Patents by Inventor Ji-hoon Jang

Ji-hoon Jang 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: 20240136538
    Abstract: Disclosed is an ionomer for a high-temperature polymer electrolyte membrane fuel cell, which includes a phosphorus (P)-containing functional group having proton conductivity and partially contains fluorine in the main chain thereof.
    Type: Application
    Filed: December 20, 2022
    Publication date: April 25, 2024
    Inventors: Won Jae Choi, Songi Oh, Da Hee Kwak, Ji Hoon Jang, Sung Hee Shin, Jae Suk Lee, Hye Min Oh, In Gyu Bak
  • Publication number: 20240124301
    Abstract: Disclosed is a single process for producing hydrogen, carbon monoxide, and carbon from methane by forming gas products comprising hydrogen and carbon monoxide, and solid products comprising carbon and an iron-based catalyst from methane in a methane-containing feedstock through pyrolysis route involving auto-thermal reduction in a rotary kiln-type reactor in the presence of an iron-based catalyst and separating and recovering respective products.
    Type: Application
    Filed: September 18, 2023
    Publication date: April 18, 2024
    Inventors: Dong Min YUN, Jung Geun JANG, Ji Hoon LEE, Ye Rhee CHA
  • Patent number: 11963445
    Abstract: Provided are a compound capable of improving the light-emitting efficiency, stability, and lifespan of an element; an organic electronic element using same; and an electronic device thereof.
    Type: Grant
    Filed: August 9, 2023
    Date of Patent: April 16, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Ji Hyun Park, Se Hoon Lee, Jae Wan Jang, Hyung Dong Lee, Yun Suk Lee
  • Publication number: 20240114414
    Abstract: Provided are a method and apparatus for providing a network switching service to a user equipment.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 4, 2024
    Applicant: KT CORPORATION
    Inventors: Ji-Young JUNG, Kun-Woo PARK, Se-Hoon KIM, Il-Yong KIM, Sang-Hyun PARK, Ho-Jun JANG, Won-Chang CHO
  • Publication number: 20240113277
    Abstract: In a method of manufacturing a cathode active material for a lithium secondary battery, a preliminary lithium metal oxide particle is prepared. The preliminary lithium metal oxide particle is cleaned using a boron compound cleaning solution. A cathode active material for a lithium secondary particle includes a lithium metal oxide particle where a ratio of a B+ peak intensity relative to a sum of peak intensities of Li+, B+ and LiB+ fragments by a TOF-SIMS analysis is in a range from 0.03% to 1.5%.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 4, 2024
    Inventors: Sang Bok Kim, Ji Hoon Choi, Jik Soo Kim, Mi Jung Noh, Dong Il Jang, Dong Wook Ha
  • Publication number: 20240101953
    Abstract: The present application relates to a novel strain of the genus Schizochytrium (Schizochytrium sp.) and a method of producing polyunsaturated fatty acids by using the same. According to one aspect, novel microalgae of the genus Schizochytrium have a high content of fat in biomass, and particularly, a high content of polyunsaturated fatty acids such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), and therefore, the microalgae, and biomass or bio-oil prepared therefrom, may be useful as a feed source or the like.
    Type: Application
    Filed: November 8, 2021
    Publication date: March 28, 2024
    Inventors: Jung Woon CHOI, Sung Hoon JANG, Ji Young KIM, Won Sub SHIN, Hae Won KANG
  • Publication number: 20240106794
    Abstract: Provided are a method and apparatus for a user equipment, a core network, and a second device to enable bidirectional communication for second devices. The method of the second device may include receiving internet protocol (IP) configuration information for automatically configuring an IP version 6 (IPv6) address of the second device from a core network through a user equipment; generating the IPv6 address using information in the IP configuration information; and transmitting the generated IPv6 address to the core network through the UE.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 28, 2024
    Applicant: KT CORPORATION
    Inventors: Won-Chang CHO, Se-Hoon KIM, Il-Yong KIM, Kun-Woo PARK, Sang-Hyun PARK, Ho-Jun JANG, Ji-Young JUNG
  • Publication number: 20240098022
    Abstract: Provided are a method and apparatus for providing a multi virtual local area network service to user equipments.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 21, 2024
    Applicant: KT CORPORATION
    Inventors: Ho-Jun JANG, Se-Hoon KIM, Won-Chang CHO, Sang-Hyun PARK, Kun-Woo PARK, Ji-Young JUNG
  • Publication number: 20240027536
    Abstract: A battery SOH estimating apparatus according to an embodiment of the present disclosure includes a SOH estimating unit configured to estimate a first SOH of a battery based on the measured voltage and current of the battery; a SOC change calculating unit configured to calculate a SOC change region and a SOC change amount of the battery based on the measured voltage; a weight calculating unit configured to calculate a weight based on a SOC region factor calculated by comparing the SOC change region with a preset criterion SOC region, a SOC change amount factor based on the SOC change amount, and a temperature factor based on the measured temperature of the battery; and a SOH correcting unit configured to correct the first SOH according to the calculated weight and a preset second SOH.
