Patents by Inventor Cheol Jin

Cheol Jin 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: 12266519
    Abstract: A method of manufacturing a CNT paste emitter in accordance with an exemplary embodiment of the present disclosure includes a process of mixing first CNT powder, graphite nanoparticles, SiC nanoparticles, Ni nanoparticles, a dispersant and distilled water and then performing a dispersion process by means of ultrasonication, a process of acquiring second CNT powder by filtering a solution dispersed during the dispersion process, a process of mixing the second CNT powder with a graphite binder and then preparing a CNT paste by means of ball milling, and a process of forming an interface layer on a metal or graphite substrate and then bonding the CNT paste.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: April 1, 2025
    Assignee: Korea University Research and Business Foundation
    Inventors: Cheol Jin Lee, Han Bin Go, Sang Heon Lee
  • Patent number: 12230671
    Abstract: Semiconductor devices are provided. The semiconductor devices includes a landing pad on a substrate, a lower electrode on the landing pad and connected to the landing pad, a capacitor dielectric film that is on the lower electrode and includes both a tetragonal crystal system and an orthorhombic crystal system, a first doping layer that is between the lower electrode and the capacitor dielectric film and includes a first metal, and an upper electrode on the capacitor dielectric film.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: February 18, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Min Park, Han Jin Lim, Kyoo Ho Jung, Cheol Jin Cho
  • Patent number: 12190600
    Abstract: A dash cam having an anti-theft function includes an image acquisition unit configured to capture an image, a housing, in which the image acquisition unit is built in, mounted inside a vehicle so that the image acquisition unit images a space including at least a portion of a part constituting the vehicle, an image storage unit configured to store a first image and a second image captured by the image acquisition unit, an image analysis unit configured to compare the first image with the second image and determine whether the vehicle in which the housing is mounted has been changed, and a theft signal output unit configured to output a preset theft occurrence signal based on a determination that the vehicle has been changed by the image analysis unit.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: January 7, 2025
    Assignee: BG T&A CO.
    Inventors: Chi Hyung Song, Cheol Jin Park
  • Publication number: 20240291084
    Abstract: The present application relates to a secondary sealing device for a pouch-type secondary battery. The secondary sealing device for a pouch-type secondary battery pursuant to the present invention can align the position of the electrode assembly to perform correction for a gap between the electrode assembly and the secondary sealing line allowing for convenient and precise gap management and ensuring consistent product specifications in terms of electrical characteristics.
    Type: Application
    Filed: January 20, 2023
    Publication date: August 29, 2024
    Applicant: LG Energy Solution Ltd.
    Inventor: Cheol Jin Yu
  • Patent number: 12022854
    Abstract: A cooking apparatus, a cooking apparatus controlling system, and a method of controlling a cooking apparatus are provided. The cooking apparatus controlling system includes a first cooking apparatus having a user interface configured to receive a user command from a user and a second cooking apparatus separated from the first cooking apparatus and configured to receive the user command input to the first cooking apparatus and operate according to the user command. The user interface receives one or more of a user command related to the first cooking apparatus and a user command related to the second cooking apparatus. The first cooking apparatus includes a first communicator. The second cooking apparatus includes a second communicator configured to communicate with the first communicator.
    Type: Grant
    Filed: November 27, 2020
    Date of Patent: July 2, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Tae-Woo Kim, Cheol Jin Kim
  • Patent number: 11936215
    Abstract: The method for transmitting power wirelessly according to an embodiment may comprise checking a position of a receiving device while wirelessly transmitting power to the receiving device, and changing a charging stop level which is compared with power loss which corresponds to a difference between transmitted power transmitted to the receiving device and received power received by the receiving device when the receiving device is outside a charging area. The receiving device is outside the charging area may be determined based on that the received power is equal to or greater than reference power and a power control level when transmitting the power to the receiving device is equal to or greater than a reference value. The charging stop level may be returned to an original value when the power loss is lower than the changed charging stop level until a predetermined time elapses after changing the charging stop level.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: March 19, 2024
    Assignee: HITACHI-LG DATA STORAGE KOREA, INC.
