Patents by Inventor Sung-hwan Choi

Sung-hwan 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).

  • Patent number: 12215895
    Abstract: Provided is a carbon monoxide (CO) leak alerting device and method, and more specifically, a CO leak alerting device and method, whereby, by operating on the basis of the Internet of Things (IoT), a CO leak caused by damage to a boiler flue is detected, an alert is issued through two or more among the CO leak alerting device, a boiler controller and a wall pad, boiler ventilation and indoor air ventilation are automatically carried out when the leak is determined to have occurred, and authorities relevant to the CO leak, and a user are directly notified of the CO leak.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: February 4, 2025
    Assignee: NANOKEM CO., LTD.
    Inventors: Young-Hwan Choi, Sung-An Ha, Jung-Jae Jang
  • Publication number: 20250018900
    Abstract: An integrated cleaning module of a vehicle sensor includes a washing liquid supply module configured to supply cleaning liquid; and an air supply module connected to the washing liquid supply module and configured to supply air. The air supply module includes a compressor configured to generate compressed air; an air tank in which the compressed air generated by the compressor is stored; and an integrated dispenser configured to be in fluid connection with the washing liquid supply module and the air tank. The integrated dispenser is configured to distribute the cleaning liquid and the compressed air.
    Type: Application
    Filed: November 27, 2023
    Publication date: January 16, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, HYUNDAM INDUSTRIAL CO., LTD., DONG HEE INDUSTRIAL CO., LTD.
    Inventors: Seong Cheol Cho, Yoon Geun Cho, Sung Won Lee, Je Yeon Kim, Chul Young Choi, Hyun Su Yoo, Kyun Bum Park, Kun Su Hwang, Bu Hyeon Cho, Chan Yo Jeon, Seung Hwan Lee
  • Publication number: 20250024698
    Abstract: An object of the present invention is to provide a material for organic EL elements, the material being excellent in hole injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability. Another object of the present invention is to provide an organic EL element having high efficiency, a low driving voltage, and a long lifespan, by combining the aforementioned material with various materials for organic EL elements, the materials being excellent in hole/electron injecting/transporting performance, electron-blocking capability, stability in the form of a thin film, and durability, such that the properties of the individual materials can be effectively exhibited.
    Type: Application
    Filed: August 1, 2022
    Publication date: January 16, 2025
    Applicants: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD.
    Inventors: Junichi IZUMIDA, Sang-Won KO, Bong-Hyang LEE, Jung-Ho RYU, Jin-ho LEE, Kouki KASE, Shuichi HAYASHI, Se-Jin LEE, Tae-Jung YU, Young-Tae CHOI, Sung-Hoon JOO, Byung-Sun YANG, Ji-Hwan KIM, Bong-Ki SHIN
  • Publication number: 20250023237
    Abstract: According to an embodiment of the present disclosure, provided is a radiation element structure arranged on a reflective plate, comprising: a radiation unit including a dielectric portion made from plastic material and first to fourth radiation arms arranged in a four-sided symmetrical structure on one surface of the dielectric portion; and a plurality of balun units, including a balun body connecting the reflective plate and the radiation unit, a feed line disposed on the upper surface of the balun body to feed the radiation unit, and a ground disposed on the lower surface of the balun body.
    Type: Application
    Filed: September 27, 2024
    Publication date: January 16, 2025
    Applicant: KMW INC.
    Inventors: Young Chan MOON, Sung Hwan SO, Kwang Seok CHOI, Seong Man KANG, Hun Jung JUNG, Seung Han SON, Yong Sang LEE, Oh Seog CHOI
  • Publication number: 20250017524
    Abstract: An electrocardiogram monitoring device comprising an electrical stimulation function, according to one embodiment, comprises: an electrocardiogram measurement module, which includes two or more electrodes for electrocardiogram measurement and measures the electrocardiogram of a user on a predetermined electrocardiogram signal acquisition cycle; an electrical stimulation module including two or more electrode pads, which make contact with the skin of the user and provide electrical stimulation; and a control module for controlling the operation of the electrocardiogram measurement module and the electrical stimulation module, wherein the control module can control the electrical stimulation module to output electrical stimulation between signal acquisition timings of the acquisition cycle on the basis of an electrocardiogram measurement result for the user from the electrocardiogram measurement module.
