| Utility: METAL SURFACE TREATMENT COMPOSITION HAVING EXCELLENT SLIP RESISTANCE, AND METAL MATERIAL TO WHICH SAME IS APPLIED Filling date: 6 Sep 2025 Issue date: 4 Mar 2021 | 11 Dec 2018 | 4 Mar 2021 |
| Utility: HIGH-STRENGTH HIGH-TOUGHNESS HOT-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 4 Mar 2021 | 17 Sep 2018 | 4 Mar 2021 |
| Utility: NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PREPARING SAME Filling date: 6 Sep 2025 Issue date: 4 Mar 2021 | 10 Sep 2018 | 4 Mar 2021 |
| Utility: ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PREPARING SAME Filling date: 6 Sep 2025 Issue date: 4 Mar 2021 | 17 May 2018 | 4 Mar 2021 |
| Utility: NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PREPARING SAME Filling date: 6 Sep 2025 Issue date: 4 Mar 2021 | 16 May 2018 | 4 Mar 2021 |
| Utility: NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 4 Mar 2021 | 16 May 2018 | 4 Mar 2021 |
| Utility: GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 25 Feb 2021 | 17 Dec 2018 | 25 Feb 2021 |
| Utility: DOUBLE ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 25 Feb 2021 | 17 Dec 2018 | 25 Feb 2021 |
| Utility: METHOD FOR PRODUCING ORIENTED ELECTRICAL STEEL SHEET WITH ULTRA-LOW IRON LOSS Filling date: 6 Sep 2025 Issue date: 25 Feb 2021 | 6 Dec 2018 | 25 Feb 2021 |
| Utility: HOT-ROLLED STEEL SHEET WITH EXCELLENT LOW-TEMPERATURE TOUGHNESS, STEEL PIPE, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 25 Feb 2021 | 4 Oct 2018 | 25 Feb 2021 |
| Utility: PHOTOVOLTAIC POWER GENERATION MODULE Filling date: 6 Sep 2025 Issue date: 4 Feb 2021 | 7 Dec 2018 | 4 Feb 2021 |
| Utility: LITHIUM TITANIUM COMPOSITE OXIDE COMPRISING ALUMINUM-COATED PRIMARY PARTICLES AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 21 Jan 2021 | 12 Mar 2019 | 21 Jan 2021 |
| Utility: DEPOSITION APPARATUS AND DEPOSITION METHOD Filling date: 6 Sep 2025 Issue date: 21 Jan 2021 | 19 Oct 2018 | 21 Jan 2021 |
| Utility: PLATING STEEL SHEET FOR HOT PRESS FORMING, FORMING MEMBER USING SAME, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 14 Jan 2021 | 21 Dec 2018 | 14 Jan 2021 |
| Utility: ZINC ALLOY-PLATED STEEL HAVING EXCELLENT CORROSION RESISTANCE AND SURFACE SMOOTHNESS, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 14 Jan 2021 | 20 Dec 2018 | 14 Jan 2021 |
| Utility: ZINC ALLOY PLATED STEEL MATERIAL HAVING EXCELLENT SURFACE QUALITY AND CORROSION RESISTANCE, AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 14 Jan 2021 | 13 Dec 2018 | 14 Jan 2021 |
| Utility: HOT-ROLLED STEEL SHEET HAVING EXCELLENT DURABILITY AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 14 Jan 2021 | 15 Nov 2018 | 14 Jan 2021 |
| Utility: LOW-TEMPERATURE STEEL MATERIAL HAVING EXCELLENT TOUGHNESS IN WELDING PORTION THEREOF AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 14 Jan 2021 | 21 Aug 2018 | 14 Jan 2021 |
| Utility: MULTILAYERED ZINC ALLOY PLATED STEEL MATERIAL HAVING EXCELLENT SPOT WELDABILITY AND CORROSION RESISTANCE Filling date: 6 Sep 2025 Issue date: 7 Jan 2021 | 13 Dec 2018 | 7 Jan 2021 |
| Utility: ZINC ALLOY PLATED STEEL MATERIAL HAVING EXCELLENT CORROSION RESISTANCE AFTER BEING PROCESSED AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 7 Jan 2021 | 13 Dec 2018 | 7 Jan 2021 |
| Utility: PREPARATION METHOD FOR LITHIUM PHOSPHATE, PREPARATION METHOD FOR LITHIUM HYDROXIDE, AND PREPARATION METHOD FOR LITHIUM CARBONATE Filling date: 6 Sep 2025 Issue date: 31 Dec 2020 | 18 Dec 2018 | 31 Dec 2020 |
| Utility: ZINC-BASED PLATED STEEL SHEET HAVING POST-TREATED COATING FORMED THEREON AND POST-TREATMENT METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 24 Dec 2020 | 8 Sep 2020 | 24 Dec 2020 |
| Utility: SINGLE LAYER ZINC ALLOY PLATED STEEL MATERIAL EXHIBITING EXCELLENT SPOT WELDABILITY AND CORROSION RESISTANCE, AND FABRICATION METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 24 Dec 2020 | 21 Dec 2017 | 24 Dec 2020 |
| Utility: HIGH STRENGTH STEEL SHEET HAVING EXCELLENT FORMABILITY AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 24 Dec 2020 | 4 Aug 2017 | 24 Dec 2020 |
| Utility: HOT-ROLLED COATED STEEL SHEET WITH EXCELLENT WORKABILITY AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 24 Dec 2020 | 23 Dec 2016 | 24 Dec 2020 |
