Patents by Inventor Cheol Kang

Cheol Kang 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: 20240186512
    Abstract: Cathode active materials for lithium secondary batteries and lithium secondary batteries including the cathode active materials are disclosed. In an embodiment, a cathode active material includes a lithium iron phosphate-based particle including a surface portion and a central portion, both of which includes vanadium (V). A total weight of the vanadium contained in the lithium iron phosphate-based particle includes a first weight amount of vanadium contained in the surface portion of the lithium iron phosphate-based particle and a second weight amount of vanadium contained in the central portion of the lithium iron phosphate-based particle, and the first weight amount is greater than the second weight amount.
    Type: Application
    Filed: November 29, 2023
    Publication date: June 6, 2024
    Inventors: Min Suk KANG, Hyo Shik KIL, Ji Yae DO, Min Cheol BEAK
  • Publication number: 20240186489
    Abstract: A cathode active material for a lithium secondary battery according to an embodiment of the present disclosures a plurality of composite particles, each of which comprises a lithium metal phosphate particle, and a carbon coating formed on at least a portion of a surface of the lithium metal phosphate particle. A standard deviation of thickness values of the carbon coating measured by an X-ray photoelectron spectroscopy (XPS) for five different composite particles of the plurality of composite particles is 15 nm or less.
    Type: Application
    Filed: June 29, 2023
    Publication date: June 6, 2024
    Inventors: Ji Yae DO, Min Suk KANG, Min Cheol BEAK, Kwang Ho LEE, Jae Young CHOI
  • Patent number: 12000008
    Abstract: The present disclosure relates to a high-strength hot-dip galvanized steel sheet having excellent surface quality and electrical resistance spot weldability, and a method for manufacturing the same. A galvanized steel sheet according to an aspect of the present disclosure is a galvanized steel sheet including a base steel sheet and a zinc-based plating layer formed on a surface of the base steel sheet, wherein a ratio (a/b) of a hardness of a surface layer portion (a) to a hardness of an internal portion (b) of the base steel sheet may be less than 0.95.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: June 4, 2024
    Assignee: POSCO
    Inventors: Ki-Cheol Kang, Chung-Hwan Lee, Yong-Joo Kim, Kang-Min Lee, Kyoo-Young Lee
  • Patent number: 11999624
    Abstract: A particle with a yolk-shell structure including a shell including carbon; and a care including silicon (Si) provided inside the shell, wherein at least a part of the shell is spaced apart from the core, and the particle with the yolk-shell structure has a micropore volume of 0.15 cm3/g or less, and a method for preparing the same.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: June 4, 2024
    Assignees: LG ENERGY SOLUTION, LTD., INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS
    Inventors: Jonghyun Chae, Won Cheol Yoo, Min Seo Kim, Jangbae Kim, Min Seok Kang
  • Publication number: 20240177142
    Abstract: The present disclosure relates to a mobile gift certificate transaction method applying NFT technology. The method includes NFT-tokenizing a gift certificate code stored in a gift certificate storage unit; receiving a buying signal of a gift certificate from a gift certificate buyer terminal; updating an NFT-tokenized gift certificate code corresponding to the received buying signal; transmitting an access address of the NFT-tokenized gift certificate code corresponding to the received buying signal to a gift certificate receiving terminal; receiving a closure request to close the access address of the gift certificate code from the gift certificate receiving terminal when the gift certificate receiving terminal rejects receiving the gift certificate; and restoring the updated NFT-tokenized gift certificate code, in response to receiving the closure request.
    Type: Application
    Filed: November 30, 2022
    Publication date: May 30, 2024
    Applicant: TWOUZ Inc.
    Inventors: Hanjik RYU, Woo-Cheol LEE, Myoung-Gyun KANG
  • Publication number: 20240180041
    Abstract: The present invention relates to a heterojunction semiconductor substrate having excellent dielectric properties, a method of manufacturing the same, and an electronic device using the same. The present invention provides a heterojunction semiconductor substrate with improved interlayer adhesion, low leakage current, and excellent dielectric properties that maintain strength in a ferroelectric fatigue experiment by interposing a metal layer and a conductive metal oxide layer on a semiconductor substrate to form an epitaxial oxide thin film layer composed of perovskite piezoelectric oxide. The heterojunction semiconductor substrate can be applied to sensors, actuators, transducers, or MEMS devices that use the high functionality of the high-quality epitaxial oxide thin film layer, including applications in electronic and optical devices.