    Type: Application
    Filed: September 15, 2022
    Publication date: January 16, 2025
    Inventors: Jung Hwan PARK, Hyun Seok CHOI, Sung Pil CHO
  • Patent number: 12163695
    Abstract: The present invention relates to a heat exchanger pipe enabling heat exchange between fluid flowing through the pipe and fluid existing outside the pipe, and a method of manufacturing the heat exchanger pipe. In particular, the present invention relates to a heat exchanger pipe that improves a heat exchange rate by making flow of fluid through the pipe more active and increasing a contact amount, that has an improved contact characteristic and a sealing characteristic between an outer pipe and an insert inserted in the outer pipe in the process of manufacturing, and that is easily manufactured; and a method of manufacturing the heat exchanger pipe.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: December 10, 2024
    Inventor: Sung-Hwan Choi
  • Patent number: 12051314
    Abstract: The present disclosure relates to a gas and earthquake detector, a gas and earthquake remote monitoring system using the same and a method thereof, and more particularly, to a gas and earthquake detector, a gas and earthquake remote monitoring system using the same and a method thereof, which detect a plurality of gases and earthquakes, detect and autonomously warn gas leakage of a plurality of detection target devices sensitive to the gas and the earthquake, and the earthquake around the detection target device, and easily register the gas leakage and the earthquake in a remote management means through a user mobile terminal of a user to monitor the gas leakage of the detection target device and the earthquake at a detection target device location through the remote management means.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: July 30, 2024
    Assignee: NANOKEM CO., LTD.
    Inventors: Sung-Hwan Choi, Young-Hwan Choi, Sung-An Ha
  • Patent number: 12049842
    Abstract: An embodiment coolant control module includes a housing including a coolant inlet configured to receive a coolant, a coolant outlet configured to discharge the coolant, an internal passage connecting the coolant inlet and the coolant outlet, and a pump mounting part adjacent to the coolant outlet. The coolant control module further includes a control valve disposed inside the housing and configured to change a direction of the coolant, a coolant pump coupled to the pump mounting part of the housing, a driving motor unit mounted on the housing, connected to the control valve, and configured to drive the control valve, and a controller mounted on the housing, connected to the coolant pump and the driving motor unit, and configured to control an operation of the coolant pump and the driving motor unit.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: July 30, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, Hanon Systems, Hanon Systems EFP Korea Inc.
    Inventors: Yeonho Kim, Jae Yeon Kim, Hoyoung Jeong, Ho Sung Kang, Do-Hyun Kim, Oh-Sang Shin, Sung-Hwan Choi, Sang Hyun Lee, Seong Woo Jeong, Jungbum Choi, Jeong Wan Han
  • Publication number: 20240213853
    Abstract: A coolant control unit is configured to implement a stable operation of a control unit by means of heat exchange between high-temperature thermal energy generated by the control unit and low-temperature thermal energy of a coolant. The coolant control unit includes a valve unit rotatably installed in the housing unit and configured to change a transmission direction of a coolant.
    Type: Application
    Filed: September 27, 2022
    Publication date: June 27, 2024
    Inventors: Sung Hwan Choi, Oh Sang Shin, Jeong Min Shim, Gwang Yeol Byeon
  • Patent number: 12007730
    Abstract: A method of managing data is proposed. The method includes collecting information, wherein detection values respectively matched to time points successive in time series are continuously collected, dividing sections, wherein a reference section is set, and remaining time points is divided into a correction section, calculating an equation, wherein a time point of the reference section and a detection value matched thereto are respectively set as a reference time point and a reference value, performing correction, wherein correction values calculated according to a time interval are calculated, verifying accuracy, wherein whether a ratio of the time points of the correction section to the time points is less than or equal to a preset allowable ratio is checked, and storing the data, wherein the reference value, equation, detection values or correction values, and correspondingly matched time points are stored as the data for the reference section and correction section.
