Patents by Inventor Ki Cho

Ki Cho 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).

  • Patent number: 11603021
    Abstract: Disclosed are a seat frame assembly and a method of manufacturing the same whereby adhesion of a reinforcing material attached to a seat frame is improved to secure rigidity of the seat frame and process speed is improved. According to one embodiment disclosed herein, seat frame assembly includes: a frame configured such that a portion of each of opposite sides is bent forward, and supporting an upper body of an occupant; and side members joined to the opposite sides of the frame, respectively, each of the side members including a groove formed in a surface being in close contact with the frame, wherein a portion of the frame that is surface-joined to each of the side members is provided with a protrusion inserted into the groove.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: March 14, 2023
    Assignee: Daechang Seat Co., Ltdā€”Dongtan
    Inventors: Chan Ki Cho, Hyun Chul Woo, Kyoung Min Cho, Hun Yeong Jun
  • Publication number: 20230067773
    Abstract: Provided is a distributed antenna system (DAS) for multi-frequency band and multi-carrier equipped with an open radio access network (O-RAN) remote unit (RU) according to an O-RAN technology standard for building a next-generation radio infrastructure. To this end, the DAS for multi-carrier and multi-frequency band based on an O-RAN standard includes an O-RAN RU connected to a fronthaul network according to an O-RAN split option specification of base station transceiver systems (BTSs), and including a plurality of O-RAN RUs to accommodate a plurality of carriers and a plurality of frequency bands; and a channel combiner to which outputs of the plurality of O-RAN RUs are combined.
    Type: Application
    Filed: November 17, 2021
    Publication date: March 2, 2023
    Applicant: ADRF KOREA, Inc.
    Inventors: Chong Youn CHUN, Chan Ki CHO
  • Publication number: 20230064147
    Abstract: A buffer circuit receives a first input signal and a second input signal to generate a first output signal and a second output signal. The buffer circuit includes a load circuit. The load circuit receives a gain adjustment signal. The load circuit increases a total gain of the buffer circuit when the gain adjustment signal is disabled and increases an AC gain of the buffer circuit when the gain adjustment signal is enabled.
    Type: Application
    Filed: December 15, 2021
    Publication date: March 2, 2023
    Applicant: SK hynix Inc.
    Inventor: Sun Ki CHO
  • Publication number: 20230053008
    Abstract: A system for detecting a defective battery using wireless communications. The system includes first sensors and a first master device. The first sensors are matched on a 1:1 basis with first battery modules to monitor the first battery modules. The first master device communicates with the first sensors. The respective first sensors each include a first monitoring circuit which collects a primary data on a 1:1-matched first battery module in a monitoring mode, and a first communicating circuit which outputs the primary data to the first master device in a communicating mode. The first monitoring circuit is turned off in the communicating mode. The first communicating circuit is turned off in the monitoring mode.
    Type: Application
    Filed: May 27, 2021
    Publication date: February 16, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ji Won Hwang, Hyun Ki Cho, Sang Hoon Lee, Jae Dong Park, Hu Jun Lee, Jung Hyun Kwon
  • Patent number: 11572453
    Abstract: The present invention relates to a plasticizer composition and a resin composition including the same. The compositions comprise a terephthalate-based material, a dibenzoate-based material, and a citrate. The compositions and methods have a weight ratio of the terephthalate-based material to the benzoate-based material of 99:1 to 1:99. The citrate-based material is included at 1 to 80 parts by weight with respect to 100 parts by weight of the total weight of the terephthalate-based material and the dibenzoate-based material.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: February 7, 2023
    Assignee: LG CHEM, LTD.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Publication number: 20230025228
    Abstract: Proposed is a lumbar support assembly including a mat formed by connecting wires in such a manner as to take shape in the form of a net and connected to a seat frame in such a manner as to be rotatable forward or backward, a tension unit comprising first and second cables, respective first end portions of the first and second cable being connected to opposite sides, respectively, of the seat frame, and respective second end portions thereof extending to the mat, and a drive unit mounted under a center portion of the mat and connected to the respective second end portions of the first and second end portions, the drive unit being configured to pull or release the first and second cables.
