Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6847786 | Compact wavelength filter using optical birefringence and reflective elements | Leo Lin, Jian Liu | 2005-01-25 |
| 6552833 | Programmable optical add/drop multiplexer | Jian Liu, Kuang-Yi Wu | 2003-04-22 |
| 6429962 | Dynamic gain equalizer for optical amplifiers | Ming Xu, Tizhi Huang, Chongchang Mao, Jian Liu, Kuang-Yi Wu | 2002-08-06 |
| 6426816 | Wide transmission optical comb filter with wide pass band and wide stop band | Kuang-Yi Wu, Jian Liu, Ye Li | 2002-07-30 |
| 6396609 | Dispersion compensation for optical systems | Chi-Hao Cheng, Jian Liu, Kuang-Yi Wu | 2002-05-28 |
| 6353467 | Acute twist nematic (ATN) liquid crystal device for optical communication applications | Yen-Chen Chen, Kuang-Yi Wu, Jian Liu | 2002-03-05 |
| 6285478 | Programmable optical add/drop device | Jian Liu, Kuang-Yi Wu | 2001-09-04 |
| 6208442 | Programmable optical multiplexer | Jian Liu, Kuang-Yi Wu | 2001-03-27 |
| 6201593 | Optical communication system having a liquid crystal routing switch | Yen-Chen Chen, Kuang-Yi Wu, Jian Liu | 2001-03-13 |
| 6094246 | Acute twist nematic liquid crystal electro-optic modulator for use in an infrared optical communication system having extinction ratio of -25db | Yen-Chen Chen, Kuang-Yi Wu, Jian Liu | 2000-07-25 |
| 5781268 | Polarization-insensitive fabry-perot tunable filter | Jian Liu, Kristina M. Johnson, Gary D. Sharp | 1998-07-14 |