Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7198707 | Apparatus for cathodic protection in an environment in which thin film corrosive fluids are formed and method thereof | Hyun Young Chang, Gon Hwangbo, Min Yu Shin | 2007-04-03 |
| 7091447 | Local heatsink welding device and welding method thereof | Jong Sung Kim | 2006-08-15 |