Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371770 | High-strength hot-dip galvanized steel sheet having excellent surface quality and electric resistance spot weldability, and manufacturing method therefor | Tae-Chul Kim, Myung-Soo Kim, Jong-Sang Kim | 2025-07-29 |
| 12344923 | Zinc plated steel sheet having excellent spot weldability and manufacturing method thereof | Sea-Woong Lee, Kyoo-Young Lee, Jong Ho Kim, Young-Roc IM | 2025-07-01 |
| 12331405 | High-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability, and manufacturing method therefor | Jong Chan Park, Seul-Gi So, Myung-Soo Kim | 2025-06-17 |
| 12221701 | Welded member of galvanized steel sheets | Sang-Ho Uhm, Chang-Woon Jee, Yeon-Chae JEONG, Kwang-Tai Min | 2025-02-11 |
| 12054801 | Zinc plated steel sheet having excellent surface quality and spot weldability, and manufacturing method therefor | Sang-Ho Uhm, Chung Hwan Lee | 2024-08-06 |
| 12000008 | Advanced high strength zinc plated steel sheet having excellent surface quality and electrical resistance spot weldability | Chung Hwan Lee, Yong Joo Kim, Kang-min Lee, Kyoo-Young Lee | 2024-06-04 |
| 11981973 | Zinc plated steel sheet having excellent fatigue strength of electrical resistance spot welds, and manufacturing method thereof | Chung Hwan Lee | 2024-05-14 |
| 11299793 | Steel sheet having excellent resistance to liquid metal embrittlement cracks and method for manufacturing the same | Sea-Woong Lee, Kyoo-Young Lee, Joo-Hyun RYU | 2022-04-12 |
| 11090907 | Hot dip aluminized steel material having excellent corrosion resistance and workability, and manufacturing method therefor | Hyeon Seok Hwang, Yon-Kyun Song, Il-Jeong Park | 2021-08-17 |
| 10900097 | High-strength hot-dip galvanized steel sheet having excellent surface quality and spot weldability | Myung-Soo Kim, Il-Jeong Park | 2021-01-26 |
| 10793936 | High strength galvanized steel sheet having excellent surface qualities, plating adhesion, and formability, and method for manufacturing same | Myung-Soo Kim, Jong Ho Kim | 2020-10-06 |
| 10344361 | Ultra-high strength, hot-dip galvanized steel sheet having excellent surface quality and coating adhesion | Myung-Soo Kim | 2019-07-09 |