Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11888734 | MPLS extension headers in mixed networks | James N. Guichard, Haoyu Song | 2024-01-30 |
| 9059905 | Methods and arrangements in an MPLS-TP network | Wei Zhao | 2015-06-16 |
| 8611353 | Failure localisation in a MPLS-TP network | Wei Zhao | 2013-12-17 |
| 8134917 | Automatic protection switching using link-level redundancy supporting multi-protocol label switching | Andre N. Fredette, Naganand Doraswamy, Anoop Ghanwani | 2012-03-13 |
| 7760623 | Network data routing protection cycles for automatic protection switching | Kent Felske, Guo-Qiang Wang | 2010-07-20 |
| 7486615 | Network data routing protection cycles for automatic protection switching | Kent Felske, Guo-Qiang Wang | 2009-02-03 |
| 7380017 | Route protection in a communication network | Jon Weil, Alex Morrall, David C. Odhams, Kenneth Hayward | 2008-05-27 |
| 7023846 | System, device, and method for establishing and removing a label switched path in a communication network | Tove Madsen, Kenneth Sundell | 2006-04-04 |
| 6987727 | Automatic protection switching using link-level redundancy supporting multi-protocol label switching | Andre N. Fredette, Naganand Doraswamy, Anoop Ghanwani | 2006-01-17 |
| 6947428 | Distributed label switching router | Geoffery A. Mattson | 2005-09-20 |
| 6931016 | Virtual private network management system | Marcel Wiget, Tove Madsen | 2005-08-16 |
| 6879594 | System and method for loop avoidance in multi-protocol label switching | Cheng-Yin Lee | 2005-04-12 |
| 6728777 | Method for engineering paths for multicast traffic | Cheng-Yin Lee | 2004-04-27 |
| 6535481 | Network data routing protection cycles for automatic protection switching | Kent Felske, Guo-Qiang Wang | 2003-03-18 |
| 6343706 | Method and an arrangement for closing at least one end of a tube and a plug for said closing | — | 2002-02-05 |