Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8270406 | Method and apparatus for blocking forged multicast packets | Heuk Park, Jong Tae Song, Soon Seok Lee | 2012-09-18 |
| 7315694 | Apparatus for switching optical channel overhead in optical supervisory channel of optical transport network system and apparatus for forwarding optical channel maintenance signal | Jong-Yoon Shin, Je Soo Ko | 2008-01-01 |