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: June 11, 2024
    Assignee: Kevinlab Co.
    Inventors: Kyung Hak Kim, Sung Hwan Choi
  • Publication number: 20240098001
    Abstract: The present disclosure relates to a data management system and method and, more particularly, to a data management system and method using a docker system in an edge computing environment, the system and method collecting and managing data for each of control operation targets and each of characteristic of the control operation targets using a docker system in an edge computing-cloud computing linkage environment, and enabling an edge server to stably operate in accordance with the characteristics of the control operation targets even though communication between the edge server of an edge computing environment and a cloud server is impossible.
    Type: Application
    Filed: September 12, 2023
    Publication date: March 21, 2024
    Applicant: Kevinlab Co.
    Inventors: Kyung Hak KIM, Sung Hwan CHOI
  • Publication number: 20230420953
    Abstract: The present disclosure provides a power supply system and method for a collective building by supplying power to common loads for common purposes of a large number of households constituting a collective building and to separate loads for separate purposes of the households. The power supply system includes at least: a new renewable energy facility that produces power that is used by the common loads and the separate loads of the households; an energy storage system that stores power produced at the new renewable energy facility; and a power supply facility that supplies power stored in the energy storage system to external loads, in which the power stored in the energy storage system is equally assigned to the households and the power assigned to the households is supplied to at least one of the common loads, the separate loads, and the external loads.
    Type: Application
    Filed: June 27, 2023
    Publication date: December 28, 2023
    Applicant: Kevinlab Co.
    Inventors: Kyung Hak KIM, Sung Hwan CHOI
  • Publication number: 20230420952
    Abstract: The present disclosure provides a power supply system and method for a collective building by supplying power to common loads for common purposes of a large number of households constituting a collective building and to separate loads for separate purposes of the households, the power supply system including: a first new renewable energy facility that does not require an operation cost for producing power that is used by the separate load of the households and the common loads; a second new renewable energy facility that requires an operation cost for producing power that is used by the separate load of the households and the common loads; and an energy storage system that stores power produced at the first and second new renewable energy facilities, in which the first new renewable energy facility is always operated and the second new renewable energy facility is selectively operated.
    Type: Application
    Filed: June 27, 2023
    Publication date: December 28, 2023
    Applicant: Kevinlab Co.
    Inventors: Kyung Hak KIM, Sung Hwan CHOI
  • Publication number: 20230419424
    Abstract: An aspect of a power supply system for a collective building according to an embodiment of the present disclosure is a system for supplying power to common loads that consume power for common purposes of a large number of households constituting a collective building and to separate loads that consume power for separate purposes of the households, the power supply system including: a new renewable energy facility that produces power that is used by the common loads and the separate loads of the households; and an energy storage system that stores power produced at the new renewable energy facility, in which the power stored in the energy storage system is equally assigned to the households and the power assigned to the households is supplied to at least one of the common loads and the separate loads.
    Type: Application
    Filed: June 27, 2023
    Publication date: December 28, 2023
    Applicant: Kevinlab Co.
    Inventors: Kyung Hak KIM, Sung Hwan CHOI
  • Publication number: 20230358440
    Abstract: The present disclosure relates to a boiler for making hot water and room heating water available simultaneously, which is capable of enabling a user to use hot water and room heating simultaneously. According to the present disclosure, a thermal loss of room heating water may be minimized because the room heating water is independently supplied to a room heating pipe and returned regardless of the use of hot water, and the hot water with a high temperature may be consistently supplied because the hot water is independently supplied to a hot water pipe and returned regardless of the use of the room heating water. In addition, the boiler may serve as both a hot-water heat exchanger and a distributor (low loss header).
    Type: Application
    Filed: April 27, 2021
    Publication date: November 9, 2023
    Inventor: Sung-Hwan CHOI
  • Publication number: 20230358159
    Abstract: An embodiment coolant control module includes a housing including a coolant inlet configured to receive a coolant, a coolant outlet configured to discharge the coolant, an internal passage connecting the coolant inlet and the coolant outlet, and a pump mounting part adjacent to the coolant outlet. The coolant control module further includes a control valve disposed inside the housing and configured to change a direction of the coolant, a coolant pump coupled to the pump mounting part of the housing, a driving motor unit mounted on the housing, connected to the control valve, and configured to drive the control valve, and a controller mounted on the housing, connected to the coolant pump and the driving motor unit, and configured to control an operation of the coolant pump and the driving motor unit.
