Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7911408 | Management system of monitor | Cheon-yong Cho | 2011-03-22 |
| 7800634 | Method of rotating image, computer, and recording media | Cheon-yong Cho, Young-nam Oh, R. Jai Pravinchandra | 2010-09-21 |