Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7112271 | Method and apparatus for making very low roughness copper foil | Chang Hee Choi, Sangyum Kim, Jeong-Ik Kim | 2006-09-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7112271 | Method and apparatus for making very low roughness copper foil | Chang Hee Choi, Sangyum Kim, Jeong-Ik Kim | 2006-09-26 |