Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12054643 | Composition for steel sheet surface coating and steel sheet surface-coated with same | Chang-Hoon Choi, Dong-Yun Kim, Won-Ho Son, Jae-Duck Ko | 2024-08-06 |
| 12030082 | Bilayer composition for surface treatment of steel plate and surface-treated steel plate using same | Chang-Hoon Choi, Won-Ho Son | 2024-07-09 |