Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6891836 | Switching complex architecture and operation | David X. Chen | 2005-05-10 |
| 6798779 | Synchronous communications network transmission device having a switching capability of an asynchronous communications network | Noriyasu Matsuno | 2004-09-28 |
| 6498792 | Method and apparatus for switching signals of multiple different communication protocols | Gary P. Johnson, Roland J. Moubarak, Katsuya Shirota, David X. Chen | 2002-12-24 |
| 6317426 | Method and apparatus for hybrid protection in a switching network | Jairo Abraham Afanador, David X. Chen | 2001-11-13 |