Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8395999 | Real-time detection of failed inter-node link in network | Masafumi Watari, Atsuo Tachibana | 2013-03-12 |
| 7948997 | BGP route evaluation method and device therefor | Masafumi Watari, Tomohiko Ogishi | 2011-05-24 |
| 7697452 | Method and management apparatus for classifying congestion paths based on packet delay | Atsuo Tachibana, Toru Hasegawa | 2010-04-13 |
| 7321560 | Method for detecting failure location of network in the Internet | Atsuo Tachibana, Atsushi Tagami, Toru Hasegawa | 2008-01-22 |