fluorescent dye; and a quencher conjugated with the fluorogenic substrate. The biosensor rapidly and accurately detects a coagulation factor in a blood sample including whole blood or plasma, thereby useful for minimizing or eliminating any reversal effect of anticoagulants.
    Type: Application
    Filed: July 17, 2017
    Publication date: June 11, 2020
    Inventor: Ji Hoon LEE
  • Method for recovering ethylbenzene from alkylation product of fluidized catalytic cracking off-gas and benzene
    Patent number: 10654768
    Abstract: The present disclosure provides a process for effectively separating and removing by-products (light gas, C5-C6 hydrocarbon oil fraction, polyethylbenzene) contained in a substantial amount in addition to ethylbenzene as a target compound in an alkylation reaction product of a fluidized catalytic cracking off-gas to prepare ethylbenzene having high purity, and process economical efficiency may be secured by utilizing the polyethylbenzene as an absorbent or gasoline fraction, without requiring a transalkylation reaction for further producing ethylbenzene from polyethylbenzene.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: May 19, 2020
    Assignees: SK Innovation Co., Ltd., SK Global Chemical Co., Ltd.
    Inventors: Dae Sung Song, Hee Du Lee, Sang Il Lee, Kyung Jong Oh, Ji Hoon Lee, Yeon Ho Kim
  • Data storage device and operating method thereof
    Patent number: 10628323
    Abstract: An operating method for a data storage device includes providing a nonvolatile memory device including a plurality of pages; segmenting an address map which maps a logical address provided from a host device and a physical address of the nonvolatile memory device, by a plurality of address map segments according to a segment size that is set depending on a quality of service time allowed to process a request of the host device and an unprocessed workload; and flushing at least one of the address map segments in the nonvolatile memory device after processing the unprocessed workload.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: April 21, 2020
    Assignee: SK hynix Inc.
    Inventors: Min Hwan Moon, Duck Hoi Koo, Soong Sun Shin, Ji Hoon Lee
  • Electrode assembly and rechargeable battery including the same
    Patent number: 10593999
    Abstract: An electrode assembly includes: a first electrode including a first electrode coated region and a first electrode uncoated region at one side of the first electrode coated region; a separator overlapping the first electrode; a second electrode including a second electrode coated region and a second electrode uncoated region at one side of the second electrode coated region; and a foreign particle preventing member on at least one of the first electrode uncoated region and the second electrode uncoated region. The second electrode coated region overlaps the first electrode coated region with the separator therebetween, and the foreign particle preventing member is repeatedly wound about an axis together with the first electrode, the separator, and the second electrode.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: March 17, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jungyi Yu, Juseok Park, Minsu Kim, Youngtae Kim, Taikyeong Park, Seung-Woo Lyu, Daniel Ryou, Ji-hoon Lee, Ie Su Cho
  • LOW GLOSS BLACK POLYIMIDE FILM COMPRISING A STRESS CANCELING RESIN LAYER AND A METHOD FOR PRODUCING THE SAME
    Publication number: 20200062995
    Abstract: Disclosed is a low gloss black polyimide film produced from a soluble black polyimide resin composition capable of realizing matte by surface transfer of a support film, without addition of a matting agent. Also provided is a black polyimide film including a stress canceling resin layer and having no curl or distortion. The black polyimide film includes: a stress canceling resin layer; a support film; and a black polyimide resin layer coated on the support film in a flexible manner, wherein low gloss is realized without addition of a matting agent, and the stress canceling resin layer for residual stress cancellation of the black polyimide resin layer is provided on the other surface of the support film.
    Type: Application
    Filed: August 16, 2019
    Publication date: February 27, 2020
    Applicant: KUK DO CHEMICAL CO., LTD.
    Inventors: Bum-Young MYUNG, Seung-Kyun KIM, Joo-Bin KIM, Seung-Heon KIM, Sang-Wan KIM, Ji-Hoon LEE, Yu-Bin KIM
  • BACKLIGHT UNIT WITH ONE DIMENSIONAL DIMMING
    Publication number: 20200064535
    Abstract: A backlight unit suitable for use as an illuminator for liquid crystal display devices. The backlight unit comprises a glass light guide plate with a glass sheet including a first glass surface comprising a plurality of channels separated by peaks and arranged periodically therein, and a plurality of light emitting diodes arranged in an array along at least one edge surface of the glass sheet.
    Type: Application
    Filed: February 15, 2018
    Publication date: February 27, 2020
    Inventors: Seung-Ill Haan, Byoung-chul Jeong, Byounggwan Kang, Gautam Narendra Kudva, Ji-hoon Lee, Shenping Li, Xiang-Dong Mi, Amber Leigh Tremper, Natesan Venkataraman
  • APPARATUS AND METHOD OF MEASURING ELECTROCARDIOGRAM SIGNAL USING WIRELESS COMMUNICATIONS, AND COMPUTER-READABLE RECORDING MEDIUM
    Publication number: 20200037876
    Abstract: An apparatus for measurement of an electrocardiogram signal using wireless communications includes a submodule measuring a first signal by a heartbeat signal provided via a first electrode when a flag signal is wirelessly received, and a main module wirelessly transmitting the flag signal according to a predetermined sampling period, and measuring a second signal by a heartbeat signal provided through a second electrode. The main module is configured to synchronize a measurement time of the second signal with a measurement time of the first signal by measuring the second signal in consideration of a wireless transmission time of the flag signal.
