Patents by Inventor Joo A Choi

Joo A 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: 20240174962
    Abstract: The disclosure relates to a functional membrane, a microfluidic chip including the same, and a method of manufacturing the microfluidic chip. The functional membrane according to an embodiment includes a membrane having one or more pores, and a coating material covering the pores, on at least one surface of the membrane.
    Type: Application
    Filed: March 24, 2022
    Publication date: May 30, 2024
    Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Joo Hun Kang, Brian Choi, Jeongwon Choi, Tae-eun Park
  • Patent number: 11996369
    Abstract: In one example, an electronic device, comprises a first substrate comprising a first conductive structure, a second substrate comprising a second conductive structure, wherein the first substrate is over the second substrate, a first electronic component between the first substrate and the second substrate, a vertical interconnect between the first substrate and the second substrate, wherein the vertical interconnect is coupled with the first conductive structure and the second conductive structure, and an encapsulant between the first substrate and the second substrate and covering the vertical interconnect. A vertical port on the first electronic component is exposed by an aperture of the first substrate. Other examples and related methods are also disclosed herein.
    Type: Grant
    Filed: October 25, 2022
    Date of Patent: May 28, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Myung Jea Choi, Gyu Wan Han, Gi Tae Lim, Dong Joo Park, Ji Hun Yi, Jin Young Khim
  • Publication number: 20240162506
    Abstract: A battery pack includes a pair of battery modules having at least one pair of first grip grooves and at least one connector formed at a top thereof, a supporting plate coupled to a bottom of the pair of battery modules and fixed to the ground and a BMS assembly having a guide protrusion inserted into the first grip groove and coupled to the pair of battery modules in a plug-in type by means of the connector.
    Type: Application
    Filed: March 4, 2021
    Publication date: May 16, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jae-Ki LEE, Jae-Hong KIM, Bum-Hyun LEE, Eung-Gyu LEE, Jae-Bum LIM, Yeo-Joo CHOI
  • Publication number: 20240154110
    Abstract: Cathodes and lithium secondary batteries including the cathodes are disclosed. In some implementations, a cathode may include a cathode current collector and a cathode active material layer disposed on the cathode current collector and including cathode active material particles such that the cathode active material layer satisfies a specific equation. The cathode active material particles may include lithium metal oxide particles that include nickel, and may have a mole fraction of cobalt of 0.02 or less with respect to all elements except for lithium and oxygen.
    Type: Application
    Filed: August 28, 2023
    Publication date: May 9, 2024
    Inventors: Yong Seok LEE, Jeong Hoon JEUN, Jae Ram KIM, Jae Yun MIN, Ki Joo EOM, Myung Ro LEE, Hyun Joong JANG, Je Nam CHOI
  • Publication number: 20240150671
    Abstract: Provided is a lubricating oil composition including a lubricating oil additive and a lubricating oil, the lubricating oil additive having nanodiamonds, of which a surface is hydrophobically modified by a surface treatment, dispersed in a base oil. The lubricating oil composition retains dispersibility over a long period of time and thus can ensure storage stability. Machines to which the lubricating oil composition is applied may have improved abrasion resistance as well as improved fuel consumption and reduced noise, and high thermal conductivity of the lubricating oil composition may also increase cooling efficiency and the service life of machines.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 9, 2024
    Applicant: KONASOL CO., LTD.
    Inventors: Yeon Joo BAE, Keum Cheol HWANG, Im Joo CHOI
  • Patent number: 11978602
    Abstract: A switch apparatus, includes: a base module including a base case, and a moving magnet movably mounted in the base case; and a manipulation module including a manipulation case, and a first magnet fixedly mounted in the manipulation case, wherein the moving magnet moves between a hold position and a releasable position, the hold position refers to a position in which the manipulation module is held onto the base module as an attractive force acts between the moving magnet and the first magnet, and the releasable position refers to a position in which the manipulation module is releasable from the base module as a repulsive force acts between the moving magnet and the first magnet.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: May 7, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, NOVATECH CO., LTD, ALPS ELECTRIC KOREA CO., LTD.
