| Utility: STEEL SHEET HAVING EXCELLENT IMAGE CLARITY AFTER PAINTING AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 5 Nov 2020 | 13 Sep 2018 | 5 Nov 2020 |
| Utility: CRYOGENIC STEEL PLATE AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 5 Nov 2020 | 22 Jun 2018 | 5 Nov 2020 |
| Utility: MOLTEN MANGANESE-CONTAINING STEEL PRODUCTION METHOD, HOLDING FURNACE, AND MOLTEN MANGANESE-CONTAINING STEEL PRODUCTION EQUIPMENT USING HOLDING FURNACE Filling date: 6 Sep 2025 Issue date: 29 Oct 2020 | 10 Jul 2020 | 29 Oct 2020 |
| Utility: STEEL SHEET WITH EXCELLENT BAKE HARDENING PROPERTIES AND CORROSION RESISTANCE AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 29 Oct 2020 | 30 Nov 2018 | 29 Oct 2020 |
| Utility: NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 22 Oct 2020 | 18 Dec 2018 | 22 Oct 2020 |
| Utility: STEEL SHEET HAVING EXCELLENT HYDROGEN INDUCED CRACKING RESISTANCE AND LONGITUDINAL STRENGTH UNIFORMITY, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 22 Oct 2020 | 3 Dec 2018 | 22 Oct 2020 |
| Utility: HIGH-STRENGTH STRUCTURAL STEEL MATERIAL HAVING EXCELLENT FATIGUE CRACK PROPAGATION INHIBITORY CHARACTERISTICS AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 22 Oct 2020 | 23 Nov 2018 | 22 Oct 2020 |
| Utility: ZINC-BASED PLATED STEEL SHEET HAVING EXCELLENT ROOM TEMPERATURE AGING RESISTANCE AND BAKE HARDENABILITY, AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 22 Oct 2020 | 23 Nov 2018 | 22 Oct 2020 |
| Utility: CONTINUOUS CASTING AND ROLLING APPARATUS AND CONTINUOUS CASTING AND ROLLING METHOD Filling date: 6 Sep 2025 Issue date: 22 Oct 2020 | 2 Nov 2018 | 22 Oct 2020 |
| Utility: NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PREPARING SAME Filling date: 6 Sep 2025 Issue date: 22 Oct 2020 | 17 May 2018 | 22 Oct 2020 |
| Utility: HIGH-STRENGTH STEEL WITH EXCELLENT TOUGHNESS OF HEAT-AFFECTED ZONE AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 15 Oct 2020 | 21 Dec 2018 | 15 Oct 2020 |
| Utility: COMPOSITE MATERIAL STEEL SHEET Filling date: 6 Sep 2025 Issue date: 15 Oct 2020 | 6 Dec 2018 | 15 Oct 2020 |
| Utility: PRECIPITATION-HARDENING HOT ROLLED STEEL SHEET HAVING EXCELLENT MATERIAL UNIFORMITY AND HOLE EXPANDABILITY, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 15 Oct 2020 | 23 Jun 2017 | 15 Oct 2020 |
| Utility: STEEL SHEET FOR SHIELDING MAGNETIC FIELD AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 8 Oct 2020 | 19 Dec 2018 | 8 Oct 2020 |
| Utility: METHOD FOR PREPARING POROUS CARBON MATERIAL BY USING COAL TAR GENERATED IN COG PROCESS Filling date: 6 Sep 2025 Issue date: 8 Oct 2020 | 2 Oct 2018 | 8 Oct 2020 |
| Utility: SURFACE-TREATED METALLIC MATERIAL WITH EASY CONTROL OF GLOSSINESS AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 1 Oct 2020 | 23 Nov 2016 | 1 Oct 2020 |
| Utility: NON-MAGNETIC AUSTENITIC STAINLESS STEEL HAVING EXCELLENT CORROSION RESISTANCE AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 24 Sep 2020 | 10 Aug 2018 | 24 Sep 2020 |
| Utility: COACERVATE FORMED FROM CATECHOL-SUBSTITUTED ANIONIC POLYMER, ADHESIVE COMPRISING SAME, AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 24 Sep 2020 | 10 Jul 2018 | 24 Sep 2020 |