    Type: Application
    Filed: October 30, 2018
    Publication date: February 6, 2020
    Inventors: Youn Tae KIM, Jae Hyo JUNG, Ji Hoon LEE, Si Ho SHIN
  • GLASS ETCHING COMPOSITION AND METHOD OF MANUFACTURING ANTI-GLARE GLASS
    Publication number: 20190322573
    Abstract: A glass etching composition contains a base etching solution for etching glass and a syrup made from hydrolysis of starch. The syrup contains at least one selected from the group consisting of glucose, maltose, and dextrin. The base etching solution contains hydrogen fluoride, ammonium fluoride, and water. The glass etching composition further contains at least one selected from the group consisting of starch powder, Fibersol®, pectin, and guar gum. A method of manufacturing anti-glare glass includes etching glass using a first glass etching solution by screen printing. The first glass etching solution contains a base etching solution for etching glass and a syrup made from hydrolysis of starch. The glass has higher chemical durability than soda-lime glass. The method further includes etching the glass with a second glass etching solution after etching the glass using the first glass etching solution.
    Type: Application
    Filed: December 22, 2017
    Publication date: October 24, 2019
    Inventors: Byoung-Gwan Kang, Ji-Hoon Lee, Ki-Yeon Lee, Hoon-Chul Oh
  • Anode material for secondary battery,secondary battery including the anode material and method for preparing the anode material
    Patent number: 10403886
    Abstract: Disclosed is an anode material for a sodium secondary battery. The anode material includes a tin fluoride-carbon composite composed of a tin fluoride and a carbonaceous material. The anode material can be used to improve the charge/discharge capacity, charge/discharge efficiency, and electrochemical activity of a sodium secondary battery. Also provided are a method for preparing the anode material and a sodium secondary battery including the anode material.
    Type: Grant
    Filed: January 2, 2017
    Date of Patent: September 3, 2019
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kyung Yoon Chung, Ji-Hoon Lee, Ghulam Ali, Hun-Gi Jung, Wonchang Choi, Won Young Chang, Si Hyoung Oh, Byung Won Cho
  • Motor
    Patent number: 10374479
    Abstract: A motor is provided. The motor includes: a rotor; a stator inside which the rotor is rotatably disposed and including a plurality of teeth protruding toward the rotor; a plurality of insulating films disposed in respective slots formed between the plurality of teeth to insulate a coil wound around the plurality of teeth from the respective teeth; and insulating members covering upper and lower portions of the stator, respectively, wherein the plurality of insulating films are fixed by the plurality of teeth and the insulating members.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: August 6, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-bum Lee, Hong-jung Kim, Gyeong-don Kim, Young-ju Ryu, Ji-hoon Lee, Jae-jin Cho, Jong-hyun Choi, In-cheol Hwang
  • Method and apparatus for providing character input interface
    Patent number: 10359932
    Abstract: A method and an apparatus for providing a character input interface are provided. The method for providing a character input interface in a terminal having a touchscreen, includes simultaneously displaying a first keyboard on a first region and a second keyboard including second keyboard language selection keys on a second region by the touchscreen in a character inputting mode; and changing a language of the second keyboard to a language corresponding to a second touched keyboard language selection key touched while maintaining a language of the first keyboard when input touching the second keyboard language key is received.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: July 23, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Wook Park, Se Hwan Park, Ji Hoon Kim, Ji Hoon Lee
  • METHOD FOR SEALING POUCH CASING OF SECONDARY BATTERY
    Publication number: 20190207171
    Abstract: The present disclosure relates to a method for sealing a pouch casing of a pouch-type secondary battery, which includes the steps of: a receiving step in which an electrode assembly is received in an inner space formed between an upper pouch and a lower pouch; and a sealing step in which a first pressure is applied to an outer circumferential sealing portion, where the upper pouch and the lower pouch are sealed, in the longitudinal direction, and then the pressure is relieved, wherein the sealing step is carried out by applying external force to the upper pouch in the upward direction and to the lower pouch in the downward direction, or by applying a second pressure working in perpendicular to the first pressure to the sealing portion from the inner part of the pouch casing in a direction toward the outside.
    Type: Application
    Filed: September 28, 2017
    Publication date: July 4, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Yong-Su CHOI, Sang-Hun KIM, Min-Hyeong KANG, Yong KIM, Cho-Long KIM, Hyung-Kyun YU, Ji-Hoon LEE, Soo-Ji HWANG
  • STORAGE DEVICE AND METHOD OF OPERATING THE SAME
    Publication number: 20190187902
    Abstract: Provided herein may be a storage device and a method of operating the same. The storage device for additionally securing an over-provisioning area may include at least one memory device, each including first memory blocks and second memory blocks, and a memory controller configured to store system data, stored in the first memory blocks of the at least one memory device, in the second memory blocks when a size of a residual space in a memory area of the at least one memory device is less than a threshold.