    Inventors: Sang Hoon Shin, Hoo Sang Lee, Jong Hyun Choi, Dae Woo Park, Youn Tak Kim, Nam I Jo, Choon Teak Oh, Hong Jun Choi, Kon Hee Chang, Woo Joo Ahn
  • Publication number: 20240146006
    Abstract: This disclosure relates to a connector comprising a first RF contact; a second RF contact spaced apart from the first RF contact in a first axis direction; an insulation part; and a cover shell, wherein the first RF contact includes a (1-1)th RF linker member for connecting with an RF contact of the other connector; a (1-2)th RF linker member spaced apart from the (1-1)th RF linker member on the basis of a second axis direction perpendicular to the first; and a first RF linker member arranged between the (1-1)th RF linker member and the (1-2)th RF linker member on the basis of the second axis direction, the insulation part includes a first RF inspection window arranged between the (1-1)th RF linker member and the (1-2)th RF linker member on the basis of the second axis direction, and the first RF linker member is exposed through the first RF inspection window.
    Type: Application
    Filed: March 20, 2022
    Publication date: May 2, 2024
    Inventors: Su Chan LEE, Kyung Hae CHOI, Jung Hoon CHOI, Hyun Joo HWANG
  • Publication number: 20240131232
    Abstract: Disclosed is an anti-adhesion agent composition which uses a high molecular weight compound having biocompatibility and an oil derived from animals, plants, and minerals so as to improve low viscosity and low strength, which are problems of existing anti-adhesion agents, and prevent adhesion between living tissues. The anti-adhesion composition according to the present disclosure performs a physical barrier function through simple mixing of a polymer material, serving as a physical barrier in its anti-adhesion effect, and a solvent, and remains in the body for a certain period of time, then decomposes, absorbs, and is excreted. The anti-adhesion composition does not interfere with the healing of the wound after surgery, and exhibits an excellent effect of convenient application to the surgical site.
    Type: Application
    Filed: June 13, 2022
    Publication date: April 25, 2024
    Inventors: Sung Joo Hwang, Dong Min Kim, Ji Eun Kim, Yeon Ju Choi, Yong Kyung Hwang
  • Publication number: 20240128653
    Abstract: Disclosed is a meta-structure. The meta-structure includes a lower electrode, a lower insulating layer on the lower electrode, a lower metal oxide layer on the lower insulating layer, a metal layer on the lower metal oxide layer, an upper metal oxide layer on the metal layer, an upper insulating layer on the upper metal oxide layer, and antenna electrodes on the upper insulating layer.
    Type: Application
    Filed: June 28, 2023
    Publication date: April 18, 2024
    Inventors: Yong Hae KIM, Chi-Sun HWANG, Joo Yeon KIM, Jaehyun MOON, Jong-Heon YANG, Kyunghee CHOI, Ji Hun CHOI
  • Publication number: 20240126396
    Abstract: An electronic apparatus includes an electronic panel including a plurality of sensing groups spaced apart from each other, and an electronic module overlapping with the electronic panel in a plan view. Each of the sensing groups includes a first sensing electrode extending in a second direction, and second sensing electrodes spaced apart from each other in the second direction, located on the same layer as the first sensing electrode, and face the first sensing electrode in a first direction. An opening overlapping with the electronic module and penetrating a first sensing group of the sensing groups is defined in the electronic panel, and at least one selected from the first sensing electrode and the second sensing electrodes of the first sensing group extends along an edge of the opening.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 18, 2024
    Inventors: Joo-Hyeon JEONG, Taejoon KIM, Hyun-Wook CHO, Jaewoo CHOI
  • Publication number: 20240123837
    Abstract: A method of controlling an add-on mobility includes measuring a force in a front-rear direction between a main body vehicle and the add-on mobility by a force sensor connecting the main body vehicle and the add-on mobility and controlling a driving force and a braking force of the add-on mobility according to a magnitude of the force in the front-rear direction measured by the force sensor.
    Type: Application
    Filed: April 19, 2023
    Publication date: April 18, 2024
    Inventors: Hyuk Joon Kwon, Buhm Joo Suh, Woul Sun Choi, Seung Wook Lee, Tal Chol Kim, Yeong Il Choi
  • Publication number: 20240130144
    Abstract: A semiconductor package includes: a first redistribution layer including a first insulating layer and a first conductive pattern disposed in the first insulating layer; a first connection terminal disposed on a first surface of the first redistribution layer; a stacked memory module disposed on second surface of the first redistribution layer; a second redistribution layer disposed on the stacked memory module, and including a second insulating layer and a second conductive pattern disposed in the second insulating layer; a first bump disposed on a first surface of the second redistribution layer, and in contact with the stacked memory module; a first semiconductor chip disposed on second surface of the second redistribution layer; and a dummy structure disposed between the first redistribution layer and the second redistribution layer and spaced apart from the stacked memory module.
