| Patent | Date |
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Optical Fiber Sensing System, Optical Fiber Sensing Equipment, And Power Outage Detection Method
App 20220291262 - YODA; Yukihide ; et al. | 2022-09-15 |
Optical Fiber Sensing System, Optical Fiber Sensing Equipment, And Abnormality Assessment Method
App 20220276089 - YODA; Yukihide ; et al. | 2022-09-01 |
Optical Fiber Sensing System, Optical Fiber Sensing Equipment, And Rescue Request Detection Method
App 20220277641 - YODA; Yukihide ; et al. | 2022-09-01 |
Optical Fiber Sensing System, Optical Fiber Sensing Device, And Method For Detecting Pipe Deterioration
App 20220244097 - YODA; Yukihide ; et al. | 2022-08-04 |
Monitoring System, Monitoring Device, Monitoring Method, And Non-transitory Computer-readable Medium
App 20220172479 - YODA; Yukihide ; et al. | 2022-06-02 |
Monitoring System, Monitoring Device, Monitoring Method, And Non-transitory Computer-readable Medium
App 20220171082 - YODA; Yukihide ; et al. | 2022-06-02 |
Optical Fiber Sensing System, State Detection Device, State Detection Method, And Non-transitory Computer-readable Medium
App 20220151556 - YODA; Yukihide ; et al. | 2022-05-19 |
Systems And Methods For Utilizing Machine Learning To Minimize A Potential Of Damage To Fiber Optic Cables
App 20220136891 - XIA; Tiejun J. ; et al. | 2022-05-05 |
Optical Transmission Apparatus, Optical Reception Apparatus, Optical Communications Apparatus, Optical Communication System, And Methods Of Controlling Them
App 20220140910 - AONO; Yoshiaki | 2022-05-05 |
Optical Fiber Sensing System
App 20220136871 - YODA; Yukihide ; et al. | 2022-05-05 |
Optical transmission apparatus, optical reception apparatus, optical communications apparatus, optical communication system, and methods of controlling them
Grant 11,296,793 - Aono April 5, 2 | 2022-04-05 |
Statistical Image Processing-based Anomaly Detection System For Cable Cut Prevention
App 20220065690 - HAN; Shaobo ; et al. | 2022-03-03 |
Road Monitoring System, Road Monitoring Device, Road Monitoring Method, And Non-transitory Computer-readable Medium
App 20220044552 - YODA; Yukihide ; et al. | 2022-02-10 |
Road Monitoring System, Road Monitoring Device, Road Monitoring Method, And Non-transitory Computer-readable Medium
App 20220032943 - YODA; Yukihide ; et al. | 2022-02-03 |
Railroad Monitoring System, Railroad Monitoring Device, Railroad Monitoring Method, And Non-transitory Computer-readable Medium
App 20220032981 - YODA; Yukihide ; et al. | 2022-02-03 |
Optical Fiber Sensing Expansion Apparatus And Optical Fiber Sensing System
App 20220026247 - YODA; Yukihide ; et al. | 2022-01-27 |
Civil Engineering Structure Monitoring System, Civil Engineering Structure Monitoring Apparatus, Civil Engineering Structure Monitoring Method, And Non-transitory Computer-readable Medium
App 20210372828 - YODA; Yukihide ; et al. | 2021-12-02 |
State Specifying System, State Specifying Apparatus, State Specifying Method, And Non-transitory Computer Readable Medium
App 20210247214 - YODA; Yukihide ; et al. | 2021-08-12 |
Utility Pole Deterioration Detection System, Utility Pole Deterioration Detection Apparatus, Utility Pole Deterioration Detection Method, And Non-transitory Computer Readable Medium
App 20210247215 - YODA; Yukihide ; et al. | 2021-08-12 |
Utility Pole Location Specifying System, Utility Pole Location Specifying Apparatus, Utility Pole Location Specifying Method, And Non-transitory Computer Readable Medium
App 20210172767 - YODA; Yukihide ; et al. | 2021-06-10 |
Optical Transmission Apparatus, Optical Reception Apparatus, Optical Communications Apparatus, Optical Communication System, And Methods Of Controlling Them
App 20210021348 - AONO; Yoshiaki | 2021-01-21 |
Optical transmission apparatus, optical reception apparatus, optical communication apparatus, optical communication system, and methods of controlling them
Grant 10,855,377 - Aono December 1, 2 | 2020-12-01 |
