Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7036907 | Method of adjusting process black and a driver thereof | Myoung-jin Oh | 2006-05-02 |
| 6813452 | Method of determining time to replace developing solution of printer | Seung-wan Lee | 2004-11-02 |