    Type: Application
    Filed: September 11, 2023
    Publication date: April 18, 2024
    Inventor: Dong Joo CHOI
  • Publication number: 20240130232
    Abstract: The present specification relates to a heterocyclic compound, an organic light emitting device, and a composition for an organic material layer of an organic light emitting device.
    Type: Application
    Filed: July 25, 2023
    Publication date: April 18, 2024
    Applicant: LT MATERIALS CO., LTD.
    Inventors: Hyun-Joo LEE, Geon-Yu PARK, Young-Seok NO, Dong-Jun KIM, Dae-Hyuk CHOI
  • Patent number: 11961775
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: April 16, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Publication number: 20240120224
    Abstract: A semiconductor manufacturing equipment may include a process chamber for treating a substrate; a front-end module including a first transfer robot, wherein the first transfer robot may be configured to transport the substrate received in a container; a transfer chamber between the front-end module and the process chamber, wherein the transfer chamber may be configured to load or unload the substrate into or out of the process chamber; and a cassette capable of receiving a replaceable component capable of being used in the process chamber. The front-end module may include a seat plate configured to move in a sliding manner so as to retract or extend into or from the front-end module. The cassette may be configured to be loaded into the front-end module while the cassette is seated on the seat plate.
    Type: Application
    Filed: September 12, 2023
    Publication date: April 11, 2024
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin Hyuk CHOI, Beom Soo HWANG, Kong Woo LEE, Myung Ki SONG, Ja-Yul KIM, Kyu Sang LEE, Hyun Joo JEON, Nam Young CHO
  • Patent number: 11954855
    Abstract: Disclosed are a drug evaluation method and apparatus. The drug evaluation method includes acquiring cell images in response to a drug to be evaluated, loading an image processing-based learning model trained so as to predict molar concentrations, outputting molar concentrations of cells corresponding to the cell images by applying the learning model to the acquired cell images, and calculating a drug evaluation value used to evaluate effects of the drug on the cells based on the molar concentrations of the cells corresponding to the cell images output through the learning model.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: April 9, 2024
    Assignee: DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jong Wuk Son, Kook Rae Cho, Eun Joo Kim, Eun Sook Choi
  • Patent number: 11953273
    Abstract: Proposed is a heat dissipating device using turbulent flow. In the heat dissipating device, a plurality of block flow paths are formed in parallel inside a block body, a first cap and a second cap are mounted on side surfaces of the respective ends of the block body so as to connect the block flow paths, a working fluid flows into the block flow paths, and the working fluid which has passed through the block flow paths is transferred to the outside. Turbulence generators are mounted inside the block flow paths, and finishing end portions on the respective ends of the turbulence generators are supported by the first cap and the second cap and are positioned inside the block flow paths.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: April 9, 2024
    Assignee: HYOSUNG HEAVY INDUSTRIES CORPORATION
    Inventors: Chang Woo Han, Young Joo Kim, Kang Min Choi, Seung Boong Jeong
  • Publication number: 20240110170
    Abstract: The present disclosure relates to a modified polypeptide having xylanase activity and the use thereof.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 4, 2024
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Tae Joo YANG, Jihyun SHIM, Eun Jung CHOI, Byung-sam SON, Jae Yong PARK
  • Publication number: 20240100929
    Abstract: A powertrain apparatus for an electric vehicle, includes a planetary gear set including three rotation elements, a first motor connected to a first rotation element of the planetary gear set, a differential engaged to a second rotation element of the planetary gear set, a second motor connected to a third rotation element of the planetary gear set, and a synchronizer configured to selectively connect or disconnect between a driveshaft coupled to one side of the differential and the second motor and to selectively connect or disconnect between the second rotation element of the planetary gear set and the third rotation element of the planetary gear set.
    Type: Application
    Filed: March 2, 2023
    Publication date: March 28, 2024
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Hyuk Joon KWON, Buhm Joo SUH, Woul Sun CHOI, Seung Wook LEE, Tal Chol KIM, Yeong II CHOI
  • Publication number: 20240103247
    Abstract: A lens assembly includes a lens barrel, a plurality of lenses arranged inside the lens barrel along an optical axis, and a cover member fixed to an end of the lens barrel on a subject side and fixing a last lens of the plurality of lenses on the subject side, wherein outer diameters of the plurality of lenses decrease from the subject side to an image side, and an outer diameter of the lens barrel is constant or smaller from the subject side to the image side.
    Type: Application
    Filed: July 20, 2023
    Publication date: March 28, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seong Jin CHOI, Young Suk KANG, Yong Joo JO