Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223096 | Elevator system for transferring a wafer boat with automatic horizontal attitude control | Hyun Han, Sun-woo Kawk | 2001-04-24 |
| 5981351 | Method of forming capacitor of a semiconductor device and a semiconductor capacitor formed thereby | Hyun Ung Han, Jin-O Choi | 1999-11-09 |