Patents by Inventor Yeol Choi

Yeol 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: 20220208476
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes disposed with the dielectric layer interposed therebetween and disposed in point-symmetry with each other; first and second connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the first internal electrode; third and fourth connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the second internal electrode; first and second external electrodes disposed on both surfaces of the body and connected to the first and second connection electrodes; and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes, and the first and second internal electrodes include a region in which an electrode is not disposed.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung LEE, Min Gon LEE, Jea Yeol CHOI, Jin Man JUNG, Jin Kyung JOO
  • Publication number: 20220185222
    Abstract: Disclosed is an airbag apparatus capable of safely protecting a passenger by increasing the width of an airbag cushion in a leftward-rightward direction when the passenger comes into contact with the airbag cushion. The airbag apparatus includes: a first tether disposed inside the airbag cushion in a forward-backward direction, and a second tether disposed inside the airbag cushion in the leftward-rightward direction and connected to the first tether. When the passenger comes into contact with the airbag cushion upon deployment of the airbag cushion, the width of the airbag cushion in the leftward-rightward direction is increased.
    Type: Application
    Filed: July 29, 2021
    Publication date: June 16, 2022
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventor: Jun Yeol CHOI
  • Publication number: 20220168815
    Abstract: A metal 3D printer includes a base unit including a fixed part, a first moving part disposed on the fixed part to move in a first direction, a second moving part disposed on the first moving part to move in a second direction, and a third moving part disposed on the second moving part to move in a third direction, a nozzle unit coupled to the second moving part to move in the first and second directions and move in the third direction and injecting a material for manufacturing a sculpture, a processing unit coupled to the third moving part to move in the first to third directions and processing the sculpture, a table unit disposed rotatably to the fixed part and disposed below the nozzle unit, and a heating unit disposed on the fixed part.
    Type: Application
    Filed: September 14, 2021
    Publication date: June 2, 2022
    Applicant: PISTIS Co., Ltd
    Inventor: Byeong Yeol Choi
  • Publication number: 20220139674
    Abstract: A power system for a plasma processing system and associated methods are disclosed. The power system comprises a generator with a frequency-tuning subsystem, a match network coupled between the plasma processing chamber and the generator, and means for adjusting an impedance of the match network so the frequency-tuning subsystem adjusts a frequency of power applied by the generator to a target frequency while the match network presents a desired impedance to the generator in response to variations in an impedance of a plasma in a plasma processing chamber.
    Type: Application
    Filed: October 26, 2021
    Publication date: May 5, 2022
    Inventors: Denis Shaw, Myeong Yeol Choi
  • Patent number: 11306374
    Abstract: Provided is a high-strength aluminum alloy including 2.0 to 13.0% by weight of copper (Cu), 0.4 to 4.0% by weight of manganese (Mn), 0.4 to 2.0% by weight of iron (Fe), 6.0 to 10.0% by weight of silicon (Si), greater than 0.0% by weight and 7.0 or less % by weight of zinc (Zn), greater than 0.0% by weight and 2.0 or less % by weight of magnesium (Mg), greater than 0.0% by weight and 1.0 or less % by weight of chromium (Cr), greater than 0.0% by weight and 3.0 or less % by weight of nickel (Ni), greater than 0.0% by weight and 0.05 or less % by weight of production-induced impurities, and the balance of aluminum (Al).
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: April 19, 2022
    Assignee: GAM CO., LTD.
    Inventors: Jin Yeol Choi, Byung-Cheol Lee
  • Patent number: 11305721
    Abstract: A curtain airbag system of a vehicle is provided and omits a front or rear pillar area of a roof/side frame for a space for accommodating an airbag cushion. The airbag cushion is guided by a connection tether for a deployment direction to deploy the airbag cushion to a protection zone for an occupant. Additionally, the airbag cushion is folded in a zigzag form to expose the connection tether, thereby guiding the airbag cushion for the deployment direction and securing a deployment speed.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: April 19, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Jun Yeol Choi
  • Patent number: 11309131
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes disposed with the dielectric layer interposed therebetween and disposed in point-symmetry with each other; first and second connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the first internal electrode; third and fourth connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the second internal electrode; first and second external electrodes disposed on both surfaces of the body and connected to the first and second connection electrodes; and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes, and the first and second internal electrodes include a region in which an electrode is not disposed.
