Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38620 | Optical multiplexer/demultiplexer | — | 2004-10-12 |
| 6690855 | Planar waveguide dispersion compensator | James Whiteaway, Terry Bricheno | 2004-02-10 |
| 6636662 | Planar waveguide dispersion compensator | James Whiteaway, Terry Bricheno | 2003-10-21 |
| 6522811 | Arrayed waveguide grating | James Whiteaway, Alan Fielding | 2003-02-18 |
| 6301409 | Optical comb filter | James Whiteaway, Terry Bricheno | 2001-10-09 |
| 6243514 | Optical multiplexer/demultiplexer | — | 2001-06-05 |
| 6240221 | Integrated optical mach zehnder structures | — | 2001-05-29 |
| 6144783 | Optical multiplexter/demultiplexer | Richard E. Epworth, Terry Bricheno | 2000-11-07 |
| 6111996 | Optical multiplexer/demultiplexer | — | 2000-08-29 |
| 6058125 | Semiconductor lasers | — | 2000-05-02 |
| 6050778 | Semi-articulated rotor system | Francis H. McArdle, Thomas W. Griffith, Sr., John H. Peck, Helene G. McArdle | 2000-04-18 |
| 5694504 | Semiconductor modulator with a .pi. shift | Jun Yu, Mark Acton Gibbon, David Owen Yevick, Claude Rolland | 1997-12-02 |
| 5530580 | Electro absorption optical modulators | Igor K. Czajknwski, Mark Acton Gibbon | 1996-06-25 |
| 5493624 | Polarization state converter | — | 1996-02-20 |
| 5196368 | Semiconductor device manufacture | Piers James Geoffrey Dawe, David A. Spear | 1993-03-23 |
| 5029981 | Diffraction grating | — | 1991-07-09 |
| 4833512 | Heterojunction photo-detector with transparent gate | — | 1989-05-23 |
| 4817106 | Coupled waveguide injection laser | — | 1989-03-28 |
| 4814836 | FET photoconductor with a heterojunction in the channel | — | 1989-03-21 |
| 4760580 | Laser array | James Whiteaway | 1988-07-26 |
| 4755858 | Field effect transistor | Piers James Geoffrey Dawe | 1988-07-05 |
| 4740823 | Photo-detectors | — | 1988-04-26 |
| 4669816 | Optical waveguide coupler | — | 1987-06-02 |
| 4636829 | Photodetector integrated circuit | John C. Greenwood | 1987-01-13 |
| 4517581 | Photodetector | — | 1985-05-14 |