    Type: Application
    Filed: August 31, 2018
    Publication date: June 20, 2019
    Inventor: Ji Hoon LEE
  • MEMORY SYSTEM AND METHOD OF OPERATING THE SAME
    Publication number: 20190121558
    Abstract: Provided herein may be a memory system and a method of operating the memory system. The method includes: allocating a first buffer region to a first workload group; allocating a second buffer region to a second workload group; monitoring a first workload group latency and a second workload group latency; and dynamically adjusting a memory space of each of the first and second buffer regions based on a result of the monitoring.
    Type: Application
    Filed: May 21, 2018
    Publication date: April 25, 2019
    Inventors: Ji Hoon LEE, Jeong Ho JEON
  • CARBON NANOTUBE COMPOSITE ELECTRODE USING VACUUM SUCTION
    Publication number: 20190105485
    Abstract: A Carbon NanoTube (CNT) composite electrode includes a lower electrode having a through-hole formed therein, and configured to be attached to the skin of a subject body to detect a biosignal, an upper electrode provided on one surface of the lower electrode to form an enclosed space between the lower electrode and the upper electrode, and configured to receive the biosignal detected by the lower electrode, and an air discharge portion formed in at least one of the lower electrode and the upper electrode, and discharging air present in the enclosed space and the through-hole externally so as to be configured to allow the upper electrode and the lower electrode to be attached to the skin of the subject body via vacuum suction.
    Type: Application
    Filed: December 20, 2017
    Publication date: April 11, 2019
    Inventors: Youn Tae KIM, Jae Hyo JUNG, Ji Hoon LEE, Si Ho SHIN
  • Secondary battery having a clamping device and method for manufacturing same
    Patent number: 10230129
    Abstract: A secondary battery includes a pouch case provided with an accommodation part accommodating an electrode assembly and a gas pocket part collecting a gas generated in the accommodation part by the electrode assembly, and a clamp device coupled between the accommodation part and the gas pocket part to seal a gap between the accommodation part and the gas pocket part.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: March 12, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Hyung Seok Han, Sang Suk Jung, Hyung Kyun Yu, Ki Hoon Paeng, Ji Hoon Lee, Soo Ji Hwang, Min Hyeong Kang
  • Secondary battery having a clamping device and method for manufacturing same
    Patent number: 10199674
    Abstract: A secondary battery includes a pouch case provided with an accommodation part accommodating an electrode assembly and a gas pocket part collecting a gas generated in the accommodation part by the electrode assembly, and a clamp device coupled between the accommodation part and the gas pocket part to seal a gap between the accommodation part and the gas pocket part.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: February 5, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Hyung Seok Han, Sang Suk Jung, Hyung Kyun Yu, Ki Hoon Paeng, Ji Hoon Lee, Soo Ji Hwang, Min Hyeong Kang
  • BATTERY CELL INCLUDING TAB AND LEAD HAVING COMPACT JOINT STRUCTURE
    Publication number: 20190036148
    Abstract: Disclosed herein is a battery cell configured to have a structure in which an electrode assembly is received in a battery case together with an electrolytic solution in the state in which the battery case is sealed and in which a first electrode terminal and a second electrode terminal are located outside the battery case, wherein the electrode assembly is configured to have a structure in which a plurality of first electrode plates and a plurality of second electrode plates are stacked in the state in which separators are interposed respectively between the first electrode plates and the second electrode plates, at least one of the first and second electrode plates includes at least two unit tabs protruding outward from a main body thereof, and unit leads are coupled to the unit tabs in order to form at least one terminal unit.
    Type: Application
    Filed: November 8, 2017
    Publication date: January 31, 2019
    Applicant: LG Chem, Ltd.
    Inventors: Na Yoon Kim, Hyung-Kyun Yu, Yong-Su Choi, Sang-Hun Kim, Ji-Hoon Lee, Soo-Ji Hwang, Min-Hyeong Kang, Yong Kim
  • ORGANIC-INORGANIC ADHESIVE COMPOSITION AND GAS BARRIER FILM AND METHOD FOR PRODUCING SAME
    Publication number: 20190016092
    Abstract: The present invention relates to an organic-inorganic adhesive composition, a gas barrier film comprising the same, and a method for producing the same. More particularly, the present invention can provide an organic-inorganic adhesive composition capable of improving the adhesion between an inorganic gas barrier layer and various organic materials constituting a device; a gas barrier film which has excellent gas barrier properties even with a simple two-layer structure of an inorganic layer and an organic-inorganic adhesive layer without a surface treatment or an undercoating layer on a substrate, and in which the organic-inorganic adhesive layer improves adhesion between the inorganic layer of the gas barrier film and the organic materials constituting the device, thereby exhibiting excellent adhesion properties, and a method for producing the same.
    Type: Application
    Filed: December 30, 2016
    Publication date: January 17, 2019
    Inventors: Sang Woo JIN, Jun Woo PARK, Kwang Hoi LEE, Sang Yeol UM, Ji Hoon LEE