Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8909049 | Method and system for calculating spectrum granularity in flexible grid optical networks | Qiong Zhang, Inwoong Kim, Paparao Palacharla, Motoyoshi Sekiya | 2014-12-09 |
| 8891956 | Method and system for increasing transponder sharing for mesh restoration in a communication network | Paparao Palacharla | 2014-11-18 |
| 8831012 | Determining paths in a network with asymmetric switches | Min He, Kevin Zhu, Srinivas Vobilisetti, Takao Naito, Paparao Palacharla +1 more | 2014-09-09 |
| 8750127 | Systems and methods for multi-domain routing | Qiong Zhang, Mohammad Masud Hasan, Paparao Palacharla, Takao Naito, Fredrick S. Gruman | 2014-06-10 |
| 8699518 | Dynamic circuit adjustment | Qiong Zhang, Paparao Palacharla, Takao Naito | 2014-04-15 |
| 8681634 | Systems and methods for determining protection paths in a multi-domain network | Qiong Zhang, Mohammad Masud Hasan, Paparao Palacharla, Takao Naito, Fredrick S. Gruman | 2014-03-25 |
| 8634715 | System and method for demand aggregation in optical networks employing shared ring protection | Qiong Zhang, Paparao Palacharla, Takao Naito | 2014-01-21 |
| 8559829 | Flexible multi-band multi-traffic optical OFDM network | Inwoong Kim, Paparao Palacharla, Motoyoshi Sekiya | 2013-10-15 |
| 8437273 | Allocating demand according to demand weight | Paparao Palacharla, Takao Naito | 2013-05-07 |
| 8347006 | Minimizing interconnections in a multi-shelf switching system | Qiong Zhang, Paparao Palacharla, Takao Naito | 2013-01-01 |
| 8346965 | Systems and methods for multi-layer traffic grooming | Qiong Zhang, Paparao Palacharla, Qingya She, Motoyoshi Sekiya | 2013-01-01 |
| 8144626 | Determining disjoint paths with an optimized number of regenerators | Qiong Zhang, Paparao Palacharla, Takao Naito | 2012-03-27 |