    Inventor: Cheol Jin
  • Publication number: 20240048001
    Abstract: The method of wirelessly transmitting power according to an embodiment may comprise performing an operation of analog ping on each of multiple coils of a primary coil; determining whether there is an object based on a result of the operation of analog ping; determining whether there is a receiving device including a secondary coil that can be coupled to the primary coil by magnetic induction by performing an operation of digital ping when it is determined that there is an object; and wirelessly transmitting power to a receiving device or stopping transmitting power thereto when it is determined that there is the receiving device.
    Type: Application
    Filed: August 2, 2023
    Publication date: February 8, 2024
    Applicant: Hitachi-LG Data Storage Korea, Inc.
    Inventor: Cheol JIN
  • Publication number: 20240039335
    Abstract: The wireless charging device according to an embodiment may comprise a rectangular shield assembly in which a shield and a first coil for delivering power to a terminal including a second coil by magnetic induction coupling are formed, a main PCB including an inverter that converts DC power into AC power and supplies it to the first coil, and a sub-PCB attached to one corner of the shield assembly and including a USB Type-C port. The sub-PCB may be disposed outside the first coil. The USB Type-C port may be exposed in a direction perpendicular to a plane on which the terminal is placed.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 1, 2024
    Applicant: Hitachi-LG Data Storage Korea, Inc.
    Inventors: Sucheol KIM, Cheol JIN, Chaemin JU, Yurak SON, Hyeongyeon CHO, Suyoung LEE, Hyunuk HA, Hogil LEE
  • Publication number: 20240039342
    Abstract: The wireless charging device according to an embodiment may comprise a shielding assembly where a shield, a first coil for power transfer by magnetic inductive coupling, and a bracket are formed, an NFC coil fixed to the bracket, and a main PCB including an inverter that converts DC power into AC power and supplies it to the first coil. The bracket may be formed outside the first coil. The shielding assembly may further include a coil connector for connecting the first coil and the NFC coil to the main PCB. The coil connector may consist of a plurality of protruding pins, and the plurality of protruding pins may be inserted into holes formed at corresponding positions on the main PCB so that the first coil and the NFC coil are electrically connected to the main PCB.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 1, 2024
    Applicant: Hitachi-LG Data Storage Korea, Inc.
    Inventors: Sucheol KIM, Cheol JIN, Chaemin JU, Yurak SON, Hyeongyeon CHO, Suyoung LEE, Hyunuk HA, Hogil LEE
  • Publication number: 20240010126
    Abstract: A method for generating a surround view image of a trailer vehicle is proposed. The method includes receiving, by an image processing device of a tractor, first calibration information for a plurality of cameras arranged on a first trailer from an image processing device arranged on the first trailer, receiving, by the image processing device of the tractor, trailer image information comprising images captured by the plurality of cameras of the first trailer from the first trailer, generating, by the image processing device of the tractor, tractor image information comprising images captured by a plurality of cameras arranged on the tractor and generating, by the image processing device of the tractor, the surround view image of the trailer vehicle using the trailer image information, the tractor image information, and the first calibration information.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 11, 2024
    Applicant: UBIQ MICRO SYSTEMS
    Inventor: Cheol Jin PARK
  • Publication number: 20230419677
    Abstract: A dash cam having an anti-theft function includes an image acquisition unit configured to capture an image, a housing, in which the image acquisition unit is built in, mounted inside a vehicle so that the image acquisition unit images a space including at least a portion of a part constituting the vehicle, an image storage unit configured to store a first image and a second image captured by the image acquisition unit, an image analysis unit configured to compare the first image with the second image and determine whether the vehicle in which the housing is mounted has been changed, and a theft signal output unit configured to output a preset theft occurrence signal based on a determination that the vehicle has been changed by the image analysis unit.