| Utility: HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT LOW-TEMPERATURE ADHESION AND WORKABILITY, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 17 Dec 2020 | 20 Dec 2018 | 17 Dec 2020 |
| Utility: STEEL MATERIAL FOR LOW YIELD RATIO, HIGH-STRENGTH STEEL PIPE HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 17 Dec 2020 | 18 Dec 2018 | 17 Dec 2020 |
| Utility: UTILITY FERRITIC STAINLESS STEEL WITH EXCELLENT HOT WORKABILITY AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 17 Dec 2020 | 7 Nov 2018 | 17 Dec 2020 |
| Utility: HIGH-STRENGTH HOT-ROLLED PLATED STEEL SHEET, AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 17 Dec 2020 | 6 Mar 2018 | 17 Dec 2020 |
| Utility: WEAR-RESISTANT STEEL HAVING EXCELLENT HARDNESS AND IMPACT TOUGHNESS, AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 10 Dec 2020 | 21 Dec 2018 | 10 Dec 2020 |
| Utility: CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME Filling date: 6 Sep 2025 Issue date: 10 Dec 2020 | 7 Dec 2018 | 10 Dec 2020 |
| Utility: HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT IMPACT RESISTANCE, AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 10 Dec 2020 | 20 Nov 2018 | 10 Dec 2020 |
| Utility: FERRITE-BASED STAINLESS STEEL HAVING IMPROVED PIPE-EXANDING WORKABILITY AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 10 Dec 2020 | 5 Oct 2018 | 10 Dec 2020 |
| Utility: ALLOY-COATED STEEL SHEET AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 10 Dec 2020 | 18 May 2018 | 10 Dec 2020 |
| Utility: CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME Filling date: 6 Sep 2025 Issue date: 10 Dec 2020 | 26 Dec 2017 | 10 Dec 2020 |
| Utility: COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION-RESISTANCE AND SPOT-WELDABILITY, HOT-FORMED MEMBER, AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 10 Dec 2020 | 26 Sep 2017 | 10 Dec 2020 |
| Utility: PLATED STEEL SHEET HAVING EXCELLENT SURFACE QUALITY, STRENGTH AND DUCTILITY Filling date: 6 Sep 2025 Issue date: 3 Dec 2020 | 3 Aug 2018 | 3 Dec 2020 |
| Utility: ALLOY-PLATED STEEL MATERIAL HAVING EXCELLENT CORROSION RESISTANCE AND HIGH SURFACE QUALITY, AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 3 Dec 2020 | 22 Dec 2017 | 3 Dec 2020 |
| Utility: CASTING SLIDING GATE Filling date: 6 Sep 2025 Issue date: 3 Dec 2020 | 22 Dec 2017 | 3 Dec 2020 |
| Utility: METHOD FOR PRODUCING ALLOY STEEL Filling date: 6 Sep 2025 Issue date: 3 Dec 2020 | 4 Sep 2017 | 3 Dec 2020 |
| Utility: MAGNESIUM ALLOY SHEET AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 26 Nov 2020 | 21 Dec 2018 | 26 Nov 2020 |
| Utility: APPARATUS FOR PRODUCING PRECURSOR HAVING CONCENTRATION GRADIENT AND MATERIAL INJECTION SCHEDULING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 26 Nov 2020 | 12 Dec 2018 | 26 Nov 2020 |
| Utility: NON-MAGNETIC AUSTENITIC STAINLESS STEEL HAVING IMPROVED STRENGTH AND SURFACE CONDUCTIVITY Filling date: 6 Sep 2025 Issue date: 26 Nov 2020 | 5 Oct 2018 | 26 Nov 2020 |
| Utility: ULTRAHIGH STRENGTH COLD-ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 19 Nov 2020 | 20 Dec 2018 | 19 Nov 2020 |
| Utility: ELECTRICAL STEEL SHEET ADHESIVE COATING COMPOSITION, ELECTRICAL STEEL SHEET PRODUCT, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 19 Nov 2020 | 17 Dec 2018 | 19 Nov 2020 |
| Utility: ULTRA-HIGH-STRENGTH HOT-ROLLED STEEL SHEET, STEEL PIPE, MEMBER, AND MANUFACTURING METHODS THEREFOR Filling date: 6 Sep 2025 Issue date: 19 Nov 2020 | 13 Dec 2018 | 19 Nov 2020 |
| Utility: HIGH-STRENGTH STEEL HAVING EXCELLENT LOW-YIELD-RATIO CHARACTERISTICS, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 5 Nov 2020 | 24 Dec 2018 | 5 Nov 2020 |
| Utility: HIGH-STRENGTH AUSTENITE-BASED HIGH-MANGANESE STEEL MATERIAL AND MANUFACTURING METHOD FOR SAME Filling date: 6 Sep 2025 Issue date: 5 Nov 2020 | 20 Dec 2018 | 5 Nov 2020 |
| Utility: HIGH STRENGTH STEEL PLATE AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 5 Nov 2020 | 28 Nov 2018 | 5 Nov 2020 |
| Utility: HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT PROCESSABILITY AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 5 Nov 2020 | 11 Oct 2018 | 5 Nov 2020 |
