| Utility: PLATING STEEL SHEET FOR HOT PRESS FORMING, FORMING MEMBER USING SAME, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 1 Sep 2022 | 16 May 2022 | 1 Sep 2022 |
| Utility: SEAT FRAME Filling date: 6 Sep 2025 Issue date: 1 Sep 2022 | 28 May 2020 | 1 Sep 2022 |
| Utility: AUSTENITIC STAINLESS STEEL HAVING IMPROVED STRENGTH, AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 25 Aug 2022 | 10 Jun 2020 | 25 Aug 2022 |
| Utility: SOLUTION COMPOSITION FOR STEEL SHEET SURFACE TREATMENT, ZINC-BASED PLATED STEEL SHEET SURFACE-TREATED WITH SAME, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 18 Aug 2022 | 28 Apr 2022 | 18 Aug 2022 |
| Utility: CHROMIUM STEEL SHEET HAVING EXCELLENT CREEP STRENGTH AND HIGH TEMPERATURE DUCTILITY AND METHOD OF MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 18 Aug 2022 | 25 Aug 2020 | 18 Aug 2022 |
| Utility: HIGH-STRENGTH STEEL SHEET AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 18 Aug 2022 | 20 Jul 2020 | 18 Aug 2022 |
| Utility: CASTING EQUIPMENT AND CASTING METHOD Filling date: 6 Sep 2025 Issue date: 18 Aug 2022 | 1 Jul 2020 | 18 Aug 2022 |
| Utility: STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE TO HYDROGEN DELAYED FRACTURE AND METHOD FOR MANUFACTURING THEREOF Filling date: 6 Sep 2025 Issue date: 11 Aug 2022 | 25 Apr 2022 | 11 Aug 2022 |
| Utility: WIRE ROD AND STEEL WIRE FOR HIGH STRENGTH SPRING, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 11 Aug 2022 | 22 Jun 2020 | 11 Aug 2022 |
| Utility: WHEEL DISC AND METHOD OF MANUFACTURING THE SAME Filling date: 6 Sep 2025 Issue date: 4 Aug 2022 | 16 Sep 2020 | 4 Aug 2022 |
| Utility: INSULATION FILM COMPOSITION FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR FORMING INSULATION FILM FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET USING SAME, AND GRAIN-ORIENTED ELECTRICAL STEEL SHEET Filling date: 6 Sep 2025 Issue date: 28 Jul 2022 | 15 Apr 2022 | 28 Jul 2022 |
| Utility: NON-HEAT TREATED WIRE ROD WITH EXCELLENT WIRE DRAWABILITY AND IMPACT TOUGHNESS AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 28 Jul 2022 | 24 Feb 2020 | 28 Jul 2022 |
| Utility: WIRE ROD FOR GRAPHITIZATION HEAT TREATMENT, GRAPHITE STEEL, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 28 Jul 2022 | 22 Jan 2020 | 28 Jul 2022 |
| Utility: SCR CATALYST HAVING EXCELLENT SULFUR TOLERANCE Filling date: 6 Sep 2025 Issue date: 21 Jul 2022 | 28 Sep 2020 | 21 Jul 2022 |
| Utility: ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 21 Jul 2022 | 26 Jun 2020 | 21 Jul 2022 |
| Utility: AUSTENITIC STAINLESS STEEL WITH EXCELLENT CORROSION RESISTANCE OF WELDED PART Filling date: 6 Sep 2025 Issue date: 21 Jul 2022 | 29 May 2020 | 21 Jul 2022 |
| Utility: GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MAGNETIC DOMAIN REFINEMENT METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 7 Jul 2022 | 28 Mar 2022 | 7 Jul 2022 |
| Utility: HIGH-STRENGTH HOT-DIP ZINC PLATED STEEL MATERIAL HAVING EXCELLENT PLATING PROPERTIES AND METHOD FOR PREPARING SAME Filling date: 6 Sep 2025 Issue date: 23 Jun 2022 | 15 Mar 2022 | 23 Jun 2022 |
| Utility: ULTRA-HIGH STRENGTH STEEL SHEET HAVING EXCELLENT SHEAR WORKABILITY AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 16 Jun 2022 | 21 Apr 2020 | 16 Jun 2022 |
| Utility: CATHODE ADDITIVE FOR LITHIUM SECONDARY BATTERY, PREPARATION METHOD THEREFOR, CATHODE FOR LITHIUM SECONDARY BATTERY, COMPRISING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME Filling date: 6 Sep 2025 Issue date: 9 Jun 2022 | 12 Nov 2019 | 9 Jun 2022 |
| Utility: PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PROPERTY, HOT PRESS FORMED PART, AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 26 May 2022 | 8 Feb 2022 | 26 May 2022 |
| Utility: LITHIUM METAL ANODE, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY USING SAME Filling date: 6 Sep 2025 Issue date: 12 May 2022 | 9 Jul 2019 | 12 May 2022 |
| Utility: STEEL PLATE HAVING EXCELLENT HEAT AFFECTED ZONE TOUGHNESS AND METHOD FOR MANUFACTURING THEREOF Filling date: 6 Sep 2025 Issue date: 28 Apr 2022 | 29 Nov 2019 | 28 Apr 2022 |
| Utility: NON-DIRECTIONAL ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 28 Apr 2022 | 27 Nov 2019 | 28 Apr 2022 |
| Utility: MOLD FLUX AND CASTING METHOD USING SAME Filling date: 6 Sep 2025 Issue date: 21 Apr 2022 | 19 May 2020 | 21 Apr 2022 |