    Type: Application
    Filed: June 15, 2023
    Publication date: December 28, 2023
    Inventors: Chi Hyung SONG, Cheol Jin PARK
  • Publication number: 20230402500
    Abstract: A capacitor structure includes lower and electrodes, and a capacitor dielectric film interposed therebetween. The lower electrode includes a lower electrode film including a first metal element, a first doped oxide film including a second metal element and an oxide of the first metal element, and a first metal oxide film. The first metal oxide film includes an oxide of the first metal element and is free of the second metal element. The upper electrode includes an upper electrode film including the first metal element, a second doped oxide film including the second metal element and an oxide of the first metal element, and a second metal oxide film that includes an oxide of the first metal element, and is free of the second metal element.
    Type: Application
    Filed: February 8, 2023
    Publication date: December 14, 2023
    Inventors: Cheol Jin CHO, Young-Lim PARK, Kyoo Ho JUNG
  • Publication number: 20230238836
    Abstract: The method for transmitting power wirelessly may comprise: transmitting power wirelessly to a receiving device, receiving, from the receiving device, a first Q factor including a Q frequency and a Q value measured by the receiving device while transmitting the power, and obtaining a second foreign object boundary line by adjusting a first foreign object boundary line based on a first Q point corresponding to the first Q factor in a Q plane with a Q frequency and a Q value as two axes. The method may detect, as a second Q factor, a Q frequency and a Q value of a resonance circuit included in a transmitting apparatus, and continue or stop a power transmitting operation based on a comparison of a second Q point corresponding to the second Q factor and the second foreign object boundary line in the Q plane.
    Type: Application
    Filed: January 5, 2023
    Publication date: July 27, 2023
    Applicant: HITACHI-LG DATA STORAGE KOREA, INC.
    Inventor: Cheol JIN
  • Patent number: 11692247
    Abstract: This application relates to a wrought magnesium alloy and a method of manufacturing the same, and a high-speed extrusion method for manufacturing an extrudate using the same. In one aspect, the magnesium alloy includes 2.0 wt % to 8.0 wt % of bismuth (Bi), 0.5 wt % to 6.5 wt % aluminum (Al), the balance of magnesium (Mg), and inevitable impurities. Using a magnesium alloy for high-speed extrusion according to the present disclosure, it is possible to manufacture a magnesium alloy extrudate having a good surface quality without hot cracking even under high-temperature (extrusion temperature: 300° C. to 450° C.) and high-speed (die-exit speed: 40 m/min to 80 m/min) extrusion conditions. Furthermore, the extrudate manufactured from the magnesium alloy exhibits greatly improved strength and elongation compared to existing magnesium extrudates even when the alloy does not contain a rare-earth metal.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: July 4, 2023
    Assignee: Kyungpook National University Industry-Academic Cooperation Foundation
    Inventors: Sung Hyuk Park, Jong Bin Go, Sang Cheol Jin
  • Publication number: 20230118923
    Abstract: The method for transmitting power wirelessly according to an embodiment may comprise checking a position of a receiving device while wirelessly transmitting power to the receiving device, and changing a charging stop level which is compared with power loss which corresponds to a difference between transmitted power transmitted to the receiving device and received power received by the receiving device when the receiving device is outside a charging area. The receiving device is outside the charging area may be determined based on that the received power is equal to or greater than reference power and a power control level when transmitting the power to the receiving device is equal to or greater than a reference value. The charging stop level may be returned to an original value when the power loss is lower than the changed charging stop level until a predetermined time elapses after changing the charging stop level.
    Type: Application
    Filed: October 18, 2022
    Publication date: April 20, 2023
    Applicant: HITACHI-LG DATA STORAGE KOREA, INC.
