Patents by Inventor Seung-Ho Choi

Seung-Ho 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).

  • Publication number: 20250055026
    Abstract: Disclosed are a sulfide-based solid electrolyte doped with silver to have a novel composition, and an all-solid-state battery including the same. According to one aspect of the present disclosure for achieving the above-described technical purpose, there is provided a sulfide-based solid electrolyte comprising a compound represented by a following Chemical formula 1: Lia-bMbPcSdXe??[Chemical formula 1] wherein M includes at least one selected from the group consisting of Ag, Na, K, Rb, Cs, Fr, and a combination thereof, wherein X includes at least one selected from the group consisting of F, Cl, Br, I, and combinations thereof, wherein 0<a?15, 0.02?b?0.9, 0?c?3, 0<d?12, and 0?e?3.
    Type: Application
    Filed: August 7, 2024
    Publication date: February 13, 2025
    Inventors: Seung Ho CHOI, Ji Sang YU, Woo Suk CHO, Kyung Su KIM
  • Publication number: 20250054994
    Abstract: Disclosed are a negative-electrode-free all-solid-state battery and a method for manufacturing the same, in which the negative-electrode-free all-solid-state battery has a coating layer including a lithium alloy derived from a sulfide-based inorganic compound in which a lithium site is doped with a doping element, and thus has excellent electrochemical characteristics and life characteristics.
    Type: Application
    Filed: August 7, 2024
    Publication date: February 13, 2025
    Inventors: Seung Ho CHOI, Ji Sang YU, Woo Suk CHO, Kyung Su KIM
  • Patent number: 12202501
    Abstract: Disclosed are a system and a method for limiting the maximum acceleration of a motor driven vehicle. The system and method can estimate an acceleration from a speed of a motor driven vehicle, and limit the maximum acceleration of the motor driven vehicle to a level to exert constant traveling performance regardless of the total weight of the vehicle and road gradient conditions using the estimated acceleration as a control variable for limiting the maximum acceleration, thereby improving the ride comfort and the fuel efficiency.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: January 21, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Chang Eun Na, Hyun Seok Jang, Byung Jun Sung, Seung Ho Choi
  • Patent number: 12195573
    Abstract: The present invention relates to a modified conjugated diene-based polymer having controlled degree of branching, excellent affinity with a filler, and excellent processability properties and compounding properties, a method for preparing the same, and a rubber composition including the same. The modified conjugated diene-based polymer is prepared using a modifier represented by Formula 1 to include a functional group derived from the modifier in at least one terminal of the polymer chain: 1—wherein R1 to R3 and n are described herein.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: January 14, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Dong Gil Lee, Soo Yong Lee, Seung Ho Choi, Won Mun Choi
  • Patent number: 12184794
    Abstract: An apparatus for quantum-based physically unclonable functions is disclosed. The apparatus for quantum-based physically unclonable functions according to an embodiment of the present embodiment comprises a random nanostructure formed on a substrate by hydrothermal synthesis, wherein the random nanostructure emits a laser light of a predetermined pattern through the quantum activity of the random nanostructure.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: December 31, 2024
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Young Min Song, Young Lae Kim, Seung Ho Choi, Min Seok Kim, Jung Woo Leem
  • Publication number: 20240421801
    Abstract: A method for estimating a frequency band of a received signal is proposed. The method may include acquiring the received signal using an antenna, and determining a first signal detection number corresponding to a first wideband filter for passing the received signal among a plurality of wideband filters which are respectively set with a plurality of pre-determined wideband frequencies included in a wideband filter bank. The method may also include determining a second signal detection number corresponding to a second narrowband filter for passing the received signal among a plurality of narrowband filters which are respectively set with a plurality of pre-determined narrowband frequencies included in a narrowband filter bank. The method may further include estimating the frequency band of the received signal based on at least one of the first signal detection number and the second signal detection number.