    Type: Application
    Filed: June 14, 2022
    Publication date: January 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hyun HAN, Gyu-Yeol LEE, Ji-Hoon JANG, Soo-Bin SONG
  • Patent number: 11870073
    Abstract: The embodiments herein provide for an oxygen/air cathode that includes metal-organic frameworks and/or hybrids of metal-organic frameworks and carbon networks. The metal-organic-framework-based Li—O2 cells are operated in humid O2 where water plays a critical role in improving battery performance. Such embodiments not only improve battery performance but also reduces the cost by cycling the Li—O2 batteries in humid oxygen with MOF@CNT hybrid catalysts.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: January 9, 2024
    Assignees: Washington State University, Hyundai Motor Company, Kia Corporation
    Inventors: Min-Kyu Song, Xiahui Zhang, Wonkeun Kim, Ji-hoon Jang
  • Patent number: 11848452
    Abstract: Provided is a method of preparing a ternary alloy catalyst that includes irradiating ultrasonic waves to a precursor admixture including a precursor of a noble metal, a precursor of a first transition metal, a precursor of a second transition metal, and a carrier. Particularly, the precursor of the second transition metal is an acetate-based precursor.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: December 19, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ji-Hoon Jang, Jee Youn Hwang, Eunjik Lee
  • Patent number: 11845071
    Abstract: Disclosed is a method of preparing an intermetallic catalyst that includes irradiating ultrasonic waves to a precursor admixture including a noble metal precursor, a transition metal precursor, and a carrier to form core-shell particles including a transition metal oxide coating layer; the annealing the core-shell particles to form intermetallic particles including a transition metal oxide coating layer; and the removing the transition metal oxide coating layer from the intermetallic particles.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: December 19, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Ji-Hoon Jang, Eunjik Lee, Dahee Kwak, Jee Youn Hwang, Songi Oh
  • Patent number: 11848453
    Abstract: Provided is a method of preparing an intermetallic catalyst which includes applying ultrasonic wave to a precursor mixture solution including a noble metal precursor, a transition metal precursor, and a carbon support having an average pore size of about 6 nm to about 15 nm and a specific surface area of about 200 m2/g to about 2000 m2/g to form alloy particles in pores of the carbon support, and annealing the alloy particles in the pores of the carbon support to form intermetallic alloy particles.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: December 19, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Jee Youn Hwang, Eunjik Lee, Dahee Kwak, Ji-Hoon Jang, Songi Oh
  • Publication number: 20230387511
    Abstract: A metal-carbon dioxide battery and a hydrogen generation and carbon dioxide storage system including the same are disclosed. The metal-carbon dioxide battery includes: a first plate with a designated area; a second plate with a designated area and spaced apart from the first plate by a distance in an X-axis direction; a separator between the first and second plates; a frame-shaped spacer disposed between the first plate and the separator with a space between the first plate and the separator; a plurality of anode sheets in the space; a pressing unit in the space between the first plate and the anode sheets and biasing the anode sheets toward the separator; and a cathode between the second plate and the separator.
    Type: Application
    Filed: December 21, 2022
    Publication date: November 30, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Yun Su Lee, Ji Hoon Jang, Dongil Lee, Yongsung Jo
  • Patent number: 11824208
    Abstract: Provided is a method of preparing an intermetallic catalyst. The method includes form core-shell particles including a transition metal oxide coating layer by irradiating ultrasonic waves to a precursor mixture solution including a noble metal precursor, a transition metal precursor, and a carrier to; forming intermetallic particles including a transition metal oxide coating layer by annealing the core-shell particles; and removing the transition metal oxide coating layer from the intermetallic particles.
