Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443633 | Optical device package | Jonathan Liberty | 2002-09-03 |
| 6438291 | Coupling of light into a monolithic waveguide device | Yihao Cheng, Jan Ingenhoff, Norbert Fabricius | 2002-08-20 |
| 6393179 | Optical coupling system | Yihao Cheng | 2002-05-21 |
| 6175673 | Lensed sleeve | — | 2001-01-16 |
| 6044187 | Multi-port fiber optical device | Neil Teitelbaum, Yihao Cheng, Vincent Delisle | 2000-03-28 |
| 6014484 | Method and device for optical coupling | Yihao Cheng, Calvin Si | 2000-01-11 |
| 5920411 | Optical multiplexing/demultiplexing device | Yihao Cheng | 1999-07-06 |
| 5896193 | Apparatus for testing an optical component | Paul Colbourne, Vasile Prunes, Carey M. Garrett | 1999-04-20 |
| 5832153 | Method and system for reducing unwanted effects of back reflections between two lenses in an optical system | — | 1998-11-03 |
| 5808763 | Optical demultiplexor | Y. Calvin Si, Neil Teitelbaum | 1998-09-15 |
| 5799121 | Multi-port optical device | Yihao Cheng | 1998-08-25 |
| 5793916 | Hermetically sealed connection assembly for two or more optical fibers | Donald W. Dahringer | 1998-08-11 |
| 5790314 | Grin lensed optical device | Yihao Cheng | 1998-08-04 |
| 5768005 | Multi-stage optical isolator | Yihao Cheng | 1998-06-16 |
| 5754718 | Hybrid optical filtering circuit | Yihao Cheng, Mark Farries | 1998-05-19 |
| 5745626 | Method for and encapsulation of an optical fiber | Neil Teitelbaum, Yihao Cheng | 1998-04-28 |
| 5706375 | Variable-attenuation tunable optical router | Stephen J. Mihailov, Mark Farries, Jinghui Li, Koichi Abe | 1998-01-06 |
| 5701375 | Method and system for aligning of optical elements | Yihao Cheng, Koichi Abe | 1997-12-23 |
| 5699468 | Bragg grating variable optical attenuator | Mark Farries, Stephen J. Mihailov, Koichi Abe | 1997-12-16 |
| 5629995 | Wavelength filter arrangements for use in fiber optics | Yihao Cheng | 1997-05-13 |
| 5615289 | Bandpass optical filter | David Henry Cushing, Stephen J. Mihailov | 1997-03-25 |
| 5612824 | Narrow band filter and method of making same | Y. Calvin Si, Joseph Ip, Neil Teitelbaum | 1997-03-18 |
| 5588078 | Non-reciprocal optical waveguide coupling device | Yihao Cheng | 1996-12-24 |
| 5539577 | Means to lessen unwanted reflections in an optical device | Y. Calvin Si, Yihao Cheng | 1996-07-23 |
| 5481402 | Tunable optical filter | Yihao Cheng, Timothy P. Cutts, Carey M. Garrett | 1996-01-02 |