Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6868232 | Fast protection switching by snooping on upstream signals in an optical network | Peter Van Eijk, Piet Van Hevingen, Song Jiang, Kyeong Soo Kim, Woojune Kim +2 more | 2005-03-15 |
| 6778781 | Health check algorithm for protection circuit in optical network | Peter Van Eijk, Piet Van Heyningen, Song Jiang, Kyeong Soo Kim, Woojune Kim +2 more | 2004-08-17 |
| 6771908 | Fast protection switching by snooping on downstream signals in an optical network | Peter Van Eijk, Piet Van Heyningen, Song Jiang, Kyeong Soo Kim, Woojune Kim +2 more | 2004-08-03 |
| 5905586 | Two-way optical fiber communication system having a single light source | — | 1999-05-18 |