Patents Assigned to VISION TECH Corporation
  • Patent number: 12665333
    Abstract: The present disclosure relates to an electrical outlet having a leakage current limiting function, in which a current leaked from a phase voltage line (R line or T line or S line) terminal of the electrical outlet may be limited by expanding an area of a neutral line (N line) terminal of an electrical outlet into which a plug of an electronic device is inserted and coupled, so that the risk of electric shock to the human body due to a leakage current can be minimized.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: June 23, 2026
    Assignee: VISION TECH Corporation
    Inventor: Ho Seok Lee
  • Patent number: 12658690
    Abstract: The present disclosure relates to a movable distribution board having a leakage current limiting function, in which the movable distribution board is implemented in a mobile manner so that the movable distribution board may be used in various places, the circuit breaker, the terminal block, and the electrical outlet having a leakage current limiting function are provided therein to limit a current leaking from the distribution board when the movable distribution board is used in the field, and thus, the risk of electric shock to the human body due to the leakage current can be minimized.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: June 16, 2026
    Assignee: VISION TECH Corporation
    Inventor: Ho Seok Lee
  • Publication number: 20260112865
    Abstract: The present invention relates to a distribution box with a leakage current limiting function, which includes a conductor enclosure electrically connected to one neutral line (N) of a main breaker or at least one distribution circuit breaker and configured to expand a neutral line area and limit a leakage current, and the conductor enclosure is implemented to be corrosion-resistant to effectively limit the leakage current so that a stable leakage current limiting operation can be secured.
    Type: Application
    Filed: December 27, 2024
    Publication date: April 23, 2026
    Applicant: VISION TECH Corporation
    Inventor: Ho Seok LEE
  • Patent number: 12573779
    Abstract: The present disclosure relates to a plug having a leakage current limiting function, in which a current leaked from a phase voltage line (R line or T line or S line) plug pin of the plug may be limited by expanding an area of a neutral line (N line) plug pin of the plug of an electronic device, and thus the risk of electric shock to a human body due to the leakage current can be minimized.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: March 10, 2026
    Assignee: VISION TECH Corporation
    Inventor: Ho Seok Lee
  • Patent number: 12562515
    Abstract: The present disclosure relates to a three-phase terminal block having a leakage current limiting function, in which a leakage current may be limited by expanding an area of a neutral line of a three-phase four-wire line connected to the terminal block, and thus the risk of electric shock to the human body due to the leakage current may be minimized.
    Type: Grant
    Filed: July 19, 2023
    Date of Patent: February 24, 2026
    Assignee: VISION TECH Corporation
    Inventor: Ho Seok Lee
  • Publication number: 20260045784
    Abstract: The present disclosure relates to an earth leakage breaker system with a leakage current limiting function, which can enhance leakage current limiting efficiency by additionally expanding areas of an input-side leakage current limiting unit and an output-side leakage current limiting unit that perform the leakage current limiting function and can ensure stable leakage current limiting operation by implementing the input-side leakage current limiting unit and the output-side leakage current limiting unit with enhanced corrosion resistance.
    Type: Application
    Filed: February 12, 2025
    Publication date: February 12, 2026
    Applicant: VISION TECH Corporation
    Inventor: Ho Seok LEE
  • Patent number: 12548726
    Abstract: The present disclosure relates to a circuit breaker terminal box having a leakage current blocking function, in which a current leaking from both an input side and an output side of an earth leakage circuit breaker may be limited by expanding areas of a neutral line input terminal and a neutral line output terminal on both the input side and the output side of the earth leakage circuit breaker, and thus the risk of electric shock to the human body due to the leakage current can be minimized.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: February 10, 2026
    Assignee: VISION TECH Corporation
    Inventor: Ho Seok Lee
  • Patent number: 12506329
    Abstract: The present disclosure relates to a distribution board bus bar module having a leakage current limiting function, in which a current leaking from a bus bar module used in a distribution board may be limited by expanding an area of a bus bar connected to a neutral line among bus bars of the bus bar module used in the distribution board, and thus the risk of electric shock to the human body due to a leakage current can be minimized.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: December 23, 2025
    Assignee: VISION TECH Corporation
    Inventor: Ho Seok Lee
  • Patent number: 12489229
    Abstract: The present invention relates to a terminal block having a leakage current restricting function, in which leakage current is restricted by using differences in the areas of conductive electrodes connecting the ends of a single-phase three line input side phase voltage line (R line), neutral line (N line) and ground line (G) with the output side phase voltage line (R line), neutral line (N line) and ground line (G), respectively, and thus electric shock accidents can be more effectively prevented.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: December 2, 2025
    Assignee: VISION TECH Corporation
    Inventor: Ho Seok Lee
  • Publication number: 20250125694
    Abstract: Disclosed is a collection net for restricting leakage current of an underwater motor implemented to restrict inflow of leakage current leaking from phase voltage lines of a three-phase power cable connected to the underwater motor into the human body by increasing the area of a neutral line of the three-phase power cable configured to apply power to the underwater motor, so as to prevent electrical shock accidents.
