Issued Patents All Time
Showing 25 most recent of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10353280 | Optically enhanced solid-state light converters | Yuyong Huang | 2019-07-16 |
| 9933612 | Unbalanced hub design | Xin Liu, Irene Junjuan Xu | 2018-04-03 |
| 9733469 | Unbalanced hub design | Xin Liu, Irene Junjuan Xu | 2017-08-15 |
| 9606348 | Optical wheel | Louis Chen, Chai Sing Lim | 2017-03-28 |
| 9470398 | Compact light engine | Louis Chen, Shengyuan Bai | 2016-10-18 |
| 9294894 | Call reminder system | — | 2016-03-22 |
| 7236704 | Optical add/drop multiplexer utilizing variable optical attenuator | — | 2007-06-26 |
| 7193778 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | Masataka Shirasaki | 2007-03-20 |
| 7158697 | Optical multiplexer and demultiplexer apparatus utilizing multiple polarization beam splitters and reflection interferometers | Xuehua Wu, Yuezhong Feng, Xixiang Chen, Giovanni Barbarossa | 2007-01-02 |
| 7158304 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | Masataka Shirasaki | 2007-01-02 |
| 7075723 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | Masataka Shirasaki | 2006-07-11 |
| 7009770 | Multi-functional optical device utilizing multiple polarization beam splitters and non-linear interferometers | — | 2006-03-07 |
| 6947216 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | Masataka Shirasaki | 2005-09-20 |
| 6909550 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | Masataka Shirasaki | 2005-06-21 |
| 6885821 | Full-duplex optical add/drop communications system utilizing central light sources | Thomas Cooney | 2005-04-26 |
| 6865024 | Multi-functional optical device utilizing multiple polarization beam splitters and non-linear interferometers | — | 2005-03-08 |
| 6853488 | Reflection-type optical circulator utilizing a lens and birefringent plates | — | 2005-02-08 |
| 6853487 | Multi-functional optical device utilizing multiple polarization beam splitters and non-linear interferometers | Shudong Wu | 2005-02-08 |
| 6786611 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | Masataka Shirasaki | 2004-09-07 |
| 6781758 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | Masataka Shirasaki | 2004-08-24 |
| 6778780 | WDM utilizing grating-based channel separators | Olga Gorbounova, Kenneth John Bystrom, Hubert Vollmer | 2004-08-17 |
| 6760158 | Multi-functional optical device utilizing multiple polarization beam splitters and non-linear interferometers | — | 2004-07-06 |
| 6748140 | Method, system and apparatus for chromatic dispersion compensation utilizing a Gires-Tournois interferometer | Shudong Wu | 2004-06-08 |
| 6744991 | Tunable chromatic dispersion and polarization mode dispersion compensator utilizing a virtually imaged phased array | — | 2004-06-01 |
| 6721078 | Switchable interleaved channel separator devices and systems | — | 2004-04-13 |