    Inventor: Cheol JIN
  • Publication number: 20220399177
    Abstract: A method of manufacturing a CNT paste emitter in accordance with an exemplary embodiment of the present disclosure includes a process of mixing first CNT powder, graphite nanoparticles, SiC nanoparticles, Ni nanoparticles, a dispersant and distilled water and then performing a dispersion process by means of ultrasonication, a process of acquiring second CNT powder by filtering a solution dispersed during the dispersion process, a process of mixing the second CNT powder with a graphite binder and then preparing a CNT paste by means of ball milling, and a process of forming an interface layer on a metal or graphite substrate and then bonding the CNT paste.
    Type: Application
    Filed: June 29, 2022
    Publication date: December 15, 2022
    Applicant: Korea University Research and Business Foundation
    Inventors: Cheol Jin LEE, Han Bin GO, Sang Heon LEE
  • Publication number: 20220238641
    Abstract: Semiconductor devices are provided. The semiconductor devices includes a landing pad on a substrate, a lower electrode on the landing pad and connected to the landing pad, a capacitor dielectric film that is on the lower electrode and includes both a tetragonal crystal system and an orthorhombic crystal system, a first doping layer that is between the lower electrode and the capacitor dielectric film and includes a first metal, and an upper electrode on the capacitor dielectric film.
    Type: Application
    Filed: August 26, 2021
    Publication date: July 28, 2022
    Inventors: Jung Min Park, Han Jin Lim, Kyoo Ho Jung, Cheol Jin Cho
  • Patent number: 11282738
    Abstract: A lift pin module includes a lift pin which includes a head portion disposed at a first end of the lift pin, and a connecting portion disposed at a second end of the lift pin opposite to the first end, the head portion connected to a stage disposed inside a semiconductor process chamber, and the head portion extending in a first direction; an upper weight which includes a side surface with an opening extending in the first direction, the opening configured to receive the lift pin therein, and the upper weight surrounding the connecting portion of the lift pin; and a lower weight screwed to the upper weight, the lower weight disposed below the upper weight.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: March 22, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Nam Kim, Sung-Keun Cho, Seong Eon Park, Jung-Sub Shin, Joon-Sung Lee, Hyun Ik Joe, Hyeon Cheol Jin
  • Publication number: 20210301373
    Abstract: This application relates to a wrought magnesium alloy and a method of manufacturing the same, and a high-speed extrusion method for manufacturing an extrudate using the same. In one aspect, the magnesium alloy includes 2.0 wt % to 8.0 wt % of bismuth (Bi), 0.5 wt % to 6.5 wt % aluminum (Al), the balance of magnesium (Mg), and inevitable impurities. Using a magnesium alloy for high-speed extrusion according to the present disclosure, it is possible to manufacture a magnesium alloy extrudate having a good surface quality without hot cracking even under high-temperature (extrusion temperature: 300° C. to 450° C.) and high-speed (die-exit speed: 40 m/min to 80 m/min) extrusion conditions. Furthermore, the extrudate manufactured from the magnesium alloy exhibits greatly improved strength and elongation compared to existing magnesium extrudates even when the alloy does not contain a rare-earth metal.
    Type: Application
    Filed: March 29, 2021
    Publication date: September 30, 2021
    Inventors: Sung Hyuk PARK, Jong Bin GO, Sang Cheol JIN
  • Publication number: 20210183686
    Abstract: A lift pin module includes a lift pin which includes a head portion disposed at a first end of the lift pin, and a connecting portion disposed at a second end of the lift pin opposite to the first end, the head portion connected to a stage disposed inside a semiconductor process chamber, and the head portion extending in a first direction; an upper weight which includes a side surface with an opening extending in the first direction, the opening configured to receive the lift pin therein, and the upper weight surrounding the connecting portion of the lift pin; and a lower weight screwed to the upper weight, the lower weight disposed below the upper weight.
    Type: Application
    Filed: June 26, 2020
    Publication date: June 17, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Nam KIM, Sung-Keun Cho, Seong Eon Park, Jung-Sub Shin, Joon-Sung Lee, Hyun Ik Joe, Hyeon Cheol Jin