| Utility: SOLUTION COMPOSITION CONTAINING TRIVALENT CHROMIUM FOR SURFACE TREATMENT OF STEEL SHEET, GALVANIZED STEEL SHEET SURFACE-TREATED WITH SAME, AND METHOD FOR MANUFACTURING GALVANIZED STEEL SHEET Filling date: 6 Sep 2025 Issue date: 17 Sep 2020 | 13 Nov 2018 | 17 Sep 2020 |
| Utility: FERRITE-BASED STAINLESS STEEL HAVING EXCELLENT IMPACT TOUGHNESS, AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 10 Sep 2020 | 12 Sep 2018 | 10 Sep 2020 |
| Utility: LOW-TEMPERATURE STEEL PLATE HAVING EXCELLENT IMPACT TOUGHNESS, AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 10 Sep 2020 | 26 Jun 2018 | 10 Sep 2020 |
| Utility: UPCONVERSION NANOPARTICLE, HYALURONIC ACID-UPCONVERSION NANOPARTICLE CONJUGATE, AND A PRODUCTION METHOD THEREOF USING A CALCULATION FROM FIRST PRINCIPLES Filling date: 6 Sep 2025 Issue date: 3 Sep 2020 | 6 Feb 2020 | 3 Sep 2020 |
| Utility: STAINLESS STEEL FOR SEPARATION PLATE OF POLYMER ELECTROLYTE MEMBRANE FUEL CELL HAVING IMPROVED HYDROPHILIC PROPERTY AND CORROSION RESISTANCE, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 3 Sep 2020 | 16 Dec 2016 | 3 Sep 2020 |
| Utility: COMPOSITION FOR WASHING PICKLED STEEL PLATE, METHOD FOR WASHING PICKLED STEEL PLATE BY USING SAME, AND STEEL PLATE OBTAINED THEREBY Filling date: 6 Sep 2025 Issue date: 27 Aug 2020 | 19 Dec 2016 | 27 Aug 2020 |
| Utility: HIGH MANGESE STEEL FOR LOW TEMPERATURE APPLICATIONS HAVING EXCELLENT SURFACE QUALITY AND A MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 20 Aug 2020 | 11 Oct 2018 | 20 Aug 2020 |
| Utility: AUSTENITE-BASED MOLTEN ALUMINUM-PLATED STEEL SHEET HAVING EXCELLENT PROPERTIES OF PLATING AND WELDABILITY, AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 20 Aug 2020 | 22 Dec 2016 | 20 Aug 2020 |
| Utility: HIGH-STRENGTH STEEL MATERIAL HAVING EXCELLENT LOW-TEMPERATURE STRAIN AGING IMPACT PROPERTIES AND WELDING HEAT-AFFECTED ZONE IMPACT PROPERTIES AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 20 Aug 2020 | 15 Dec 2016 | 20 Aug 2020 |
| Utility: ULTRA HIGH STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT DUCTILITY AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 20 Aug 2020 | 21 Nov 2016 | 20 Aug 2020 |
| Utility: STEEL MATERIAL FOR WELDING STEEL PIPE HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS, STEEL MATERIAL THAT HAS UNDERGONE WELD HEAT TREATMENT, AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 13 Aug 2020 | 2 Nov 2018 | 13 Aug 2020 |
| Utility: WIRE ROD AND STEEL WIRE FOR SPRINGS HAVING EXCELLENT CORROSION FATIGUE RESISTANCE PROPERTIES, AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 13 Aug 2020 | 13 Sep 2018 | 13 Aug 2020 |
| Utility: SAGGER FOR FIRING SECONDARY BATTERY ACTIVE MATERIAL AND METHOD FOR MANUFACTURING SECONDARY BATTERY ACTIVE MATERIAL USING SAME Filling date: 6 Sep 2025 Issue date: 13 Aug 2020 | 28 Sep 2017 | 13 Aug 2020 |
| Utility: COATING COMPOSITION HAVING EXCELLENT CORROSION RESISTANCE AND FINGERPRINT RESISTANCE, STAINLESS STEEL SHEET HAVING ETCHING PATTERNS, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 13 Aug 2020 | 24 Nov 2016 | 13 Aug 2020 |
| Utility: ULTRA-HIGH STRENGTH STEEL PLATE HAVING EXCELLENT FORMABILITY AND HOLE-EXPANDABILITY, AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 6 Aug 2020 | 5 Oct 2016 | 6 Aug 2020 |
