Patents by Inventor Chan Choi

Chan 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: 20250147779
    Abstract: This disclosure provides systems, devices, apparatus, and methods, including computer programs encoded on storage media, for performing interaction between displays of an automobile. In some implementations, the method may include displaying, on a first screen, a first graphical user interface (GUI) including multiple regions, a first region including multiple graphical representations, each graphical representation representing a respective application through which a user can interact with the respective application. In addition, the method may include detecting a user input on a selected graphical representation of the multiple graphical representations on the first GUI.
    Type: Application
    Filed: September 30, 2024
    Publication date: May 8, 2025
    Inventors: Eui Chan Choi, Colin Sebestyen, Divya Seshadri, Dave Wayne Flynt, Rodrigo Cardenas Islas Bustamante, Sepehr Pourrezaei Khaligh, Perry Wesley Chan, Nitendra Gurung, Carl Hewitt, Paul Hsu, Shuo Yuan, Jack Cong, Vishal Pallikandi, Daniel Deryee Leung, Yunwei Yang, Veena Kumari, Raymond Bessemer, Bill Rainey
  • Publication number: 20250140427
    Abstract: Disclosed is a digital twin platform provision system for detecting and responding to a fire in an installation region of electrical equipment in a nuclear power plant, which includes: a digital twin build unit for building an initial digital twin by digitally modeling target objects including equipment and subsidiary materials related to fire outbreak and damage spread; an attribute information application unit for applying fire reactivity information received from an outside and serves as attribute information about fire outbreak and spread factors to the initial digital twin, thereby building a digital twin; and a simulation information provision for unit generating simulation information, which is information fire outbreak about prediction, fire spread simulation upon fire break, and fire response and evacuation scenarios upon the fire break, by using the digital twin according to a user input and outputting the simulation information to a user terminal.
    Type: Application
    Filed: November 20, 2023
    Publication date: May 1, 2025
    Inventor: Doo Chan CHOI
  • Publication number: 20250108460
    Abstract: The present invention relates to a method of laser patterning of a processing object, wherein, after loading a three-dimensional processing object into a laser patterning apparatus, a predetermined z-axis processing height is primarily set, and processing is performed after matching the two-dimensional position information which has been generated by two-dimensional measuring the shape of the processing object with the three-dimensional processing pattern data provided for laser patterning processing of the processing object, and the z-axis processing height is secondarily set until the z-axis processing height, which is based on the three-dimensional pattern processing pattern data through the processing shape analysis of the patterned processing object, reaches a preset target value and then processing is performed. Which provides the advantage of not requiring a separate 3D profiling process.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 3, 2025
    Inventor: Byoung Chan CHOI
  • Patent number: 12251914
    Abstract: Provided is a method of manufacturing a stretchable substrate having improved thickness deformation uniformity through control of a spatial crosslinking degree according to various embodiments of the present disclosure to implement the above object. The method includes forming a substrate part of an elastic material, forming an auxetic including a plurality of unit structures on the substrate part, and forming a fixing part on the substrate part on which the auxetic is formed, wherein the fixing part has a different vertical crosslinking density at each position.
    Type: Grant
    Filed: September 14, 2023
    Date of Patent: March 18, 2025
    Assignee: Korea Institute of Science and Technology
    Inventors: Seungjun Chung, Jun Chan Choi, Hoon Yeub Jeong, Phillip Lee, Jeong Gon Son, Heesuk Kim
  • Publication number: 20250033130
    Abstract: The present invention provides a laser soldering apparatus and a soldering method, the laser soldering apparatus including: a solder unit for forming a bonding surface by performing the soldering by a laser beam, and comprising at least one nozzle unit for accommodating a solder ball to which the laser beam is irradiated; and a monitoring unit arranged on one side of the solder unit to monitor the irradiation position of the laser beam, wherein the irradiation position of the laser beam irradiated from the solder unit is adjusted to be irradiated to the central point of the nozzle unit or the solder ball according to the monitoring result of the monitoring unit.
