Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481828 | Ink-jet printhead having high nozzle density | Seog-soon Baek, Yong-soo Oh | 2002-11-19 |
| 6478408 | Ink-jet printhead having hemispherical ink chamber and method for manufacturing the same | Sang Wook Lee, Yong-soo Oh | 2002-11-12 |
| 6344380 | Manufacturing of gate electrodes having silicon of different grain sizes and different surface roughness | Heon-Jong Shin | 2002-02-05 |