| Utility: COLD-ROLLED STEEL SHEET HAVING EXCELLENT BENDABILITY AND HOLE EXPANDABILITY AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 30 Jul 2020 | 21 Dec 2017 | 30 Jul 2020 |
| Utility: SOUR-RESISTANT HEAVY-WALL STEEL PLATE HAVING EXCELLENT LOW-TEMPERATURE TOUGHNESS AND POST-HEAT TREATMENT CHARACTERISTICS AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 30 Jul 2020 | 24 Nov 2017 | 30 Jul 2020 |
| Utility: ANTIMICROBIAL ADHESIVE PROTEIN, ANTIMICROBIAL NANOPARTICLE, ANTIMICROBIAL COMPOSITION COMPRISING SAME NANOPARTICLE, AND PREPARATION METHOD FOR SAME COMPOSITION Filling date: 6 Sep 2025 Issue date: 23 Jul 2020 | 13 Jul 2018 | 23 Jul 2020 |
| Utility: MOLTEN MATERIAL TREATMENT APPARATUS Filling date: 6 Sep 2025 Issue date: 16 Jul 2020 | 12 Jul 2018 | 16 Jul 2020 |
| Utility: ROLLER ASSEMBLY, CASTING APPARATUS, AND ROLLER SEPARATING METHOD FOR SAME Filling date: 6 Sep 2025 Issue date: 9 Jul 2020 | 8 Aug 2018 | 9 Jul 2020 |
| Utility: FERRITE-BASED STAINLESS STEEL HAVING IMPROVED HEAT RADIATION PROPERTY AND PROCESSABILITY AND METHOD FOR PREPARING SAME Filling date: 6 Sep 2025 Issue date: 25 Jun 2020 | 11 Dec 2017 | 25 Jun 2020 |
| Utility: COLD-ROLLED STEEL SHEET WITH EXCELLENT FORMABILITY, GALVANIZED STEEL SHEET, AND MANUFACTURING METHOD THEREOF Filling date: 6 Sep 2025 Issue date: 18 Jun 2020 | 24 Jul 2019 | 18 Jun 2020 |
| 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: 18 Jun 2020 | 31 May 2018 | 18 Jun 2020 |
| Utility: Magnesium Alloy Plate and Method for Manufacturing Same Filling date: 6 Sep 2025 Issue date: 18 Jun 2020 | 21 Dec 2017 | 18 Jun 2020 |
| Utility: FERRITIC STAINLESS STEEL HAVING EXCELLENT STRENGTH AND CORROSION RESISTANCE TO ACID AND METHOD OF MANUFACTURING THE SAME Filling date: 6 Sep 2025 Issue date: 18 Jun 2020 | 4 Dec 2017 | 18 Jun 2020 |
| Utility: HIGH STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT YIELD STRENGTH, DUCTILITY, AND HOLE EXPANDABILITY, HOT-DIP GALVANIZED STEEL SHEET, AND METHOD FOR PRODUCING SAME Filling date: 6 Sep 2025 Issue date: 18 Jun 2020 | 29 Nov 2017 | 18 Jun 2020 |
| Utility: ALLOY-COATED STEEL SHEET AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 11 Jun 2020 | 13 Feb 2020 | 11 Jun 2020 |
| Utility: ZINC ALLOY PLATED STEEL MATERIAL HAVING EXCELLENT WELDABILITY AND PROCESSED-PART CORROSION RESISTANCE AND METHOD OF MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 21 May 2020 | 27 Jan 2020 | 21 May 2020 |
| Utility: PATTERN-GLASS AND SOLAR LIGHT POWER GENERATING MODULE COMPRISING SAME Filling date: 6 Sep 2025 Issue date: 21 May 2020 | 17 Aug 2018 | 21 May 2020 |
| Utility: ULTRA HIGH STRENGTH HOT ROLLED STEEL SHEET HAVING LOW DEVIATION OF MECHANICAL PROPERTY AND EXCELLENT SURFACE QUALITY, AND METHOD FOR MANUFACTURING SAME Filling date: 6 Sep 2025 Issue date: 21 May 2020 | 6 Jul 2018 | 21 May 2020 |
| Utility: HOT ROLLED STEEL SHEET HAVING EXCELLENT STRENGTH AND ELONGATION AND MANUFACTURING METHOD Filling date: 6 Sep 2025 Issue date: 21 May 2020 | 12 Apr 2018 | 21 May 2020 |
| Utility: COLD ROLLED STEEL SHEET FOR FLUX-CORED WIRE, AND MANUFACTURING METHOD THEREFOR Filling date: 6 Sep 2025 Issue date: 14 May 2020 | 5 Jul 2018 | 14 May 2020 |