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: April 19, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung Lee, Min Gon Lee, Jea Yeol Choi, Jin Man Jung, Jin Kyung Joo
  • Patent number: 11299122
    Abstract: An airbag apparatus may include an airbag module mounted at a lower end portion of a crash pad; an airbag cushion configured to deploy from the airbag module to deploy in a space between a knee portion and a head portion of a passenger, wherein a tether is connected to the airbag cushion in a deployment direction of the airbag cushion toward at least one of the knee portion, a chest portion, and the head portion of the passenger to form an integrated deployment shape of the airbag cushion; and a release device connected to the tether close to the airbag module, and operated to allow the tether to be released or maintained in a fixed state in a deployment process of the airbag cushion depending on a body shape of the passenger on a seat of the vehicle.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: April 12, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Jun Yeol Choi
  • Publication number: 20220102080
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes disposed with the dielectric layer interposed therebetween and disposed in point-symmetry with each other; first and second connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the first internal electrode; third and fourth connection electrodes penetrating the body in a direction perpendicular to the dielectric layer and connected to the second internal electrode; first and second external electrodes disposed on both surfaces of the body and connected to the first and second connection electrodes; and third and fourth external electrodes spaced apart from the first and second external electrodes and connected to the third and fourth connection electrodes, and the first and second internal electrodes include a region in which an electrode is not disposed.
    Type: Application
    Filed: December 9, 2021
    Publication date: March 31, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung LEE, Min Gon LEE, Jea Yeol CHOI, Jin Man JUNG, Jin Kyung JOO
  • Patent number: 11276526
    Abstract: A multilayer capacitor includes a body, a plurality of internal electrodes, and external electrodes. The corners of the cover portions of the body include curved surfaces, a length of each of internal electrodes disposed in the cover portions among the plurality of internal electrodes is smaller than a length of an internal electrode disposed in a central portion, and when a distance from a surface of the body to a closest internal electrode among the plurality of internal electrodes is defined as a margin, a portion of the margin region, located directly above or below the internal electrodes disposed in the cover portions in the stacking direction, includes at least two layers including different densities of dielectric layers.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: March 15, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: So Ra Kang, Byeong Gyu Park, Jae Yeol Choi, Yong Jin Yun, Jung Min Park
  • Patent number: 11264173
    Abstract: A multilayer capacitor includes a body including a stacked structure formed of a plurality of dielectric layers, and a plurality of internal electrodes, and external electrodes, wherein the body is divided into a central portion, and cover portions, the body has first to sixth surfaces, in the body, the cover portion forms corner edges having a curved surface, and if a radius of curvature of each of the corner edges at which the third and fourth surfaces meet the fifth and sixth surfaces refers to R1, and a radius of curvature of each of the corner edges at which the third and fourth surfaces meet the first and second surfaces refers to R2, a relationship of R1>R2 is satisfied, and a width of an internal electrode disposed in the cover portion is narrower than a width of an internal electrode disposed in the central portion.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: So Ra Kang, Jung Min Park, Byeong Gyu Park, Yong Jin Yeon, Jea Yeol Choi
  • Patent number: 11227723
    Abstract: A multilayer ceramic capacitor has a body including first and second internal electrodes laminated with a dielectric layer interposed therebetween, and having fifth and sixth surfaces opposing each other, third and fourth surfaces opposing each other, and first and second surfaces opposing each other. A first through-electrode penetrates through the body to be connected to the first internal electrode, and a second through-electrode penetrates through the body to be connected to the second internal electrode. First and second external electrodes are disposed on the first and second surfaces, respectively, and third and fourth external electrodes are disposed on the first and second surfaces, respectively, to be spaced apart from the first and second external electrodes. Each of the first to fourth external electrodes is a respective sintered electrode including nickel.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Taek Jung Lee, Min Gon Lee, Jin Kyung Joo, Ji Hong Jo, Jae Yeol Choi
  • Patent number: 11217394
    Abstract: A multilayer capacitor includes a body, a plurality of internal electrodes and external electrodes disposed on external surfaces of the body and electrically connected to the internal electrodes, wherein in the body, corners of cover portions include curved surfaces, and 10 ?m?R?T/4 in which R is a radius of curvature of the curved surface corners and T is a thickness of the body, and when a distance from a surface of the body to an internal electrode closest to the surface of the body among the plurality of internal electrodes is a margin, a margin (?) of each of the corners formed as the curved surfaces in the cover portions is greater than or equal to a margin (Wg) of the body in a width direction.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byeong Gyu Park, So Ra Kang, Yong Jin Yun, Jea Yeol Choi, Jung Min Park
  • Publication number: 20210387591
    Abstract: An airbag apparatus may include an airbag module mounted at a lower end portion of a crash pad; an airbag cushion configured to deploy from the airbag module to deploy in a space between a knee portion and a head portion of a passenger, wherein a tether is connected to the airbag cushion in a deployment direction of the airbag cushion toward at least one of the knee portion, a chest portion, and the head portion of the passenger to form an integrated deployment shape of the airbag cushion; and a release device connected to the tether close to the airbag module, and operated to allow the tether to be released or maintained in a fixed state in a deployment process of the airbag cushion depending on a body shape of the passenger on a seat of the vehicle.
