Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821901 | Method of through-etching substrate | Seung Jin Song, Kyoungdoug Min, Young-Chang Joo, Hong Seok Min, Sejun Kim | 2004-11-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821901 | Method of through-etching substrate | Seung Jin Song, Kyoungdoug Min, Young-Chang Joo, Hong Seok Min, Sejun Kim | 2004-11-23 |