Issued Patents 2024
Showing 1–4 of 4 patents
| 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, Hee-Jea Eun, 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, Hee-Jea Eun | 2024-07-09 |
| 11945922 | Thick polyimide film having improved surface quality and method of manufacturing same | Hyong Sop JO | 2024-04-02 |
| 11939489 | Solution composition for surface treatment of steel sheet and surface-treated steel sheet using same | Chang-Hoon Choi, Dong-Yun Kim, Min-Ho JO, Jae-Duck Ko, Jong-Hwa Kim | 2024-03-26 |