Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8512580 | Method of fabricating thin liquid crystal display device | Gyu-Su Cho, Byung-Chul Kim | 2013-08-20 |
| 7494595 | Etching apparatus | — | 2009-02-24 |
| 7014732 | Etching apparatus | — | 2006-03-21 |
| 6215966 | Apparatus and method to identify replacement of developing machine | Chul-Joo Yang | 2001-04-10 |
| 6099180 | Method for feeding paper in image forming apparatus | Chul-Joo Yang | 2000-08-08 |