Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593738 | Process for the preparation of composite semi-permeable membrane | Dae W. Ihm, Kwon-Il Kim, Byeng Hyun Kim | 1997-01-14 |
| 5397828 | Biaxially stretched polyester film | Dae W. Ihm, Seung B. Jun | 1995-03-14 |