    Type: Application
    Filed: April 21, 2024
    Publication date: April 17, 2025
    Applicant: VISION TECH Corporation
    Inventor: Jin Sung LEE
  • Patent number: 12266455
    Abstract: The present disclosure relates to an electrical wire having a leakage current limiting function, in which, since a neutral line is provided to have a greater cross-sectional area than that of a phase voltage line, a leakage current leaking from the phase voltage line may be limited, and thus the risk of electric shock to the human body due to the leakage current may be minimized.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: April 1, 2025
    Assignee: VISION TECH CORPORATION
    Inventor: Ho Seok Lee
  • Publication number: 20250105566
    Abstract: Disclosed is a jack connection-type electrical connector with a leakage current restriction function implemented to restrict leakage current by increasing the area of a neutral line terminal of the electrical connector for branching power supplied from a power system to a load, so as to prevent electrical shock accidents.
    Type: Application
    Filed: April 22, 2024
    Publication date: March 27, 2025
    Applicant: VISION TECH Corporation
    Inventor: Jin Sung LEE
  • Publication number: 20240305072
    Abstract: The present disclosure relates to a distribution board bus bar module having a leakage current limiting function, in which a current leaking from a bus bar module used in a distribution board may be limited by expanding an area of a bus bar connected to a neutral line among bus bars of the bus bar module used in the distribution board, and thus the risk of electric shock to the human body due to a leakage current can be minimized.
    Type: Application
    Filed: July 20, 2023
    Publication date: September 12, 2024
    Applicant: VISION TECH Corporation
    Inventor: Ho Seok LEE
  • Publication number: 20240305020
    Abstract: The present disclosure relates to a three-phase terminal block having a leakage current limiting function, in which a leakage current may be limited by expanding an area of a neutral line of a three-phase four-wire line connected to the terminal block, and thus the risk of electric shock to the human body due to the leakage current may be minimized.
    Type: Application
    Filed: July 19, 2023
    Publication date: September 12, 2024
    Applicant: VISION TECH Corporation
    Inventor: Ho Seok LEE
  • Publication number: 20240290564
    Abstract: The present disclosure relates to a circuit breaker terminal box having a leakage current blocking function, in which a current leaking from both an input side and an output side of an earth leakage circuit breaker may be limited by expanding areas of a neutral line input terminal and a neutral line output terminal on both the input side and the output side of the earth leakage circuit breaker, and thus the risk of electric shock to the human body due to the leakage current can be minimized.
    Type: Application
    Filed: July 20, 2023
    Publication date: August 29, 2024
    Applicant: VISION TECH Corporation
    Inventor: Ho Seok LEE
  • Publication number: 20240291269
    Abstract: The present disclosure relates to a movable distribution board having a leakage current limiting function, in which the movable distribution board is implemented in a mobile manner so that the movable distribution board may be used in various places, the circuit breaker, the terminal block, and the electrical outlet having a leakage current limiting function are provided therein to limit a current leaking from the distribution board when the movable distribution board is used in the field, and thus, the risk of electric shock to the human body due to the leakage current can be minimized.
    Type: Application
    Filed: July 20, 2023
    Publication date: August 29, 2024
    Applicant: VISION TECH Corporation
    Inventor: Ho Seok LEE
  • Publication number: 20240282487
    Abstract: The present disclosure relates to an electrical wire having a leakage current limiting function, in which, since a neutral line is provided to have a greater cross-sectional area than that of a phase voltage line, a leakage current leaking from the phase voltage line may be limited, and thus the risk of electric shock to the human body due to the leakage current may be minimized.
    Type: Application
    Filed: July 20, 2023
    Publication date: August 22, 2024
    Applicant: VISION TECH Corporation
    Inventor: Ho Seok LEE
  • Publication number: 20240275097
    Abstract: The present disclosure relates to an electrical outlet having a leakage current limiting function, in which a current leaked from a phase voltage line (R line or T line or S line) terminal of the electrical outlet may be limited by expanding an area of a neutral line (N line) terminal of an electrical outlet into which a plug of an electronic device is inserted and coupled, so that the risk of electric shock to the human body due to a leakage current can be minimized.
    Type: Application
    Filed: July 20, 2023
    Publication date: August 15, 2024
    Applicant: VISION TECH Corporation
    Inventor: Ho Seok LEE
  • Publication number: 20240275095
    Abstract: The present disclosure relates to a plug having a leakage current limiting function, in which a current leaked from a phase voltage line (R line or T line or S line) plug pin of the plug may be limited by expanding an area of a neutral line (N line) plug pin of the plug of an electronic device, and thus the risk of electric shock to a human body due to the leakage current can be minimized.
    Type: Application
    Filed: July 20, 2023
    Publication date: August 15, 2024
    Applicant: VISION TECH Corporation
    Inventor: Ho Seok LEE
  • Publication number: 20230299513
    Abstract: The present invention relates to a terminal block having a leakage current restricting function, in which leakage current is restricted by using differences in the areas of conductive electrodes connecting the ends of a single-phase three line input side phase voltage line (R line), neutral line (N line) and ground line (G) with the output side phase voltage line (R line), neutral line (N line) and ground line (G), respectively, and thus electric shock accidents can be more effectively prevented.
    Type: Application
    Filed: October 28, 2020
    Publication date: September 21, 2023
    Applicant: VISION TECH Corporation
    Inventor: Ho Seok LEE