Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953739 | Method for manufacturing a semiconductor device having hemispherical grains at very low atmospheric pressure using first, second, and third vacuum pumps | Chang-jip Yang, Chan Hee HAN, Young-kyou Park | 2005-10-11 |
| 6897849 | Key input device and character input method using directional keys | — | 2005-05-24 |
| 6845520 | Cap | — | 2005-01-25 |