Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8588624 | Pilot symbol aided carrier phase estimation | Dmitri Foursa | 2013-11-19 |
| 8483559 | System and method for monitoring a branched optical communication system | Haifeng Li, Ralph Brian Jander | 2013-07-09 |
| 8483574 | Correlation-control QPSK transmitter | Yu Sun, Carl R. Davidson, Yi Cai | 2013-07-09 |
| 8437644 | Vestigial phase shift keying modulation and systems and methods incorporating same | Carl R. Davidson, Jin-Xing Cai, Yi Cai | 2013-05-07 |
| 8270847 | Polarization multiplexing with different DPSK modulation schemes and system incorporating the same | Jin-Xing Cai | 2012-09-18 |
| 8135274 | System and method for fault identification in optical communication systems | Lee Richardson | 2012-03-13 |
| 8090270 | Frequency offset polarization multiplexing modulation format and system incorporating the same | Carl R. Davidson | 2012-01-03 |
| 8009983 | High loss loop back for long repeater span | — | 2011-08-30 |
| 8005358 | System and method for suppressing beat noise in line monitoring equipment | Ralph Brian Jander, Ram M. Engira | 2011-08-23 |
| 7872737 | System and method for optical time domain reflectometry using multi-resolution code sequences | Ralph Brian Jander, Charles Breverman, Ram M. Engira | 2011-01-18 |
| 7833929 | Process for the manufacture of methylmercaptan | Yiquan Yang, Qi Wang, Renchun Lin, Youzhu Yuan, Weiping Fang +9 more | 2010-11-16 |
| 7809279 | System and method using differential loop gain for fault identification in line monitoring equipment | Ralph Brian Jander | 2010-10-05 |
| 7778550 | System and method for wavelength monitoring and control | Ralph Brian Jander, Carl R. Davidson | 2010-08-17 |
| 7569731 | Process for the manufacture of methylmercaptan | Yiquan Yang, Qi Wang, Renchun Lin, Youzhu Yuan, Weiping Fang +9 more | 2009-08-04 |
| 7256877 | System and method for rapidly achieving optimum dispersion in optical transmission systems | Robert R. Cordell, Carl R. Davidson, Yi Cai | 2007-08-14 |
| 7154670 | Methods and apparatus for polarization control | Li Liu, R. Brian Jander, Alexei N. Pilipetskii | 2006-12-26 |
| 7130030 | System and method for rapidly achieving optimum dispersion in optical transmission systems | Carl R. Davidson, Robert R. Cordell, Yi Cai | 2006-10-31 |
| 7126044 | Plant genes conferring resistance to Citrus tristeza virus | Frederick G. Gmitter, Jr., Zhanao Deng | 2006-10-24 |
| 7120330 | Apparatus for forming a WDM signal having orthogonally polarized optical channels | R. Brian Jander, Thomas R. Lawrence | 2006-10-10 |
| 6975790 | Apparatus for forming a WDM signal having orthogonally polarized optical channels | R. Brian Jander, Thomas R. Lawrence | 2005-12-13 |