Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11332667 | Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby | Rho-Bum Park, Yon-Kyun Song, Ji Hoon Park, Seok-Chan Choe, Kyoung-Pil KO | 2022-05-17 |
| 11028322 | Composition for washing pickled steel plate, method for washing pickled steel plate by using same, and steel plate obtained thereby | Rho-Bum Park, Yon-Kyun Song, Ji Hoon Park, Seok-Chan Choe, Kyoung-Pil KO | 2021-06-08 |