Wavelength multiplexer, and method and program for identifying failed portion
Grant 9,654,850 - Aono May 16, 2 | 2017-05-16 |
Adding link aggregation group to hitless protection in packet switched networks
Grant 9,537,757 - Hu , et al. January 3, 2 | 2017-01-03 |
Power Efficient Multi-Degree ROADM Using Variable Optical Splitter
App 20160301495 - Ji; Philip Nan ; et al. | 2016-10-13 |
Optical Transmission Apparatus, Optical Reception Apparatus, Optical Communication Apparatus, Optical Communication System, And Methods Of Controlling Them
App 20160211920 - AONO; Yoshiaki | 2016-07-21 |
End-to-end hitless protection in packet switched networks
Grant 9,369,409 - Hu , et al. June 14, 2 | 2016-06-14 |
Joint optimization procedure for routing and wavelength assignment with combined dedicated shared protections in multi-cable multi-fiber optical WDM networks
Grant 9,246,627 - Patel , et al. January 26, 2 | 2016-01-26 |
Multi-direction variable optical transceiver
Grant 9,124,369 - Ji , et al. September 1, 2 | 2015-09-01 |
Wavelength Multiplexer, And Method And Program For Identifying Failed Portion
App 20150215687 - Aono; Yoshiaki | 2015-07-30 |
Method for the compensation of nonlinear impairments in dispersion-managed optical fiber links using phase conjugation and equivalent optical link
Grant 9,071,356 - Mateo , et al. June 30, 2 | 2015-06-30 |
MIMO-OFDM-based flexible rate intra-data center network
Grant 9,059,888 - Ji , et al. June 16, 2 | 2015-06-16 |
Spectrum aware rate selection procedure for optical channels in flexible WDM networks
Grant 9,054,829 - Patel , et al. June 9, 2 | 2015-06-09 |
Hitless protection for traffic received from 1+1 protecting line cards in high-speed switching systems
Grant 9,025,467 - Hu , et al. May 5, 2 | 2015-05-05 |
Solution for hitless protection in high-speed OTN framer and front-end
Grant 9,002,195 - Hu , et al. April 7, 2 | 2015-04-07 |
Transponder Aggregator-based optical loopback in a MD-ROADM
Grant 8,995,832 - Ji , et al. March 31, 2 | 2015-03-31 |
Eliminating External Buffer for Hitless Protection by Using Channelized Flow Control
App 20150085647 - Hu; Junqiang ; et al. | 2015-03-26 |
2-step-optimization procedure for routing and wavelength assignment with combined dedicated shared protections in multi-cable multi-fiber optical WDM networks
Grant 8,977,123 - Patel , et al. March 10, 2 | 2015-03-10 |
End-to-end Hitless Protection In Packet Switched Networks
App 20150043330 - HU; Junqiang ; et al. | 2015-02-12 |
Adding Link Aggregation Group To Hitless Protection In Packet Switched Networks
App 20150043331 - HU; JUNQIANG ; et al. | 2015-02-12 |
Optimal combined 2R/3R regenerators placement method for line network topologies in optical WDM networks
Grant 8,879,906 - Patel , et al. November 4, 2 | 2014-11-04 |
Method for traffic grooming, wavelength assignment and spectrum allocation
Grant 8,873,962 - Patel , et al. October 28, 2 | 2014-10-28 |
Multi-Direction Variable Optical Transceiver
App 20140205286 - Ji; Philip Nan ; et al. | 2014-07-24 |
Optical-layer traffic grooming at an OFDM subcarrier level with photodetection conversion of an input optical OFDM to an electrical signal
Grant 8,787,762 - Ji , et al. July 22, 2 | 2014-07-22 |
Digital signal-to-signal beat noise reduction for filter-less coherent receiving system
Grant 8,725,006 - Huang , et al. May 13, 2 | 2014-05-13 |
Chromatic dispersion compensation using sign operations and lookup tables
Grant 8,718,474 - Qian , et al. May 6, 2 | 2014-05-06 |
MIMO-OFDM-Based Flexible Rate Intra-Data Center Network
App 20140056371 - Ji; Philip Nan ; et al. | 2014-02-27 |
Spectrum Aware Rate Selection Procedure for Optical Channels in Flexible WDM Networks
App 20140016939 - Patel; Ankitkumar ; et al. | 2014-01-16 |
Optical-layer traffic grooming in flexible optical networks
Grant 8,611,743 - Ji , et al. December 17, 2 | 2013-12-17 |
Power optimization of optical receivers
Grant 8,600,242 - Ji , et al. December 3, 2 | 2013-12-03 |
