Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036527 | Apparatus and method for protection switching of optical channel | Sun Hyok Chang, Sang Soo Lee, Kwang Joon Kim | 2011-10-11 |
| 8009986 | Optical node for mesh-type WDM optical network | Sun Hyok Chang, Sang Soo Lee, Kwangjoon Kim | 2011-08-30 |