    Type: Application
    Filed: May 13, 2024
    Publication date: December 19, 2024
    Inventors: Jung Hoon LEE, Seung Ho CHOI, Je Il JO
  • Patent number: 12116429
    Abstract: A modifier useful for modifying a polymer providing a functional group having affinity with a filler, particularly, a silica-based filler is provided. A modified conjugated diene-based polymer including a functional group derived from the modifier having excellent affinity with a filler and improved compounding properties, and a method for preparing the same are also provided.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: October 15, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Kyung Woo Kim, Soo Yong Lee, Seung Ho Choi, Dong Gil Lee, Tae Hee Lee
  • Patent number: 12095097
    Abstract: A current collector for electrodes according to the present disclosure may include: a polymer film; a metal piece provided on at least one of upper and lower surfaces of the polymer film or one side of at least one of edges of the polymer film; an adhesive portion provided on surfaces of the polymer film and the metal piece to cover a boundary portion of the polymer film and the metal piece; and a conductive material formed on the surfaces of the polymer film, the metal piece, and the adhesive portion.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: September 17, 2024
    Assignee: U&S ENERGY, INC.
    Inventors: Kyung Joon Kim, Seung Ho Choi
  • Publication number: 20240297310
    Abstract: A current collector for an electrode according to an embodiment of the present invention may include a base film, and a conductive material provided on at least one of upper and lower surfaces of the base film, in which the conductive material is divided into two or more parts in a length or width direction of the base film.
    Type: Application
    Filed: March 7, 2022
    Publication date: September 5, 2024
    Inventors: Kyung Joon KIM, Seung Ho CHOI, Young Hun JIN
  • Patent number: 11927995
    Abstract: A display device includes a base substrate including a display area and a non-display area at a periphery of the display area; a first signal wiring on the non-display area of the base substrate and including a first wiring part and a second wiring part connected to the first wiring part; and a printed circuit board including a lead wiring on the first signal wiring. The second wiring part includes an open part passing through a surface of the second wiring part in a thickness direction, the second wiring part includes a long side extending along a first direction and a short side extending along a second direction intersecting the first direction, and a separation distance between the open part and an end of the short side of the second wiring part in the first direction is within about 0.4 times the long side of the second wiring part.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myong Soo Oh, Seung Ho Choi, Ji Hoon Hwang
  • Patent number: 11925118
    Abstract: A method of inactivating harmful microorganisms of a filtration medium including pathogenic bacteria and viruses is disclosed which includes placing a predetermined quantity of a hybridized fluorescent silk on to a filtration medium, applying light for a predetermined amount of time to the placed quantity of the hybridized fluorescent silk, and passing a fluid through the medium, wherein the fluid is one of substantially air or substantially water, wherein the hybridized fluorescent silk is one of KillerRed, SuperNova, KillerOrange, Dronpa, TurboGFP, mCherry, or any combination thereof.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: March 5, 2024
    Assignee: Purdue Research Foundation
    Inventors: Jung Woo Leem, Seung Ho Choi, Young L. Kim
  • Patent number: 11925117
    Abstract: A method of disinfection of a surface of a subject of harmful microorganisms including pathogenic bacteria and viruses upon visible light irradiation using a hybridized fluorescent silk is provided. The method includes placing a predetermined quantity of the hybridized fluorescent silk i) directly on to a skin surface of a subject; or ii) on a medium and then placing the medium on the skin surface of the subject. The method further includes applying light in the visible spectrum for a predetermined amount of time to the placed quantity of hybridized fluorescent silk, wherein the hybridized fluorescent silk is one of KillerRed, SuperNova, KillerOrange, Dronpa, TurboGFP, mCherry, or any combination thereof.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: March 5, 2024
    Assignee: Purdue Research Foundation
    Inventors: Jung Woo Leem, Seung Ho Choi, Young L. Kim
  • Publication number: 20240047771
    Abstract: Disclosed is an atmospheric shielding type analysis device for a cross-section of a battery cell and an analysis method using the same. The device comprises 1) a body member comprising a bottom plate, a side wall, and an inner space partitioned by the bottom plate and the side wall; 2) a cover member; 3) a first conductive wire member penetrating one side wall of the body member; 4) a first mounting member comprising a first substrate having a shape of a plate and being coupled to an end of the first conductive wire member; 5) a second conductive wire member penetrating another side wall of the body member; 6) a second mounting member comprising a second substrate having a shape of a plate and being coupled to an end of the second conductive wire member; 7) a gas inlet; and 8) a gas outlet.
