Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9394579 | High-strength steel material having outstanding ultra-low-temperature toughness and a production method therefor | Kyung-Keun Um, Jong-Kyo Choi, Hee-Goon Noh, Hyun-Kwan Cho | 2016-07-19 |