| Utility: Self-extinguishing power cable with microcapsules and method for manufacturing same Filling date: 7 Sep 2025 Issue date: 6 Sep 2022 | 2 Aug 2017 | 6 Sep 2022 |
| Utility: Electric power software development platform Filling date: 7 Sep 2025 Issue date: 23 Aug 2022 | 15 Jan 2018 | 23 Aug 2022 |
| Utility: Over-voltage prevention apparatus and method of distribution line connected with distributed generator Filling date: 7 Sep 2025 Issue date: 2 Aug 2022 | 30 Jan 2020 | 2 Aug 2022 |
| Utility: Data transmission system and method in physical network separation environment Filling date: 7 Sep 2025 Issue date: 12 Jul 2022 | 4 Jul 2017 | 12 Jul 2022 |
| Utility: Apparatus and method for diagnosing battery Filling date: 7 Sep 2025 Issue date: 21 Jun 2022 | 24 Jul 2018 | 21 Jun 2022 |
| Utility: Metering data management system and computer readable recording medium Filling date: 7 Sep 2025 Issue date: 24 May 2022 | 21 Nov 2016 | 24 May 2022 |
| Utility: Transformer hydrogen gas monitoring system, device, and method Filling date: 7 Sep 2025 Issue date: 8 Feb 2022 | 18 Aug 2017 | 8 Feb 2022 |
| Utility: Device and method for detecting failure location of underground cable Filling date: 7 Sep 2025 Issue date: 18 Jan 2022 | 24 Aug 2018 | 18 Jan 2022 |
| Utility: Power transformer asset management device and method therefor Filling date: 7 Sep 2025 Issue date: 23 Nov 2021 | 4 Aug 2017 | 23 Nov 2021 |
| Utility: Solid raw material for carbon dioxide absorbent, carbon dioxide absorbent composition comprising same, and carbon dioxide absorbent prepared using same Filling date: 7 Sep 2025 Issue date: 9 Nov 2021 | 18 Nov 2016 | 9 Nov 2021 |
| Utility: Combined power generation apparatus Filling date: 7 Sep 2025 Issue date: 19 Oct 2021 | 22 Jan 2018 | 19 Oct 2021 |
| Utility: AMI system for performing phase detection and synchronization in AMI communication network using relay communication method, and method thereof Filling date: 7 Sep 2025 Issue date: 5 Oct 2021 | 13 Jul 2017 | 5 Oct 2021 |
| Utility: Protective relay test equipment operation device and method Filling date: 7 Sep 2025 Issue date: 24 Aug 2021 | 18 Aug 2017 | 24 Aug 2021 |
| Utility: Pressure generation apparatus and method for superconducting power equipment Filling date: 7 Sep 2025 Issue date: 10 Aug 2021 | 23 Nov 2016 | 10 Aug 2021 |
| Utility: Exhaust gas purification apparatus and exhaust gas purification method using same Filling date: 7 Sep 2025 Issue date: 6 Jul 2021 | 29 Nov 2016 | 6 Jul 2021 |
| Utility: Apparatus for controlling ESS according to transient stability state and method thereof Filling date: 7 Sep 2025 Issue date: 22 Jun 2021 | 2 Aug 2017 | 22 Jun 2021 |
| Utility: System for detecting an abnormality in a carbon dioxide separation membrane plant Filling date: 7 Sep 2025 Issue date: 11 May 2021 | 5 Jan 2018 | 11 May 2021 |
| Utility: Vessel for transporting and installing offshore wind power generator Filling date: 7 Sep 2025 Issue date: 4 May 2021 | 10 Jun 2019 | 4 May 2021 |
| Utility: Method for controlling frequency of stand-alone microgrid and power converter for energy storage device for controlling same Filling date: 7 Sep 2025 Issue date: 16 Mar 2021 | 14 Nov 2016 | 16 Mar 2021 |
| Utility: Reflected-wave processing apparatus Filling date: 7 Sep 2025 Issue date: 9 Mar 2021 | 22 Nov 2016 | 9 Mar 2021 |
| Utility: PCS efficiency-considered microgrid operation device and operation method Filling date: 7 Sep 2025 Issue date: 29 Dec 2020 | 11 Nov 2016 | 29 Dec 2020 |
| Utility: Address generating device of remote smart meter reading system, and method therefor Filling date: 7 Sep 2025 Issue date: 17 Nov 2020 | 25 Sep 2015 | 17 Nov 2020 |
| Utility: System for evaluating performance of carbon dioxide separation membrane module and device therefor Filling date: 7 Sep 2025 Issue date: 3 Nov 2020 | 5 Jan 2018 | 3 Nov 2020 |
| Utility: Control method and control system for energy storage system having demand control and uninterrupted power supply functions Filling date: 7 Sep 2025 Issue date: 27 Oct 2020 | 14 Nov 2016 | 27 Oct 2020 |
| Utility: Damper for reinforcing earthquake resistance Filling date: 7 Sep 2025 Issue date: 6 Oct 2020 | 22 Aug 2018 | 6 Oct 2020 |
| Utility: Waste heat recovery apparatus and control method therefor Filling date: 7 Sep 2025 Issue date: 15 Sep 2020 | 4 Aug 2017 | 15 Sep 2020 |
| Utility: Apparatus and method for diagnosing electric power equipment using thermal imaging camera Filling date: 7 Sep 2025 Issue date: 18 Aug 2020 | 29 Aug 2016 | 18 Aug 2020 |
| Utility: Mid-temperature range dry regenerable solid carbon dioxide sorbent, slurry composition and method for manufacturing the same Filling date: 7 Sep 2025 Issue date: 9 Jun 2020 | 14 May 2019 | 9 Jun 2020 |
| Utility: Method for estimating geothermal gradient and device for estimating geothermal gradient Filling date: 7 Sep 2025 Issue date: 5 May 2020 | 24 Aug 2016 | 5 May 2020 |
| Utility: Stand-alone micro-grid autonomous control system and method Filling date: 7 Sep 2025 Issue date: 14 Apr 2020 | 14 Jul 2016 | 14 Apr 2020 |
| Utility: Apparatus for controlling output voltage for single-type converter, and method therefor Filling date: 7 Sep 2025 Issue date: 7 Apr 2020 | 11 Nov 2016 | 7 Apr 2020 |
| Utility: Device and method for extinction angle control of HVDC system Filling date: 7 Sep 2025 Issue date: 3 Dec 2019 | 24 Nov 2016 | 3 Dec 2019 |
| Utility: Solid carbon dioxide absorbent including amine or a compound thereof for use in the capturing process of dry carbon dioxide, and method for manufacturing same Filling date: 7 Sep 2025 Issue date: 29 Oct 2019 | 10 Nov 2017 | 29 Oct 2019 |
| Utility: Device and method for calculating stability and predicting error of power system network Filling date: 7 Sep 2025 Issue date: 27 Aug 2019 | 24 Jul 2015 | 27 Aug 2019 |
| Utility: Apparatus for managing voltage stability of electrical power grid and method therefor Filling date: 7 Sep 2025 Issue date: 27 Aug 2019 | 2 Jun 2015 | 27 Aug 2019 |
| Utility: Apparatus and method for diagnosing state of power cable and measuring remaining life thereof using VLF TD measurement data Filling date: 7 Sep 2025 Issue date: 27 Aug 2019 | 27 Aug 2014 | 27 Aug 2019 |
| Utility: Agent system for intelligent system management by digital substation and operation method therefor Filling date: 7 Sep 2025 Issue date: 13 Aug 2019 | 1 Jun 2015 | 13 Aug 2019 |
