Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11420420 | Composite material steel sheet | Jin Tae Kim, Myung-Soo Kim, Jung Hwan Lee | 2022-08-23 |
| 11383268 | Surface-treated metallic material with easy control of glossiness and manufacturing method therefor | Jung Hwan Lee, Jin Tae Kim, Yon-Kyun Song, Bong-Woo Ha | 2022-07-12 |