    Type: Application
    Filed: September 20, 2022
    Publication date: January 30, 2025
    Applicant: LASERVALL TECHNOLOGY CO., LTD
    Inventors: Byoung Chan CHOI, Yong Woo CHUNG
  • Publication number: 20250033142
    Abstract: The present invention relates to a laser processing apparatus comprising an intelligent optical head, and provides a laser processing apparatus comprising: a laser generation unit; a beam conversion apparatus for adjusting the size or shape of a laser beam generated by the laser generation unit; a beam adjustment unit for adjusting the focal position of the laser beam comprising passed through the beam conversion apparatus; a heat distribution measurement unit for measuring at least one of the surface temperature and the melting temperature of a processing target; a control unit for adjusting or controlling the intensity of the laser beam at the measured temperature of the processing target; and a beam focusing unit for focusing and transmitting the laser beam comprising passed through the beam conversion apparatus to the processing target, and a method including same.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 30, 2025
    Applicant: LASERVALL TECHNOLOGY CO., LTD
    Inventors: Jin Ha KIM, Byoung Chan CHOI, Ki Seok KANG
  • Publication number: 20250026101
    Abstract: Provided is a method of manufacturing a stretchable substrate having improved stretching deformation uniformity through control of a spatial crosslinking degree according to various embodiments of the present disclosure to implement the above object. The method includes forming a substrate part of an elastic material, forming an auxetic including a plurality of unit structures on the substrate part, and forming a fixing part on the substrate part on which the auxetic is formed, wherein the fixing part has a different crosslinking density in each region.
    Type: Application
    Filed: September 14, 2023
    Publication date: January 23, 2025
    Applicant: Korea Institute of Science and Technology
    Inventors: Seungjun CHUNG, Jun Chan CHOI, Hoon Yeub JEONG, Jeong Gon SON, Heesuk KIM, Phillip LEE
  • Publication number: 20250026102
    Abstract: Provided is a method of manufacturing a stretchable substrate having improved thickness deformation uniformity through control of a spatial crosslinking degree according to various embodiments of the present disclosure to implement the above object. The method includes forming a substrate part of an elastic material, forming an auxetic including a plurality of unit structures on the substrate part, and forming a fixing part on the substrate part on which the auxetic is formed, wherein the fixing part has a different vertical crosslinking density at each position.
    Type: Application
    Filed: September 14, 2023
    Publication date: January 23, 2025
    Applicant: Korea Institute of Science and Technology
    Inventors: Seungjun CHUNG, Jun Chan CHOI, Hoon Yeub JEONG, Phillip LEE, Jeong Gon SON, Heesuk KIM
  • Patent number: 12194394
    Abstract: A method and apparatus for supplying insulating liquid to form an insulating coating layer on an electrode is disclosed herein. In some embodiments, an apparatus includes a storage tank for storing an insulating liquid; a coating die for coating the insulating liquid on an electrode; a supply line which supplies the insulating liquid from the storage tank to the coating die; a pump connected to the supply line; a defoaming tank connected to the storage tank and supplies defoamed insulating liquid to the storage tank; a vacuum pump which defoams bubbles of the insulating liquid by applying vacuum to the defoaming tank; a bubble sensor connected to the supply line, wherein the bubble sensor senses generation of bubbles in the supply line in real time; and a controller for adjusting an operating condition of the apparatus based on an amount of bubbles sensed by the bubble sensor.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: January 14, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jin Ki Han, Joon Sun Park, Jae Young Sung, In Chan Choi
  • Publication number: 20250011169
    Abstract: An apparatus for manufacturing hydrogen peroxide water by using electrostatic spraying is disclosed. An apparatus for manufacturing hydrogen peroxide water by using electrostatic spraying according to a first embodiment of the present disclosure comprises: a nozzle unit for spraying reaction water; a ground unit disposed opposite to the nozzle unit; and a power supply unit for applying a high voltage between the nozzle unit and the ground unit, wherein the reaction water is formed into fine droplets with a particle size of 20 ?m or less in the nozzle unit and is electrostatically sprayed, and ionized hydrogen ions (H+) and hydroxide ions (OH?) react with each other again to form hydrogen peroxide.