    Type: Application
    Filed: November 8, 2021
    Publication date: January 26, 2023
    Inventors: Chan Ki Cho, Gun Young Park, Jin Oh Kim, Jun Kyu Park, Kang Seok Seo
  • Publication number: 20220416289
    Abstract: To solve the above problem, a method for manufacturing an electrode lead according to an embodiment of the present invention includes: a step of manufacturing each of a first electrode lead and a second electrode lead by cutting a metal plate; a step of applying an adhesive to at least one of one end of the first electrode lead or the other end of the second electrode lead; a step of forming a lead stack by bonding the one end of the first electrode lead and the other end of the second electrode lead to each other; a step of placing the lead stack on a die; and a step of applying heat and pressure to a connection portion of the lead stack, in which the first electrode lead and the second electrode lead are connected to each other, by using a pressing device.
    Type: Application
    Filed: October 27, 2020
    Publication date: December 29, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Min Hyeong Kang, Seong Heon Jeong, Yong Su Choi, Sang Hun Kim, Hyung Kyun Yu, Hyun Tae Kim, Il Gyu Byen, Chung Ki Cho
  • Publication number: 20220399935
    Abstract: A millimeter-wave repeater may be provided to cover a radio shaded area, in a system for the millimeter-wave repeater. The millimeter-wave repeater may provide a service by changing a signal of a millimeter-wave band to an intermediate frequency band, and then changing the signal to the millimeter-wave band again.
    Type: Application
    Filed: June 10, 2021
    Publication date: December 15, 2022
    Applicant: ADRF KOREA, Inc.
    Inventors: Chan Ki CHO, Baek yong PARK
  • Publication number: 20220393320
    Abstract: A battery pack includes a pack case having a predetermined accommodation space, a plurality of battery modules accommodated in the pack case and having a plurality of battery cells stacked on each other, at least one partition isolation member disposed to compart the plurality of battery modules in a direction parallel to a stacking direction of the plurality of battery cells, a plurality of bus bar members configured to electrically connect the plurality of battery modules, a plurality of relay units connected to the plurality of bus bar members, and an outer resistor unit connected to the plurality of relay units and provided at one inner side of the pack case.
    Type: Application
    Filed: September 21, 2020
    Publication date: December 8, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jee-Soon CHOI, Se-Won KIM, Sang-Jun PARK, Dal-Mo KANG, Gyu-Jong BAE, Sang-Hoon LEE, Hyun-Ki CHO, Yong-Seok CHOI
  • Publication number: 20220379774
    Abstract: A multi-position seat configured to maximize usability thereof through various changes in the positions of a seat back and a seat cushion may include a height assembly configured to move a base frame mounted on a vehicle body, a slide assembly configured to move a seat cushion frame, which is positioned above the base frame and is connected to the base frame via a link mechanism, upwards and downwards by sliding action of the link mechanism in a forward and backward direction, a tilt assembly configured to move a rear end portion of the seat cushion frame upwards and downwards, and a seat back frame hingedly coupled to a rear end portion of the base frame to be reclined.