    Type: Grant
    Filed: June 15, 2021
    Date of Patent: November 21, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Songi Oh, Jee Youn Hwang, Dahee Kwak, Ji-Hoon Jang, Eunjik Lee
  • Publication number: 20230369683
    Abstract: A metal-carbon dioxide battery and a hydrogen generation and carbon dioxide storage system including the battery are disclosed. The metal-carbon dioxide battery includes a first plate, a second plate, a separator interposed between the first plate and the second plate, a first gasket interposed between the first plate and the separator to define a gap between the first plate and the separator, an anode material accommodated in the gap and having a shape of a pellet, and a cathode interposed between the second plate and the separator.
    Type: Application
    Filed: December 7, 2022
    Publication date: November 16, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Yun Su Lee, Ji Hoon Jang, Dong Il Lee, Yong Sung Jo
  • Publication number: 20230369625
    Abstract: A high-temperature polymer electrolyte membrane fuel cell including a polymer of intrinsic microporosity that prevents phosphoric acid poisoning and a method for manufacturing the same are disclosed. It is possible to improve the electrochemical efficiency of high-temperature polymer electrolyte membrane fuel cells based on development of a polymer of intrinsic microporosity with thermal stability and cationic conductivity.
    Type: Application
    Filed: December 22, 2022
    Publication date: November 16, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Da Hee Kwak, Jee Youn Hwang, Won Jae Choi, Songi Oh, Sung Hee Shin, Ah Hyeon Park, Ji Hoon Jang, Hyoun Myung Park, Kyung Su Kim, Chang Sik Song
  • Publication number: 20230290977
    Abstract: Disclosed is a performance evaluation apparatus of a fuel cell electrode. The performance evaluation apparatus includes a working electrode unit configured such that a working electrode is disposed therein, gas is supplied to an inside of the working electrode unit, and voltage and current are measured by a current collection rod, a counter electrode unit provided to guide mounting of the working electrode unit so that a counter electrode faces the working electrode, and configured to store an electrolyte solution, current is measured by the current collection rod, and voltage is measured by a reference electrode immersed in the electrolyte solution, a heater unit immersed in the electrolyte solution to heat the electrolyte solution, and a control unit configured to selectively adjust a temperature of the heater unit within a set temperature range, and to evaluate performance of the working electrode.
    Type: Application
    Filed: November 9, 2022
    Publication date: September 14, 2023
    Inventors: Songi Oh, Won Jae Choi, Da Hee Kwak, Ji Hoon Jang, Sung Hee Shin, Chan Ho Pak, Do Hyung Kim, Hyeon Seung Jung
  • Publication number: 20230253592
    Abstract: Disclosed are an ionic conductivity measurement device and method for a fuel cell, which enable accurate measurement of ionic conductivity of a membrane electrode assembly for a fuel cell under various conditions. The ionic conductivity measurement device includes a main body frame, a clamp handle mounted to the upper portion of the main body frame, a lift shaft connected to the clamp handle so as to be movable upwards and downwards, a motion jig mounted to the main body frame so as to be movable upwards and downwards and including an upper support frame connected to the lower end of the lift shaft and a specimen support frame connected to the upper support frame, a lower support frame mounted to the lower end portion of the main body frame, an upper probe pin mounted to the upper support frame, and a lower probe pin mounted to the lower support frame.
    Type: Application
    Filed: December 20, 2022
    Publication date: August 10, 2023
    Inventors: Sung Hee SHIN, Jee Youn Hwang, Won Jae Choi, Yun Su Lee, Da Hee Kwak, Hyoun Myung Park, Si Won Kim, Ah Hyeon Park, Ji Hoon Jang, Songi Oh
  • Publication number: 20230185792
    Abstract: Systems and methods include reception of a workload statement, determination of whether the workload statement is a read statement or write statement, and, if the workload statement is a read statement, execution of the read statement to generate a first result set and transmission of the read statement for execution by a second database system to generate a second result set. If the workload statement is a write statement, the write statement is executed to change data of the first database system and the changed data is replicated to the second database system.
    Type: Application
    Filed: December 13, 2021
    Publication date: June 15, 2023
    Inventors: Ji Hoon JANG, Juchang LEE, Changgyoo PARK, Myunggon PARK