Issued Patents All Time
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7433604 | Direct-detection optical differential 8-level phase shift keying (OD8PSK) for spectrally efficient transmission | Yan Han, Guifang Li | 2008-10-07 |
| 7369779 | Regeneration of optical phase modulated signals | Kevin Croussore, Guifang Li | 2008-05-06 |