    Type: Application
    Filed: November 29, 2023
    Publication date: May 30, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung Hyub BAEK, Soo Young JUNG, Sunghoon HUR, Ji-Soo JANG, Jungho YOON, Hyun-Cheol SONG, Seong Keun KIM, Chong Yun KANG, Ji-Won CHOI, Jin Sang KIM
  • Publication number: 20240180043
    Abstract: Disclosed is a heterojunction semiconductor flexible substrate in which an epitaxial oxide thin film layer is hetero-bonded to a thinned silicon substrate using a metal layer, a manufacturing method thereof, and the heterojunction semiconductor flexible substrate can be applied to sensor, actuator, transducer, or micro electro mechanical systems (MEMS) device using high functionality of the epitaxial oxide thin film layer of high quality as well as an electronic and/or optical device.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 30, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seung Hyub BAEK, Min Seok KIM, Ji-Soo JANG, Sunghoon HUR, Jungho YOON, Hyun-Cheol SONG, Seong Keun KIM, Ji-Won CHOI, Jin Sang KIM, Chong Yun KANG
  • Patent number: 11994881
    Abstract: An identification method and an unmanned aerial vehicle (UAV) detection apparatus are provided. The identification method, as a method for preventing a collision that may occur in a process of detecting and identifying a plurality of UAVs flying in the air, detects a plurality of UAVs in the air and determines a legitimacy of flight of each of the plurality of UAVs using an identification information request message.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: May 28, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jinhyung Oh, Kyu-Min Kang, Jae Cheol Park, Dong Woo Lim, Su Na Choi, Sunghyun Hwang
  • Patent number: 11995019
    Abstract: A peripheral component interconnect express (PCIe) device includes a plurality of common functions performing operations associated with a PCIe interface according to a function type of each of the plurality of common functions, each of the plurality of common functions being programmable to be a function type selected from a plurality function types, and a function type controller determining the function type of each of the plurality of common functions based on function type setting information provided from a host. Each function type may be a physical function type, a virtual function type, or a disable function type.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: May 28, 2024
    Assignee: SK hynix Inc.
    Inventors: Yong Tae Jeon, Byung Cheol Kang, Seung Duk Cho
  • Publication number: 20240170654
    Abstract: A cathode active material for a lithium secondary battery according to an embodiment includes a plurality of a lithium metal oxide particle that include a core containing a lithium iron phosphate-based compound and being doped with at least one metal element of Ti, V and Mn; and a carbon coating formed of the core. A ratio of an intensity of a peak corresponding to PO4 relative to an intensity of a D band measured by a Raman spectroscopy analysis is in a range from 0.10 to 0.33.
    Type: Application
    Filed: September 1, 2023
    Publication date: May 23, 2024
    Inventors: Min Suk KANG, Ji Yae DO, Min Cheol BEAK, Jung Hyun YUN, Kwang Ho LEE, Hyun Ji LEE
  • Publication number: 20240170864
    Abstract: A plug connector coupled to a receptacle connector is presented, comprising: a conductor for signals; a ring-shaped conductor for ground, the conductor for ground surrounding the conductor for signals; a ring-shaped insulator surrounding the conductor for signals and being surrounded by the conductor for ground, and insulating between the conductor for signals and the conductor for ground; a lower body; and an upper body coupled onto the lower body. The conductor for signals includes a lower portion protruding below a first portion of the top of the insulator, a middle portion inserted into a hollow portion of the first portion, and an upper portion protruding above the first portion. The conductor for ground includes a lower portion protruding below the first portion and an upper portion surrounding the first portion. The lower body includes a lower housing, such that the upper portion is accommodated in the hollow portion.
    Type: Application
    Filed: March 3, 2022
    Publication date: May 23, 2024
    Applicants: SENSORVIEW CO., LTD., OKINS ELECTRONICS CO., LTD
    Inventors: Byoung Nam KIM, Kyoung Il KANG, Joung Min PARK, Sung Cheol CHO, Jin Kook JUN, Sung Gyu PARK, Soeung Chel JANG
  • Publication number: 20240170721
    Abstract: The present invention relates to an electrolyte solution and a secondary battery including the same. According to the present invention, the present invention has an effect of providing a secondary battery having improved charging efficiency and output due to low discharge resistance and having a long lifespan and excellent high-temperature capacity retention by suppressing gas generation and increase in thickness.