    Type: Application
    Filed: November 30, 2022
    Publication date: February 8, 2024
    Inventors: Yun Sung Kim, Tae Hoon Hwang, Seung Ho Choi, Ga Hyeon Im, Jae Pyoung Ahn, Hae Ryoung Kim, Hyun Jeong Lee
  • Publication number: 20230402616
    Abstract: A current collector for a positive electrode according to the present invention may include a base film, a conductive material provided on at least one of upper and lower surfaces of the base film, a metal piece provided on the upper or lower surface of the base film and electrically connected to the conductive material, and a lead tab joined to any one of the metal piece, the conductive material, and the base film and electrically connected to the conductive material, in which the conductive material is positioned between the metal piece and the base film or between the lead tab and the base film, and in which the lead tab is welded to one of the metal pieces provided on the upper and lower surfaces of the base film or welded to the metal piece provided on one surface of the base film that faces the lead tab.
    Type: Application
    Filed: September 7, 2020
    Publication date: December 14, 2023
    Inventors: Kyung Joon KIM, Seung Ho CHOI, Young Hun JIN
  • Publication number: 20230327066
    Abstract: Disclosed are an all-solid-state battery which is provided with an intermediate layer provided on an anode current collector and formed of an alloy including a metal configured to form an alloy with lithium, and a method for manufacturing the same. The all-solid-state battery includes the anode current collector, the intermediate layer located on the anode current collector, a solid electrolyte layer located on the intermediate layer, a cathode active material layer located on the solid electrolyte layer, and a cathode current collector located on the cathode active material layer, and the intermediate layer includes the alloy of a first metal configured to form an alloy with lithium and a second metal configured not to form an alloy with lithium.
    Type: Application
    Filed: November 17, 2022
    Publication date: October 12, 2023
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Ju Min Kim, Seung Ho Choi, Tae Young Kwon, Soon Chul Byun
  • Patent number: 11777102
    Abstract: A current collector for electrodes according to an embodiment of the present disclosure may include a polymer film, and a conductive material provided on at least one surface of upper and lower surfaces of the polymer film, wherein the conductive material may have a function of an electrochemical fuse or a function of blocking a short-circuit current.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: October 3, 2023
    Assignee: U&S ENERGY, INC.
    Inventors: Kyung Joon Kim, Seung Ho Choi
  • Patent number: 11758810
    Abstract: A photoelectric device is disclosed. The photoelectric device includes a first electrode, a second electrode, and an electrolyte disposed between the first electrode and the second electrode. The second electrode includes a transparent layer for allowing light to penetrate into the second electrode, an electron transport layer coupled to the transparent layer, and a genetically hybridized fluorescent silk layer as a photo-sensitizer coupled to the electron transport layer.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: September 12, 2023
    Assignee: Purdue Research Foundation
    Inventors: Jung Woo Leem, Seung Ho Choi, Young L. Kim
  • Publication number: 20230275203
    Abstract: Disclosed are an all-solid-state battery having a protective layer including a composite including a metal sulfide and a carbon component, and a method for manufacturing the same. The all-solid-state battery includes an anode current collector, the protective layer disposed on the anode current collector, a solid electrolyte layer disposed on the protective layer, a cathode active material layer disposed on the solid electrolyte layer, and a cathode current collector disposed on the cathode active material layer, and the protective layer includes a matrix comprising the composite including the metal sulfide and the carbon component, and a metal component distributed in the matrix and capable of alloying with lithium.
    Type: Application
    Filed: December 9, 2022
    Publication date: August 31, 2023
    Inventors: Ga Hyeon Im, Seung Ho Choi, Sang Heon Lee, Yun Sung Kim
  • Publication number: 20230238538
    Abstract: A cathode for an all-solid-state battery includes a conductive material wherein the conductive material includes a carbon-based material and a metal fluoride disposed on the surface of the carbon-based material, and a method of manufacturing the same. The cathode for an all-solid-state battery includes a cathode active material, a solid electrolyte, and a conductive material, wherein the conductive material includes a carbon-based material and a metal fluoride disposed on a surface of the carbon-based material.
    Type: Application
    Filed: December 12, 2022
    Publication date: July 27, 2023
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Seung Ho Choi, Yun Sung Kim, Kyu Joon Lee, Sang Heon Lee, Ga Hyeon Im
  • Patent number: 11702497
    Abstract: A modified conjugated diene-based polymer represented by Formula 1, wherein a terminal of a polymer chain is modified, and a method for preparing same are provided. By including a modifier derived unit having a specific structure, a beta value affecting cold flow may be reduced through controlling the degree of branch, and accordingly, the cold flow of a polymer may be efficiently controlled and a mooney viscosity increasing ratio may be improved.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: July 18, 2023
    Inventors: Soo Yong Lee, Dong Gil Lee, Won Mun Choi, Seung Ho Choi