Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6271946 | Optical layer survivability and security system using optical label switching and high-speed optical header generation and detection | Gee-Kung Chang, Georgios Ellinas, Richard Graveman | 2001-08-07 |
| 6233075 | Optical layer survivability and security system | Gee-Kung Chang, Georgios Ellinas, Richard Graveman | 2001-05-15 |
| 6219161 | Optical layer survivability and security system | Gee-Kung Chang, Georgios Ellinas, Richard Graveman | 2001-04-17 |
| 6160651 | Optical layer survivability and security system using optical label switching and high-speed optical header reinsertion | Gee-Kung Chang, Georgios Ellinas, Richard Graveman | 2000-12-12 |