    Type: Application
    Filed: October 1, 2020
    Publication date: December 16, 2021
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Jun Yeol CHOI
  • Publication number: 20210350984
    Abstract: A capacitor component includes a body having a first surface and a second surface opposing each other and including a multilayer structure in which a plurality of dielectric layers are stacked and first and second internal electrodes are alternately disposed with respective dielectric layers interposed therebetween and exposed to the first surface and the second surface, respectively, first and second metal layers covering the first surface and the second surface and connected to the first and second internal electrodes, respectively, first and second ceramic layers covering the first and second metal layers, and first and second external electrodes covering the first and second ceramic layers and connected to the first and second metal layers to be electrically connected to the first and second internal electrodes, respectively.
    Type: Application
    Filed: July 23, 2021
    Publication date: November 11, 2021
    Inventors: Sung Hyun CHO, Byeong Chan KWON, Yong Jin YUN, Ki Pyo HONG, Jae Yeol CHOI
  • Patent number: 11148626
    Abstract: A method of controlling an airbag inflator, may include determining, when an occupant is accommodated on a seat, whether the weight of the occupant is in which of first to fourth weight ranges sequentially allocated by a controller, performing a first logic for operating an inflator at the lowest one of three intensities by the controller when it is determined that the weight of the occupant is in the lightest first weight range, and performing a second logic for operating the inflator at the intermediate intensity or a third logic for operating the inflator at the highest intensity by the controller, according to conditions such as a position of a seat, a state of operation of a recliner, a collision condition, a collision pulse, and wearing of a belt, when it is determined that the weight of the occupant is in the third or fourth weight range.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: October 19, 2021
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: Jun Yeol Choi
  • Patent number: 11145463
    Abstract: A multilayer capacitor includes a body, a plurality of internal electrodes, and an external electrode. A cover portion of the body has curved corners, and a radius of curvature, R, of each of the curved corners and a thickness, T, of the body satisfy a condition of 10 ?m?R?T/3, and a width, W, and a thickness, T, of the body satisfy a condition of T/W<0.8.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: October 12, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byeong Gyu Park, Yong Jin Yun, So Ra Kang, Jung Min Park, Jea Yeol Choi
  • Patent number: 11127531
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including an active layer, in which first and second internal electrodes are disposed with a dielectric layer interposed therebetween, the N number of each of the first and second internal electrodes being stacked to be alternately exposed from first and second external surfaces; and first and second external electrodes disposed on the first and second external surfaces of the ceramic body and connected to the first and second internal electrodes, respectively. The ceramic body further includes a cover layer disposed above or below the active layer. The cover layer includes a plurality of first and second dummy electrodes. A number (A>N) of the first and second dummy electrodes are stacked to be alternately exposed from the first and second external surfaces.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: September 21, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Hyeok Kim, Jea Yeol Choi, Sang Soo Park, Hwi Dae Kim, Young Jun Cha
  • Publication number: 20210277235
    Abstract: The present disclosure relates to a polyimide-based block copolymer and a polyimide-based block copolymer film including the same. The polyimide-based block copolymer according to the present disclosure makes it possible to provide a polyimide-based film having low haze and yellow index value while exhibiting excellent transparency.
    Type: Application
    Filed: December 13, 2017
    Publication date: September 9, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Duk Hun JANG, Byung Guk KIM, Young Sik EOM, Sung Yeol CHOI, Sang Gon KIM, Jin Sook RYU, Sun Ok OH, Hyung Sam CHOI
  • Patent number: 11107634
    Abstract: A capacitor component includes a body having a first surface and a second surface opposing each other and including a multilayer structure in which a plurality of dielectric layers are stacked and first and second internal electrodes are alternately disposed with respective dielectric layers interposed therebetween and exposed to the first surface and the second surface, respectively, first and second metal layers covering the first surface and the second surface and connected to the first and second internal electrodes, respectively, first and second ceramic layers covering the first and second metal layers, and first and second external electrodes covering the first and second ceramic layers and connected to the first and second metal layers to be electrically connected to the first and second internal electrodes, respectively.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyun Cho, Byeong Chan Kwon, Yong Jin Yun, Ki Pyo Hong, Jae Yeol Choi