    Type: Application
    Filed: January 21, 2022
    Publication date: May 23, 2024
    Inventors: Min Jung JANG, Min Goo KIM, Young Rok LIM, Ji Young CHOI, Sang Ho LEE, Wan Chul KANG, Jong Cheol YUN, Ji Seong HAN, Hee Jeong RYU, Jae Won CHUNG
  • Publication number: 20240168911
    Abstract: A peripheral component interconnect express (PCIe) device includes a common function performing operations associated with a PCIe interface according to a function type, the common function being programmable to be a function type selected from a plurality function types, an access identification information controller generating first access identification information for allowing an access to the common function, and providing the first access identification information to an assigned system image to which the common function has been assigned, a data packet receiver receiving a data packet including target identification information indicating a target system image from the target system image, and an access allowance determiner determining whether or not to allow the target system image to access the common function based on the first access identification information and the target identification information.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 23, 2024
    Inventors: Yong Tae JEON, Byung Cheol KANG, Seung Duk CHO, Sang Hyun YOON, Se Hyeon HAN, Jae Young JANG
  • Patent number: 11981973
    Abstract: The present disclosure relates to a zinc plated steel sheet having excellent fatigue strength of electrical resistance spot welds and a method for manufacturing the same. According to an aspect of the present disclosure, a zinc plated steel sheet includes a base steel sheet and a zinc-based plating layer formed on a surface of the base steel sheet, wherein a concentration profile of one or two of oxygen, and silicon and manganese measured in a depth direction from the surface of the base steel sheet has a maximum point in the depth direction from the surface, and an absolute value of a difference between a depth at which the maximum point of the concentration profile of oxygen is formed and a depth at which the maximum point of the concentration profile of one of silicon and manganese is formed is 0.5 ?m or less.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: May 14, 2024
    Assignee: POSCO
    Inventors: Ki-Cheol Kang, Chung-Hwan Lee
  • Patent number: 11983890
    Abstract: A processor-implemented motion information estimating method includes: estimating motion information based on at least one set of initial motion information of a vehicle that is obtained from at least one sensor; predicting a plurality of sets of image feature information corresponding to a periphery of the vehicle based on the estimated motion information; obtaining a plurality of sets of detected image feature information detected from an input image obtained from an image sensor and an accuracy of each of the sets of the detected image feature information using a neural network; evaluating a reliability of each of the sets of the detected image feature information by comparing the sets of the predicted image feature information and the sets of the detected image feature information; and correcting the estimated motion information based on at least one set of the sets of the detected image feature information selected based on a result of the evaluating of the reliability and on the accuracy.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: May 14, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Woo Kang, Hyun Cheol Jeon, Kyungboo Jung
  • Publication number: 20240149751
    Abstract: A dual release actuator for a vehicle seat includes a motor, a cable carrier configured to receive power of the motor, thereby rotating to selectively pull one of two different cables, a Hall sensor to sense rotation of the motor, and a controller configured to count a sensing pulse of the Hall sensor for controlling rotation of the motor.
    Type: Application
    Filed: May 17, 2023
    Publication date: May 9, 2024
    Inventors: Jae Wook Kim, Sang Soo Lee, Deok Soo Lim, Hyun Wook Lim, Sang Ho Lee, Sang Hark Lee, Hak Cheol Lee, Deok Ki Kim, Byeong Deok Choi, Hoe Cheon Kim, Hwa Young Mun, Seung Yeop Lee, Cheol Hwan Yoon, Jung Bin Lee, Byung Ju Kang
  • Publication number: 20240154118
    Abstract: Cathode active materials for lithium secondary batteries and lithium secondary batteries including the cathode active materials are disclosed. In some implementations, a cathode active material for a lithium secondary battery includes a lithium metal phosphate particle having a crystallite size in a range from 150 nm to 450 nm in a direction of a crystallographic plane (020) as measured by an X-ray diffraction (XRD) analysis. In some implementations, a lithium secondary battery includes a cathode including a cathode active material layer that includes a cathode active material for a lithium secondary battery, and an anode facing the cathode. In some implementations, an electrode crystallite size ratio defined by Equation 4 is in a range from 0.5 to 0.9.
    Type: Application
    Filed: November 3, 2023
    Publication date: May 9, 2024
    Inventors: Ji Yae DO, Min Suk KANG, Min Cheol BEAK, Kwang Ho LEE, Wan Uk CHOI
  • Publication number: 20240140822
    Abstract: A water purifier is provided. A water purifier according to one aspect of the present invention may include a housing having a first accommodation space therein, and made of a paper material; a water purifier faucet disposed in the first accommodation space to receive raw water and discharge purified water; and a filter coupled to the water purifier faucet to generate the purified water by filtering the raw water, wherein the water purifier faucet includes a base frame having a second accommodation space therein in which the filter is accommodated; a water inlet module provided on one side of the base frame to supply raw water introduced from the outside to the filter; and a water outlet module provided on the other side of the base frame to receive the purified water generated by the filter and discharge it to the outside.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 2, 2024
    Applicant: COWAY Co., Ltd.
    Inventors: Eui Hwan LEE, Chan Jung PARK, Jun HER, Myeong Hoon KANG, Gyeong Cheol SIN, Sang Gu SIM
  • Patent number: 11971257
    Abstract: Disclosed is a method and apparatus with localization. The method includes determining a sensor-based reference position using a position sensor of the vehicle, determining an image-based reference position of the vehicle based on image information of the vehicle captured using a camera of the vehicle, setting an acceptance range for the image-based reference position based on a driving situation of the vehicle, and comparing an error level of the image-based reference position to the acceptance range and estimating a current position of the vehicle.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: April 30, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Cheol Jeon, Chul Woo Kang, Kyungboo Jung
  • Publication number: 20240124404
    Abstract: The present invention relates to a composition for preventing, improving, or treating diseases related to advanced glycation end products, comprising an indole derivative or a pharmaceutically acceptable salt thereof. Specifically, the composition of the present invention possesses the effect of trapping methylglyoxal (MGO), which is a main precursor of advanced glycation end products, and thus can be effectively used for preventing, improving, or treating diseases related to advanced glycation end products.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 18, 2024
    Inventors: Seung Yong SEO, San Ha LEE, Jung Eun LEE, Joon Seong HUR, Sang Il KWON, Sun Yeou KIM, Seong Min HONG, Min Cheol KANG, Myoung Gyu PARK, Eun Joo LEE