Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344923 | Zinc plated steel sheet having excellent spot weldability and manufacturing method thereof | Ki-Cheol Kang, Sea-Woong Lee, Kyoo-Young Lee, Jong Ho Kim | 2025-07-01 |
| 12305256 | High-strength steel sheet and manufacturing method thereof | Jae-Hoon Lee, Jong Chan Park, Jong-Kweon KIM, Il Hyun Kim, Tae-Kyo Han +1 more | 2025-05-20 |
| 12168810 | High-strength cold-rolled steel sheet having excellent bending workability and manufacturing method therefor | Hang-Sik Cho | 2024-12-17 |
| 11753693 | High-strength cold rolled steel sheet having high hole expansion ratio, highstrength hot-dip galvanized steel sheet, and manufacturing methods therefor | Jong Chan Park, Jai-Hyun Kwak, Min-Seo KOO | 2023-09-12 |
| 9856550 | High carbon hot rolled steel sheet having excellent material uniformity and method for manufacturing the same | Jea-Chun Jeon, Byoung-Ho Lee | 2018-01-02 |
| 8465601 | High carbon steel sheet superior in tensile strength and elongation and method for manufacturing the same | Jae-Kon Lee, Kyoo-Young Lee, Yeong-Woo Jeon, Jae Hwa Ryu, Kyong-Su Park | 2013-06-18 |