    Type: Application
    Filed: November 22, 2021
    Publication date: December 1, 2022
    Applicants: Hyundai Motor Company, Kia Corporation, Hyundai Transys, Inc., Daechang Seat Co., LTD-Dongtan
    Inventors: Eun Sue KIM, Seung Sik HAN, Hong Heui LEE, Myung Hoe KIM, Jong Tak LEE, Hae Dong KWAK, Cheol Hwan YOON, Jun Sik HWANG, In Sun BAEK, Sin Chan YANG, Myung Soo LEE, Chan Ki CHO
  • Patent number: 11515287
    Abstract: The present invention relates to a reel-to-reel layer reflow method, which emits a uniformized laser beam, which can easily adjust the emission area, and which is for the purpose of improving productivity. An embodiment of the present invention provides a reel-to-reel layer reflow method comprising the steps of: a) transferring a substrate, which has been wound in a roll type, to one side while unwinding the same; b) forming a solder portion on the substrate; c) seating an emission target element on the solder portion and seating a non-emission target element on the substrate; d) surface-emitting a laser beam to the solder portion, on which the emission target element is seated, such that the emission target element is attached to the substrate; e) inspecting the substrate structure manufactured through said step d); and f) winding the substrate structure in a roll type.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: November 29, 2022
    Assignee: LASERSSEL CO., LTD.
    Inventors: Byung Rock Kim, Wan Ki Cho, Jae Joon Choi
  • Patent number: 11485260
    Abstract: Proposed is a lumbar support assembly having an air bladder and components for operating the air bladder and facilitating the assembly and maintenance thereof. The lumbar support assembly includes: a suspension mat having a first hole formed at the inner side thereof, and having a second hole formed at one edge thereof; an air bladder having a first clip hole, which is formed at one edge thereof and overlaps with the first hole; a pouch including a pump and having a second clip hole, which is formed at one edge thereof and overlaps with the second hole; a fixing clip that can be mounted in the first clip hole or the second clip hole; and an electronic valve which has a first tube connected to the air bladder and a second tube connected to the pump and which is coupled to the rear surface of the suspension mat.
    Type: Grant
    Filed: June 24, 2019
    Date of Patent: November 1, 2022
    Assignee: DAECHANG SEAT CO.
    Inventors: Chan Ki Cho, Jin Oh Kim, Kyoung Min Cho
  • Publication number: 20220340062
    Abstract: A support driver for a seat and a support assembly including the same that is using a tube and a structure of a mat that is moved by an inflation and a deflation of the tube. According to an embodiment of the present disclosure, the support driver coupled to a seat frame includes: a support portion coupled to the seat frame; a tube coupled to the support portion; and a mat coupled to the support portion so as to allow the mat to be movable in a direction that is away from the support portion or in a direction that is adjacent to the support portion, with the tube being provided therebetween, in which the tube is configured to push the mat by being inflated according to an operation of a pump that is connected to the tube by a hose.
    Type: Application
    Filed: July 6, 2021
    Publication date: October 27, 2022
    Inventors: Chan Ki CHO, Gun Young PARK, Jin Oh KIM, Jun Kyu PARK, Jeon Il KANG
  • Patent number: 11472324
    Abstract: A combination structure of a seat frame includes: a first and a second side cushion frames installed on a first and a second sides of a seat, and configured to slide forward and rearward, wherein the first and the second sides of the seat are opposite to each other; a center cushion frame provided between the side cushion frames and having a first side fixed to the first side cushion frame; and a support guide device connected between a second side of the center cushion frame and the second side cushion frame, and configured to guide a sliding movement of each of the second side cushion frame and the center cushion frame while supporting weights of the second side cushion frame and the center cushion frame.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: October 18, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, Daechang Seat Co., LTD-Dongtan, Hyundai Transys Inc.
    Inventors: Min Ju Lee, Seung Hyun Kim, Byung Yong Choi, Sang Hyun Lee, Seon Chae Na, Chan Ki Cho, In Chang Hwang, Dong Hwan Kim, Young Woon Choi, Jae Jin Lee
  • Patent number: 11472279
    Abstract: The present disclosure provides a mount for a vehicle that is provided at a portion at which damping performance is desired and that is fastened by a stud bolt. The mount for the vehicle includes a flange into which the stud bolt is inserted and that supports the stud bolt, an insulator configured to surround the flange, a housing coupled to the other one of the vibrating body or the supporting body and to which the insulator is fixed, a chamber formed inside the housing as a space surrounded by the housing and the insulator, and the chamber is filled with a fluid. In addition, the mount for the vehicle includes a damping part mounted on the housing to divide the chamber into two spaces and to be disposed in the chamber. The mount for the vehicle is configured to appropriately absorb vibrations and reduce noise.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: October 18, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Sungwon Seo, Wang Jian Wen, Woon Ki Cho
  • Publication number: 20220314853
    Abstract: A backboard assembly for a vehicular rear seat is disclosed. The backboard assembly includes an upper part and a lower part, which are made of a hard plastic material. The backboard assembly prevents the formation of a gap between the lower part and a luggage board, regardless of the operational mode of the rear seat. When a seat back is folded, the upper part, the lower part, and the luggage board are aligned in a horizontal direction, thereby allowing the space for passengers in the rear seat to be completely integrated with a luggage compartment.