    Type: Application
    Filed: November 12, 2021
    Publication date: January 9, 2025
    Applicant: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Jong Won CHOI, Hak Geun JEONG, Young Chan CHOI, Gil Bong LEE, Young Joo LEE, Kang San LEE, Jun Su PARK
  • Publication number: 20240431166
    Abstract: A display apparatus having a connection electrode which crosses a bending area may be provided. The connection electrode may be disposed on a device substrate including a bending area between a display area and a pad area. The connection electrode may connect the display area and the pad area across the bending area. The connection electrode may have a stacked structure of the lower connecting electrode and the upper connecting electrode. A light-emitting device, an encapsulating element and a touch electrode may be sequentially stacked on the display area of the device substrate. The upper connecting electrode may include the same material as the touch electrode. Thus, in the display apparatus, the disconnection of the connection electrode due to bending stress and external impact may be reduced.
    Type: Application
    Filed: September 6, 2024
    Publication date: December 26, 2024
    Inventors: Jeong-Oh Kim, Seung-Chan Choi, Jei-Hyun Lee
  • Patent number: 12147472
    Abstract: There is provided a data interworking method between a oneM2M system and an NGSI-LD system. The data interworking method according to an embodiment of the present disclosure includes: retrieving, by an IPE, resources in the oneM2M system that perform data interworking with the NGSI-LD system; retrieving labels of the retrieved resources; acquiring a mapping-rule from the retrieved labels; and storing the acquired mapping-rule. Accordingly, data interworking between data platforms using different standards is performed more easily, so that technology may go one step further to the goal of interconnecting and servicing all things in a global environment as IoT ultimately pursues.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: November 19, 2024
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Seong Yun Kim, Sung Chan Choi, Jong Hong Park, Sung Wook Jung
  • Patent number: 12116590
    Abstract: The present disclosure relates to a large-scale production method of plant exosomes. The method of the present disclosure can isolate high purity plant exosomes from a large amount of raw plants, using centrifugation and TFF, which can process a large amount of plant raw materials at once. This improves a conventional isolation process of plant exosomes stayed at the laboratory level, and thereby, suggests an easy process for large-scale production.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: October 15, 2024
    Assignees: Industry-University Cooperation Foundation Hanyang University ERICA Campus, EXOSTEMTECH CO., LTD.
    Inventors: Yong-Woo Cho, Ji-Suk Choi, Young-Chan Choi, Min-Kang Kim
  • Patent number: 12114548
    Abstract: A display apparatus having a connection electrode which crosses a bending area may be provided. The connection electrode may be disposed on a device substrate including a bending area between a display area and a pad area. The connection electrode may connect the display area and the pad area across the bending area. The connection electrode may have a stacked structure of the lower connecting electrode and the upper connecting electrode. A light-emitting device, an encapsulating element and a touch electrode may be sequentially stacked on the display area of the device substrate. The upper connecting electrode may include the same material as the touch electrode. Thus, in the display apparatus, the disconnection of the connection electrode due to bending stress and external impact may be reduced.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: October 8, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong-Oh Kim, Seung-Chan Choi, Jei-Hyun Lee
  • Publication number: 20240295052
    Abstract: A method for manufacturing a melt-spun nonwoven fabric, in which fibers obtained by melt-spinning a thermoplastic polymer through a spinning nozzle having at least one or more nozzle holes are collected by high-speed air stream according to a spunbond method, includes: the steps of: allowing the melt-spun fibers to pass through local nozzle heaters of a nozzle heating mantle located just on the underside of the spinning nozzle during the spinning; and allowing the melt-spun fibers to be subjected to momentary local heating with a temperature difference of 0.1 to 1,000° C. from a temperature of a pack body. Polypropylene (PP) having a melt flow index (MFI) of 3 to 900 or polyethylene terephthalate (PET) having intrinsic viscosity (I.V.) of 0.5 to 3.0 is subjected to momentary local heating to a high temperature during the spinning to thus perform fiber fineness.
