Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074610 | Mutually convertible boiler between normal type and condensing type | Myung-Gi Min, Chan Woo Park | 2011-12-13 |
| 7919414 | Method for forming fine patterns in semiconductor device | Jun Sun | 2011-04-05 |