    Type: Application
    Filed: September 7, 2021
    Publication date: November 9, 2023
    Inventors: Yeonho Kim, Jae Yeon Kim, Hoyoung Jeong, Ho Sung Kang, Do-Hyun Kim, Oh-Sang Shin, Sung-Hwan Choi, Sang Hyun Lee, Seong Woo Jeong, Jungbum Choi, Jeong Wan Han
  • Patent number: 11796206
    Abstract: A control method for air conditioning is proposed. The control method, which is provided to operate an air conditioning apparatus air conditioning an interior space, includes selecting either a comfort priority mode and an energy saving mode as an operational mode, inputting an input air conditioning temperature for air conditioning the interior space, setting a basic air conditioning temperature or a revised air conditioning temperature, by comparing the input air conditioning temperature and the basic air conditioning temperature read out from data in a database, as an air conditioning operational temperature, and operating the air conditioning apparatus so that the interior space is air conditioned at the air conditioning operational temperature.
    Type: Grant
    Filed: February 7, 2023
    Date of Patent: October 24, 2023
    Assignee: Kevinlab Co.
    Inventors: Kyung Hak Kim, Sung Hwan Choi
  • Publication number: 20230236556
    Abstract: A method of managing data is proposed. The method includes collecting information, wherein detection values respectively matched to time points successive in time series are continuously collected, dividing sections, wherein a reference section is set, and remaining time points is divided into a correction section, calculating an equation, wherein a time point of the reference section and a detection value matched thereto are respectively set as a reference time point and a reference value, performing correction, wherein correction values calculated according to a time interval are calculated, verifying accuracy, wherein whether a ratio of the time points of the correction section to the time points is less than or equal to a preset allowable ratio is checked, and storing the data, wherein the reference value, equation, detection values or correction values, and correspondingly matched time points are stored as the data for the reference section and correction section.
    Type: Application
    Filed: February 7, 2023
    Publication date: July 27, 2023
    Applicant: Kevinlab Co.
    Inventors: KYUNG HAK KIM, SUNG HWAN CHOI
  • Publication number: 20230152005
    Abstract: The present invention relates to a heat exchanger pipe enabling heat exchange between fluid flowing through the pipe and fluid existing outside the pipe, and a method of manufacturing the heat exchanger pipe. In particular, the present invention relates to a heat exchanger pipe that improves a heat exchange rate by making flow of fluid through the pipe more active and increasing a contact amount, that has an improved contact characteristic and a sealing characteristic between an outer pipe and an insert inserted in the outer pipe in the process of manufacturing, and that is easily manufactured; and a method of manufacturing the heat exchanger pipe.
    Type: Application
    Filed: January 13, 2023
    Publication date: May 18, 2023
    Inventor: Sung-Hwan CHOI
  • Publication number: 20230137422
    Abstract: Proposed is a composition for orthodontic correction and prevention and treatment of dental disorders, and the composition contains mesoporous silica particles and a zwitterionic material. The composition may reduce thickness and biomass of a saliva-derived biofilm, increase antifouling ability, and reduce viability of bacteria due to an adhesion resistance to fungi and bacteria. In addition, the composition may prevent protein adsorption, provide excellent wettability and mechanical properties, provide resistance to inflammation through amplification of SOD activity, and prevent aggregation of ceria particles. Due to the advantages stated above, a new dental material that overcomes the problems of existing dental materials may be provided.
    Type: Application
    Filed: December 3, 2021
    Publication date: May 4, 2023
    Inventors: Byung Youn CHOI, Sang Hoon LEE, Mee Ae KIM, Geun LEE, Jae Sik KIM, Sung Hwan CHOI, Jae Sung KWON, Jie JIN, Ji Young SEO