Transponder Aggregator-based Optical Loopback In A Md-roadm
App 20130259474 - Ji; Philip N. ; et al. | 2013-10-03 |
ROADM transponder aggregator systems and methods of operation
Grant 8,538,267 - Ji , et al. September 17, 2 | 2013-09-17 |
2-Step-Optimization Procedure for Routing and Wavelength Assignment with Combined Dedicated Shared Protections in Multi-Cable Multi-Fiber Optical WDM Networks
App 20130216225 - Patel; Ankitkumar N. ; et al. | 2013-08-22 |
Joint Optimization Procedure for Routing and Wavelength Assignment with Combined Dedicated Shared Protections in Multi-Cable Multi-Fiber Optical WDM Networks
App 20130216224 - Patel; Ankitkumar N. ; et al. | 2013-08-22 |
Solution for Hitless Protection in High-Speed OTN Framer and Front-End
App 20130170825 - Hu; Junqiang ; et al. | 2013-07-04 |
Optimal Combined 2R/3R Regenerators Placement Method for Line Network Topologies in Optical WDM Networks
App 20130089323 - Patel; Ankitkumar N. ; et al. | 2013-04-11 |
Hitless Protection For Transmitting Traffic In High-speed Switching System
App 20130084062 - Hu; Junquiang ; et al. | 2013-04-04 |
Hitless Protection For Traffic Received From 1+1 Protecting Line Cards In High-speed Switching Systems
App 20130084063 - Hu; Junqiang ; et al. | 2013-04-04 |
Method for the Compensation of Nonlinear Impairments in Dispersion-Managed Optical Fiber Links Using Phase Conjugation and Equivalent Optical Link
App 20130077963 - Mateo; Eduardo ; et al. | 2013-03-28 |
Chromatic Dispersion Compensation Using Sign Operations And Lookup Tables
App 20120301157 - Qian; Dayou ; et al. | 2012-11-29 |
Wavelength division multiplexer and regenerative repeating method in wavelength division multiplexing network
Grant 8,290,373 - Aono October 16, 2 | 2012-10-16 |
Modular colorless and directionless multi-degree reconfigurable optical add/drop multiplexer node with in-service upgradeability
Grant 8,285,145 - Ji , et al. October 9, 2 | 2012-10-09 |
Method for Traffic Grooming, Wavelength Assignment and Spectrum Allocation
App 20120251117 - Patel; Ankitkumar N. ; et al. | 2012-10-04 |
Digital Signal-to-signal Beat Noise Reduction For Filter-less Coherent Receiving System
App 20120219294 - Huang; Yue-Kai ; et al. | 2012-08-30 |
Optical-layer Traffic Grooming In Flexible Optical Networks
App 20120213517 - Ji; Philip N. ; et al. | 2012-08-23 |
Optical-layer Traffic Grooming At An Ofdm Subcarrier Level With Photodetection Conversion Of An Input Optical Ofdm To An Electrical Signal
App 20120213523 - Ji; Philip N. ; et al. | 2012-08-23 |
Transponder Aggregator Without Wavelength Selector for Colorless and Directionless Multi-Degree ROADM Node
App 20110286746 - Ji; Philip Nan ; et al. | 2011-11-24 |
Roadm Systems And Methods Of Operation
App 20110262143 - JI; Philip N. ; et al. | 2011-10-27 |
Power Optimization Of Optical Receivers
App 20110249969 - Ji; Philip N. ; et al. | 2011-10-13 |
Roadm Transponder Aggregator Systems And Methods Of Operation
App 20110085803 - JI; PHILIP N. ; et al. | 2011-04-14 |
Modular Colorless And Directionless Multi-degree Reconfigurable Optical Add/drop Multiplexer Node With In-service Upgradeability
App 20110052201 - Ji; Philip N. ; et al. | 2011-03-03 |
Mult9-degree Wavelength Cross-connect Using Bidirectional Wavelength Selective Switch
App 20100260500 - JI; Philip Nan ; et al. | 2010-10-14 |
Wavelength Division Multiplexer And Regenerative Repeating Method In Wavelength Division Multiplexing Network
App 20100034533 - Aono; Yoshiaki | 2010-02-11 |
Redundant Switching System, Redundant Switching Method And Recording Medium
App 20080192625 - AONO; YOSHIAKI | 2008-08-14 |
Device and method for setting add signal level for OADM system
Grant 7,280,761 - Aono October 9, 2 | 2007-10-09 |
Core network system and optical transmission equipment
App 20060187972 - Aono; Yoshiaki ; et al. | 2006-08-24 |
Device and method for setting add signal level for OADM system
App 20020135839 - Aono, Yoshiaki | 2002-09-26 |
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