Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6259555 | Multi-band amplification system for dense wavelength division multiplexing | Gianpaolo Barozzi, Stefano Piciaccia, Stefano Aina, Silvia Turolla | 2001-07-10 |
| 6160660 | Bidirectional optical transmission system for dense interleaved wavelength division multiplexing | Stefano Aina, Stefano Piciaccia | 2000-12-12 |
| 6025954 | Amplified telecommunication system for wavelength-division multiplexing transmissions, having an equalized reception power | Stefano Piciaccia | 2000-02-15 |
| 6018404 | Bidirectional optical telecommunication system comprising a bidirectional optical amplifier | Alessandro Cavaciuti | 2000-01-25 |
| 5995259 | Bidirectional optical telecommunication system comprising a bidirectional optical amplifier | Alessandro Cavaciuti | 1999-11-30 |
| 5956319 | Node in an optical signal transmission network, and method of retaining the communication on the occurrence of a failure | — | 1999-09-21 |
| 5946117 | Optical soliton telecommunication system with dispersion-shifted optical fibre | Giorgio Grasso | 1999-08-31 |
| 5943151 | Mehtod of selectively compensating for the chromatic dispersion of optical signals | Giorgio Grasso | 1999-08-24 |
| 5903371 | Transparent optical self-healing-ring communication network | Fulvio Arecco, Marcos Antonio Brandão Sanches | 1999-05-11 |
| 5852510 | Amplified telecommunication system for wavelength-division multiplexing transmission having an equalized reception power | Stefano Piciaccia | 1998-12-22 |
| 5809196 | Dispersion-shifted optical fibers for wavelength division multiplexing | Giorgio Grasso | 1998-09-15 |
| 5808787 | Amplified telecommunication system for wavelength-division multiplexing transmissions | Giacomo Roba | 1998-09-15 |
| 5793508 | Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channels | — | 1998-08-11 |
| 5748364 | Amplified telecommunication system for wavelength-division multiplexing transmissions | Giacomo Roba | 1998-05-05 |
| 5701194 | Amplified telecommunication system for wavelength-division multiplexing transmissions capable of limiting variations in the output power | Stefano Piciaccia | 1997-12-23 |
| 5677786 | Device for reducing the optical noise due to four wave mixing | — | 1997-10-14 |
| 5638204 | Optical power amplifier with Al.sub.2 O.sub.3 and erbium doped active fiber | Giorgio Grasso, Aldo Righetti | 1997-06-10 |