    Type: Application
    Filed: May 13, 2024
    Publication date: September 5, 2024
    Inventors: Wan Gyu HAHM, Byeong Jin YEANG, Young Chan CHOI, Hyun Ju OH
  • Publication number: 20240238153
    Abstract: The present disclosure relates to a hybrid massage module of a massage device. The hybrid massage module according to the present disclosure may include: a module base provided in a massage device; an actuator provided at the module base so as to provide power for at least one from among vibration, linear movement, rotational movement, and massage position adjustment for massaging of the body; a coupling bracket connected to the actuator so as to transmit power of the actuator; a unit bracket provided at the coupling bracket so as to be rotatable around a hinge shaft; an elastic member for elastically supporting the unit bracket with respect to the coupling bracket; a sample member rotatably provided at the unit bracket so as to apply acupressure to the body while rolling along body parts of the user; and a locking unit for locking or unlocking the unit bracket to or from the coupling bracket by means of a control signal applied from a control unit of the massage device.
    Type: Application
    Filed: December 19, 2022
    Publication date: July 18, 2024
    Inventors: Ju Song HUR, Sung Chan CHOI
  • Patent number: 12018415
    Abstract: The present invention relates to a method for manufacturing a melt-spun nonwoven fabric and a microfiber nonwoven web manufactured therefrom. The present invention relates to a method for manufacturing a melt-spun nonwoven fabric, in which fibers obtained by melt-spinning a thermoplastic polymer through a spinning nozzle including at least one nozzle hole are collected by high-speed air stream, wherein the melt-spun fibers are subjected to momentary local heating at a high temperature higher than a spinning temperature while same are caused to pass through a nozzle local heating provided directly under the spinning nozzle during spinning, so that the method can lower the melt flow index and spinline elongation viscosity of a thermoplastic resin discharged from the nozzle hole without reducing a molecular weight, thereby providing a microfiber nonwoven web formed by finely thin fibers, compared to the conventional spun-bond nonwoven fabric.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: June 25, 2024
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Wan Gyu Hahm, Byeong Jin Yeang, Young Chan Choi, Hyun Ju Oh
  • Patent number: 12005019
    Abstract: Provided is a massage module and a massage device including same. The massage module may include: a procedure member including an upper finger member and a lower finger member cooperating with the upper finger member; and a cam driving part connected to the upper finger member so as to move the upper finger member in the vertical direction, so that the upper finger member and the lower finger member are away from or close to each other.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: June 11, 2024
    Assignee: BODYFRIEND CO., LTD.
    Inventors: Sung Chan Choi, Cheul Kyu Jin, Myeong Jin You, Gi Won Um, Jong Sick Park
  • Publication number: 20240184824
    Abstract: There is provided a data interworking method between a oneM2M system and an NGSI-LD system. The data interworking method according to an embodiment of the present disclosure includes: retrieving, by an IPE, resources in the oneM2M system that perform data interworking with the NGSI-LD system; retrieving labels of the retrieved resources; acquiring a mapping-rule from the retrieved labels; and storing the acquired mapping-rule. Accordingly, data interworking between data platforms using different standards is performed more easily, so that technology may go one step further to the goal of interconnecting and servicing all things in a global environment as IoT ultimately pursues.
    Type: Application
    Filed: October 19, 2021
    Publication date: June 6, 2024
    Applicant: Korea Electronics Technology Institute
    Inventors: Seong Yun KIM, Sung Chan CHOI, Jong Hong PARK, Sung Wook JUNG
  • Publication number: 20240179838
    Abstract: Disclosed herein is a method of manufacturing an auxetic stretchable substrate with a flexible joint structure according to various embodiments of the present invention. The method includes preparing a substrate made of an elastic material, and forming an auxetic to form a plurality of first regions on the substrate, each of the plurality of first regions is a region in which a material constituting the auxetic is not printed, and at least some of the plurality of first regions have different lengths.
    Type: Application
    Filed: January 23, 2023
    Publication date: May 30, 2024
    Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seungjun CHUNG, Jun Chan CHOI, Jae Hong SUN, Heesuk KIM, Jeong Gon SON, Phillip LEE