| 2025/0010,434 | STEEL, PROCESSING METHOD THEREOF AND SCREWDRIVER BIT | May 28, 24 | Jan 09, 25 | Not available |
| 2025/0003,038 | COLD FORGING WIRE ROD AND STEEL PART HAVING IMPROVED DELAYED FRACTURE RESISTANCE, AND METHOD FOR MANUFACTURING SAME | Dec 01, 22 | Jan 02, 25 | POSCO Co., Ltd |
| 2024/0384,382 | STEEL MATERIAL AND MOLD | May 14, 24 | Nov 21, 24 | Not available |
| 2024/0318,276 | COLD FORGED GEAR STEEL AND MANUFACTURING METHOD THEREOF | Mar 02, 22 | Sep 26, 24 | Baoshan Iron & Steel Co., Ltd. |
| 2024/0271,262 | STEEL MATERIAL | Aug 19, 22 | Aug 15, 24 | Not available |
| 2024/0254,577 | SPHEROIDIZING-ANNEALED STEEL FOR BALL SCREW HAVING HIGH STRENGTH AND RESISTANCE TO LOW TEMPERATURES AND MANUFACTURING METHOD THEREOF | Apr 11, 24 | Aug 01, 24 | JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTD |
| 2024/0254,609 | AUSTENITIC STAINLESS STEEL AND TUBE | May 26, 22 | Aug 01, 24 | 501 Nippon Steel Corporation |
| 2024/0228,743 | INORGANIC OXIDE POWDER, METHOD FOR PRODUCING SAME, AND RESIN COMPOSITION | May 18, 22 | Jul 11, 24 | Denka Company Limited |
| 2024/0209,469 | STEEL FOR BOLTS, AND MANUFACTURING METHOD THEREFOR | May 25, 22 | Jun 27, 24 | Baoshan Iron & Steel Co., Ltd. |
| 2024/0209,468 | MARTENSITIC STAINLESS STEEL MATERIAL FOR HYDROGEN GAS ENVIRONMENT AND MANUFACTURING METHOD THEREFOR | Dec 13, 23 | Jun 27, 24 | Not available |
| 2024/0175,112 | STEEL WIRE FOR MACHINE STRUCTURAL PARTS AND METHOD FOR MANUFACTURING THE SAME | Mar 22, 22 | May 30, 24 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) |
| 2024/0167,116 | STEEL WIRE FOR MACHINE STRUCTURAL PARTS AND METHOD FOR MANUFACTURING THE SAME | Mar 22, 22 | May 23, 24 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) |
| 2024/0150,861 | COLD-WORKABLE MECHANICAL STRUCTURAL STEEL, AND METHOD FOR MANUFACTURING SAME | Feb 02, 22 | May 09, 24 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) |
| 2024/0076,766 | QT HEAT TREATED HIGH CARBON HOT ROLLED STEEL SHEET, HIGH CARBON COLD ROLLED STEEL SHEET, QT HEAT TREATED HIGH CARBON COLD ROLLED STEEL SHEET, AND MANUFACTURING METHODS THEREOF | Dec 10, 21 | Mar 07, 24 | POSCO Co., Ltd |
| 2024/0068,078 | Die steel with a high thermal diffusion coefficient and its preparation methods | Mar 09, 22 | Feb 29, 24 | Not available |
| 2024/0018,621 | HIGH TOUGHNESS HIGH CARBON COLD ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY, AND METHOD FOR MANUFACTURING SAME | Dec 10, 21 | Jan 18, 24 | POSCO Co., Ltd |
| 2024/0011,135 | HOT WORK TOOL STEEL | Jun 11, 21 | Jan 11, 24 | Not available |
| 2022/0325,390 | METHOD FOR CONTROLLING AMOUNT OF SILICON ADDED TO DUCTILE CAST IRON, METHOD FOR CASTING DUCTILE CAST IRON, AND CAST PRODUCT | Aug 28, 20 | Oct 13, 22 | Tianrun Industry Technology Co., Ltd.; Shandong University of Technology; |
| 2022/0033,920 | WIRE ROD OF WHICH SOFTENING HEAT TREATMENT CAN BE OMITTED, AND MANUFACTURING METHOD THEREFOR | Dec 13, 19 | Feb 03, 22 | Not available |
| 2020/0232,076 | STAINLESS STEEL | Oct 04, 18 | Jul 23, 20 | Not available |