Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12049679 | Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same | Jin-Keun Oh, Yeol-Rae Cho, A-Ra CHO, Jin-Ho Cha, Si-Myoung Heo +1 more | 2024-07-30 |
| 11788166 | Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same | Jin-Keun Oh, Yeol-Rae Cho, A-Ra CHO, Jin-Ho Cha, Si-Myoung Heo +1 more | 2023-10-17 |
| 11624100 | Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same | Jin-Keun Oh, Yeol-Rae Cho, A-Ra CHO, Jin-Ho Cha, Si-Myoung Heo +1 more | 2023-04-11 |
| 11441205 | Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing same | Jin-Keun Oh, Yeol-Rae Cho, A-Ra CHO, Jin-Ho Cha, Si-Myoung Heo +1 more | 2022-09-13 |
| 8431627 | Filler material for crowns, crown material containing same, and method of manufacturing thereof | Hyung Sup Lim, Hyung-joon LIM, Young Cheol Yoo, Sang Heon Kang | 2013-04-30 |