Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017785 | Method for improving latch-up immunity and interwell isolation in a semiconductor device | Chung Chyung Han, Jeong Yeol Choi | 2000-01-25 |
| 5831313 | Structure for improving latch-up immunity and interwell isolation in a semiconductor device | Chung Chyung Han, Jeong Yeol Choi | 1998-11-03 |
| 5086365 | Electostatic discharge protection circuit | — | 1992-02-04 |