| Utility: GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MAGNETIC DOMAIN REFINEMENT METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 21 Apr 2022 | 23 May 2019 | 21 Apr 2022 |
| Utility: ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME Filling date: 6 Sep 2025 Issue date: 21 Apr 2022 | 13 Dec 2018 | 21 Apr 2022 |
| Utility: ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 7 Apr 2022 | 17 Dec 2021 | 7 Apr 2022 |
| Utility: HIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT BLANKING PROPERTIES AND UNIFORMITY, AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 7 Apr 2022 | 18 Dec 2019 | 7 Apr 2022 |
| Utility: FORMING METHOD FOR STRUCTURE FOR REINFORCEMENT AND STRUCTURE FOR REINFORCEMENT Filling date: 6 Sep 2025 Issue date: 31 Mar 2022 | 19 Nov 2019 | 31 Mar 2022 |
| Utility: MICRO-GRID SYSTEM WITH UN-INTERRUPTIBLE POWER SUPPLY Filling date: 6 Sep 2025 Issue date: 24 Mar 2022 | 11 Dec 2019 | 24 Mar 2022 |
| Utility: CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY COMPRISING SAME Filling date: 6 Sep 2025 Issue date: 24 Mar 2022 | 29 Nov 2019 | 24 Mar 2022 |
| Utility: ELECTROPLATED STEEL SHEET HAVING EXCELLENT SURFACE APPEARANCE, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 17 Mar 2022 | 18 Dec 2019 | 17 Mar 2022 |
| Utility: ALLOY COATED STEEL SHEET AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 10 Mar 2022 | 18 Dec 2019 | 10 Mar 2022 |
| Utility: ANNEALING SEPARATOR COMPOSITION FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET, GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET Filling date: 6 Sep 2025 Issue date: 10 Mar 2022 | 18 Dec 2019 | 10 Mar 2022 |
| Utility: HIGH STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT HOLE EXPANSION RATIO AND MANUFACTURING METHOD FOR SAME Filling date: 6 Sep 2025 Issue date: 10 Mar 2022 | 18 Dec 2019 | 10 Mar 2022 |
| Utility: PLATED STEEL MATERIAL HAVING EXCELLENT ADHESION TO PLATING AND CORROSION RESISTANCE, AND MANUFACTURING METHOD FOR SAME Filling date: 6 Sep 2025 Issue date: 10 Mar 2022 | 17 Dec 2019 | 10 Mar 2022 |
| Utility: APPARATUS AND METHOD FOR CONTROLLING COATING LAYER IN PVD PLATING PROCESS Filling date: 6 Sep 2025 Issue date: 10 Mar 2022 | 10 Dec 2019 | 10 Mar 2022 |
| Utility: METHOD FOR PRODUCING NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY Filling date: 6 Sep 2025 Issue date: 10 Mar 2022 | 6 Dec 2019 | 10 Mar 2022 |
| Utility: FURNACE FOR PRODUCING SECONDARY BATTERY CATHODE MATERIAL AND METHOD FOR FIRING SECONDARY BATTERY CATHODE MATERIAL Filling date: 6 Sep 2025 Issue date: 3 Mar 2022 | 19 Dec 2019 | 3 Mar 2022 |
| Utility: STEEL MATERIAL FOR BRAKE DISC OF MOTOR VEHICLE HAVING EXCELLENT WEAR RESISTANCE AND HIGH TEMPERATURE STRENGTH AND METHOD OF MANUFACTURING THE SAME Filling date: 6 Sep 2025 Issue date: 3 Mar 2022 | 18 Dec 2019 | 3 Mar 2022 |
| Utility: APPARATUS FOR COOLING METAL MATERIAL Filling date: 6 Sep 2025 Issue date: 3 Mar 2022 | 17 Dec 2019 | 3 Mar 2022 |
| Utility: GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 3 Mar 2022 | 10 Dec 2019 | 3 Mar 2022 |
| Utility: HIGH-STRENGTH STRUCTURAL STEEL HAVING EXCELLENT COLD BENDABILITY, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 3 Mar 2022 | 6 Dec 2019 | 3 Mar 2022 |
| Utility: HIGH STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT WORKABILITY, AND METHOD FOR MANUFACTURING THE SAME Filling date: 6 Sep 2025 Issue date: 3 Mar 2022 | 1 Nov 2019 | 3 Mar 2022 |
| Utility: PLATED STEEL SHEET HAVING EXCELLENT FUSION RESISTANCE, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 3 Mar 2022 | 20 Feb 2019 | 3 Mar 2022 |
| Utility: STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT COATING ADHESION AND MANUFACTURING METHOD FOR THE SAME Filling date: 6 Sep 2025 Issue date: 24 Feb 2022 | 2 Nov 2021 | 24 Feb 2022 |
| Utility: HIGH-STRENGTH COLD ROLLED STEEL SHEET AND GALVANNEALED STEEL SHEET HAVING EXCELLENT BURRING PROPERTY, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 24 Feb 2022 | 19 Dec 2019 | 24 Feb 2022 |
| Utility: ZINC PLATED STEEL SHEET HAVING EXCELLENT SPOT WELDABILITY AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 24 Feb 2022 | 18 Dec 2019 | 24 Feb 2022 |
| Utility: NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 24 Feb 2022 | 18 Dec 2019 | 24 Feb 2022 |
