Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739680 | Constant voltage control device | Chang-sik Lim | 1998-04-14 |
| 5614857 | Hysteresis system with constant threshold voltage | Chang-sik Lim | 1997-03-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739680 | Constant voltage control device | Chang-sik Lim | 1998-04-14 |
| 5614857 | Hysteresis system with constant threshold voltage | Chang-sik Lim | 1997-03-25 |