Issued Patents All Time
Showing 51–75 of 95 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9531599 | Virtual optical network provisioning based on mapping choices and patterns | Mukul R. Prasad, Indradeep Ghosh, Xi Wang | 2016-12-27 |
| 9503367 | Risk mitigation in data center networks using virtual machine sharing | Qiong Zhang, Xi Wang, Motoyoshi Sekiya | 2016-11-22 |
| 9485554 | Methods and systems for using modulation frequencies for optical channel monitoring with periodic optical filtering | Inwoong Kim, Olga Vassilieva, Motoyoshi Sekiya | 2016-11-01 |
| 9444550 | Flexible virtual optical network provisioning using distance-adaptive modulation | Xi Wang, Qiong Zhang, Inwoong Kim, Motoyoshi Sekiya | 2016-09-13 |
| 9391875 | Resource oriented dependency graph for network configuration | Qiong Zhang, Chengyi Gao, Xi Wang, Motoyoshi Sekiya | 2016-07-12 |
| 9344194 | System and method for monitoring and control of an optical modulator for an M-QAM transmitter | Inwoong Kim, Olga Vassilieva, Motoyoshi Sekiya | 2016-05-17 |
| 9344190 | Flexible placement of spectral inverters in optical networks | Inwoong Kim, Olga Vassilieva, Motoyoshi Sekiya | 2016-05-17 |
| 9197542 | Systems and methods of network reconfiguration | Qiong Zhang, Chengyi Gao, Xi Wang, Motoyoshi Sekiya | 2015-11-24 |
| 9197350 | Systems and methods for routing and wavelength assignment for network virtualization | Qiong Zhang, Weisheng Xie, Qingya She, Xi Wang, Motoyoshi Sekiya | 2015-11-24 |
| 9154858 | Probability-based regenerator site analysis | Xi Wang, Qiong Zhang, Motoyoshi Sekiya | 2015-10-06 |
| 9112609 | Mitigation of polarization dependent loss in optical multi-carrier/super-channel transmission | Inwoong Kim, Olga Vassilieva, Motoyoshi Sekiya | 2015-08-18 |
| 9083485 | Defragmentation of optical networks | Xi Wang, Inwoong Kim, Motoyoshi Sekiya | 2015-07-14 |
| 9014559 | Methods for efficient transmission in OTN networks | Qiong Zhang, Motoyoshi Sekiya | 2015-04-21 |
| 8989571 | In-band supervisory data modulation using complementary power modulation | Inwoong Kim, Olga Vassilieva, Motoyoshi Sekiya | 2015-03-24 |
| 8989581 | Wavelength reassignment in optical networks | Inwoong Kim, Xi Wang, Motoyoshi Sekiya | 2015-03-24 |
| 8983290 | System and method for monitoring a dual-polarization signal using an in-band supervisory signal | Inwoong Kim, Olga Vassilieva, Motoyoshi Sekiya, Jeng-Yuan Yang | 2015-03-17 |
| 8965198 | System and method for shared mesh restoration in optical networks | Qiong Zhang, Xi Wang, Motoyoshi Sekiya | 2015-02-24 |
| 8942114 | System and method for calculating utilization entropy | Xi Wang, Inwoong Kim, Qiong Zhang, Motoyoshi Sekiya | 2015-01-27 |
| 8909049 | Method and system for calculating spectrum granularity in flexible grid optical networks | Xi Wang, Qiong Zhang, Inwoong Kim, Motoyoshi Sekiya | 2014-12-09 |
| 8891956 | Method and system for increasing transponder sharing for mesh restoration in a communication network | Xi Wang | 2014-11-18 |
| 8831012 | Determining paths in a network with asymmetric switches | Min He, Kevin Zhu, Srinivas Vobilisetti, Takao Naito, Xi Wang +1 more | 2014-09-09 |
| 8761600 | In-band supervisory data modulation | Inwoong Kim, Olga Vassilieva, Motoyoshi Sekiya | 2014-06-24 |
| 8750127 | Systems and methods for multi-domain routing | Qiong Zhang, Mohammad Masud Hasan, Xi Wang, Takao Naito, Fredrick S. Gruman | 2014-06-10 |
| 8699518 | Dynamic circuit adjustment | Xi Wang, Qiong Zhang, Takao Naito | 2014-04-15 |
| 8681634 | Systems and methods for determining protection paths in a multi-domain network | Qiong Zhang, Mohammad Masud Hasan, Xi Wang, Takao Naito, Fredrick S. Gruman | 2014-03-25 |