Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8670670 | Optical ring network architecture | — | 2014-03-11 |
| 8249456 | Optical ring network architecture | — | 2012-08-21 |
| 7764884 | Optical ring network architecture | — | 2010-07-27 |
| 7412171 | Optical ring network architecture | — | 2008-08-12 |
| 7123837 | Optical ring network architecture | — | 2006-10-17 |
| 6567197 | Optical ring network architecture | — | 2003-05-20 |
| 6498682 | Tunable add/drop filter | — | 2002-12-24 |
| 6370170 | Laser frequency stabilization apparatus | — | 2002-04-09 |
| 6363093 | Method and apparatus for a single-frequency laser | — | 2002-03-26 |
| 6292298 | Method and apparatus for realizing an optical multiplexer/demultiplexer | — | 2001-09-18 |
| 6240223 | Tunable optical routing device and method | — | 2001-05-29 |
| 5949573 | Tunable wavelength converter | — | 1999-09-07 |
| 5923449 | Optically restorable WDM ring network using simple add/drop circuitry | Christopher Doerr, Ivan P. Kaminow | 1999-07-13 |
| 5909294 | Full-duplex wavelength division multiplexing system using single-device transceivers | Christopher Doerr, Kang-Yih Liou | 1999-06-01 |
| 5907569 | Circuit for controlling the output power of an uncooled laser or light emitting diode | Kang-Yih Liou | 1999-05-25 |
| 5764821 | Large capacity local access network | — | 1998-06-09 |
| 5754321 | Add/drop optical circuit for a wavelength-division multiplexed network | Clinton Randy Giles | 1998-05-19 |
| 5740289 | Optical arrangement for amplifying WDM signals | — | 1998-04-14 |
| 5625478 | Optically restorable WDM ring network using simple add/drop circuitry | Christopher Doerr, Ivan P. Kaminow | 1997-04-29 |
| 5566014 | Tunable add/drop optical filter providing arbitrary channel arrangements | — | 1996-10-15 |
| 5542010 | Rapidly tunable wideband integrated optical filter | Robert W. Wilson | 1996-07-30 |
| 5526153 | Optical channel adding/dropping filter | — | 1996-06-11 |
| 5509023 | Laser control arrangement for tuning a laser | Ivan P. Kaminow | 1996-04-16 |
| 5493625 | Fast tunable channel dropping filter | — | 1996-02-20 |
| 5488500 | Tunable add drop optical filtering method and apparatus | — | 1996-01-30 |