    Type: Application
    Filed: November 19, 2021
    Publication date: October 6, 2022
    Inventors: Eun Sue Kim, Seung Sik Han, Hong Heui Lee, Myung Hoe Kim, Cheol Hwan Yoon, Hae Dong Kwak, Jun Sik Hwang, Jong Tak Lee, Sin Chan Yang, In Sun Baek, Myung Soo Lee, Chan Ki Cho
  • Publication number: 20220314845
    Abstract: Proposed is a support driver for a seat and a support assembly including the same. The support driver is configured to operate within a limited space while supporting an occupant comfortably and safely. The support assembly has a structure in which the links push the central portion of the cushion in close contact therewith while remaining in intersection with each other. Advantageously, the links are able to push the cushion with a minimum amount of power within a limited space.
    Type: Application
    Filed: May 10, 2021
    Publication date: October 6, 2022
    Inventors: Chan Ki CHO, Gun Young PARK, Jin Oh KIM, Jun Kyu PARK, Jeon Il KANG
  • Patent number: 11463153
    Abstract: Provided is a distributed antenna system using a millimeterwave repeater. The distributed antenna system includes a donor unit configured to receive a downlink millimeter band radio frequency (RF) signal from a gNodeB base station, sum the received RF signal with a communication signal, and a synchronization signal to generate a summation signal, and transmit the summation signal; a transmission unit configured to transmit the summation signal and a power signal for power supply; and a server unit configured to receive the summation signal, separate and amplify the summation signal to transmit an RF signal to a user terminal. Only one of the donor unit and the server unit includes a power supply unit configured to generate the power signal.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: October 4, 2022
    Assignee: ADRF KOREA, Inc.
    Inventor: Chan Ki Cho
  • Publication number: 20220295991
    Abstract: Proposed is an actuator for a recliner which can be manufactured with components having simple structures to reduce weight, and functions of a seat operated through different cables are independently performed stably. The actuator for a recliner includes: a casing part, and a drive part provided with a worm wheel gear located inside the casing part and rotated by an operation of a motor, and a rack gear configured to move elastically toward a first or second side of the drive part in engagement with the worm wheel gear, with cables being coupled respectively to the first and second sides of the rack gear.
    Type: Application
    Filed: February 10, 2022
    Publication date: September 22, 2022
    Applicant: DAECHANG SEAT CO., LTD-DONGTAN
    Inventors: Chan Ki Cho, Myung Soo Lee, Sin Chan Yang, In Sun Baek
  • Publication number: 20220294035
    Abstract: A battery pack includes at least one battery module including a plurality of battery cells, and a module housing to receive the plurality of battery cells, at least one thermoelectric module disposed outside or inside of the module housing of the battery module and configured to generate voltage when a temperature of the battery module rises to a predetermined temperature or above, and an energy drain unit configured to discharge the battery module when a predetermined magnitude of voltage or above is applied from the thermoelectric module.
    Type: Application
    Filed: July 13, 2020
    Publication date: September 15, 2022
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jee-Soon CHOI, Dal-Mo KANG, Jae-Dong PARK, Sang-Hoon LEE, Hyun-Ki CHO, Yong-Seok CHOI