Issued Patents All Time
Showing 76–95 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8639120 | Method and system for electrical domain optical spectrum shaping | Inwoong Kim, Takao Naito | 2014-01-28 |
| 8634715 | System and method for demand aggregation in optical networks employing shared ring protection | Xi Wang, Qiong Zhang, Takao Naito | 2014-01-21 |
| 8559829 | Flexible multi-band multi-traffic optical OFDM network | Inwoong Kim, Xi Wang, Motoyoshi Sekiya | 2013-10-15 |
| 8437273 | Allocating demand according to demand weight | Xi Wang, Takao Naito | 2013-05-07 |
| 8346965 | Systems and methods for multi-layer traffic grooming | Qiong Zhang, Qingya She, Xi Wang, Motoyoshi Sekiya | 2013-01-01 |
| 8347006 | Minimizing interconnections in a multi-shelf switching system | Qiong Zhang, Xi Wang, Takao Naito | 2013-01-01 |
| 8144626 | Determining disjoint paths with an optimized number of regenerators | Qiong Zhang, Xi Wang, Takao Naito | 2012-03-27 |
| 8131151 | Testing and measurement in optical networks | — | 2012-03-06 |
| 8055140 | Reducing cross-phase modulation using group delay | Olga Vassilieva, Richard L. Colter, Daniel Bihon | 2011-11-08 |
| 7920792 | System and method for managing communication in a hybrid passive optical network | Martin Bouda, Takao Naito | 2011-04-05 |
| 7787763 | System and method for protecting optical light-trails | Ashwin Gumaste, Susumu Kinoshita | 2010-08-31 |
| 7616891 | System and method for transmission and reception of traffic in optical light-trails | Ashwin Gumaste, Susumu Kinoshita | 2009-11-10 |
| 7603036 | System and method for managing network components in a hybrid passive optical network | Martin Bouda, Takao Naito | 2009-10-13 |
| 7515828 | System and method for implementing optical light-trails | Ashwin Gumaste, Susumu Kinoshita | 2009-04-07 |
| 7421197 | Optical network protection switching architecture | Kumar Vijay Peddanarappagari | 2008-09-02 |
| 7327954 | Optical signaling to share active channel information | Hok Yong Pua, Emir Catovic, Harbhajan Vridee | 2008-02-05 |
| 7155124 | Loss-less architecture and method for wavelength division multiplexing (WDM) optical networks | Kumar Vijay Peddanarappagari | 2006-12-26 |
| 7151895 | Method and system for automatically setting gain for an amplifier in an optical network | Jamil Omar-Hatem El-Reedy, Kumar Vijay Peddanarappagari, Emir Catovic | 2006-12-19 |
| 6751217 | Combined selector switch and serial multi-Gb/s data pulse receiver | Anthony D. Brown | 2004-06-15 |
| 6446152 | System and method for multi-coupling digital signals and a backplane data bus with multi-coupling of digital signals | Jian Song | 2002-09-03 |