Ji; Philip Nan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ji; Philip Nan.The latest application filed is for "bidirectional optical communication and sensing wdm architecture using same fiber transmission band".

Company Profile

4.56.75

Ji; Philip Nan - Cranbury NJ
Ji; Philip Nan - Plainsboro NJ
Ji; Philip Nan - Princeton NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Time-space de-noising for distributed sensors Grant 11,132,542 - Ji , et al. September 28, 2	2021-09-28
Bidirectional Optical Communication And Sensing Wdm Architecture Using Same Fiber Transmission Band App 20200412451 - HUANG; Yue-Kai ; et al.	2020-12-31
Bidirectional optical communication and sensing WDM architecture using same fiber transmission band Grant 10,763,964 - Huang , et al. Sep	2020-09-01
Time-space De-noising For Distributed Sensors App 20200005036 - JI; Philip Nan ; et al.	2020-01-02
Bidirectional Optical Communication And Sensing Wdm Architecture Using Same Fiber Transmission Band App 20200007234 - HUANG; Yue-Kai ; et al.	2020-01-02
Method to increase the signal to noise ratio of distributed acoustic sensing by spatial averaging Grant 10,345,138 - Milione , et al. July 9, 2	2019-07-09
Distributed acoustic sensing system based on delayed optical hybrid phase demodulator Grant 10,162,245 - Ji , et al. Dec	2018-12-25
Redundancy protection for reconfigurable optical add/drop multiplexing (ROADM) branching unit Grant 9,866,346 - Ji , et al. January 9, 2	2018-01-09
Multi-layer virtual infrastructure embedding in software-defined flexible-grid transport networks Grant 9,866,442 - Patel , et al. January 9, 2	2018-01-09
Distributed Acoustic Sensing System Based on Delayed Optical Hybrid Phase Demodulator App 20170350734 - Ji; Philip Nan ; et al.	2017-12-07
Bi-directional transmission over an elliptical core optical fiber Grant 9,813,155 - Milione , et al. November 7, 2	2017-11-07
Bi-Directional Transmission Over an Elliptical Core Optical Fiber App 20170214463 - Milione; Giovanni ; et al.	2017-07-27
Method To Increase The Signal To Noise Ratio Of Distributed Acoustic Sensing By Spatial Averaging App 20170211970 - Milione; Giovanni ; et al.	2017-07-27
Low cost secure submarine ROADM branching unit using bidirectional wavelength-selective switch Grant 9,654,246 - Ji , et al. May 16, 2	2017-05-16
Low cost secure ROADM branching unit with redundancy protection Grant 9,654,209 - Ji , et al. May 16, 2	2017-05-16
Redundancy Protection For Reconfigurable Optical Add/drop Multiplexing (roadm) Branching Unit App 20170117982 - JI; Philip Nan ; et al.	2017-04-27
Three Dimensional Vein Imaging Using Photo-acoustic Tomography App 20170112383 - Milione; Giovanni ; et al.	2017-04-27
Burst switching system using optical cross-connect as switch fabric Grant 9,544,667 - Hu , et al. January 10, 2	2017-01-10
Network followed by compute load balancing procedure for embedding cloud services in software-defined flexible-grid optical transport networks Grant 9,473,573 - Patel , et al. October 18, 2	2016-10-18
Power Efficient Multi-Degree ROADM Using Variable Optical Splitter App 20160301495 - Ji; Philip Nan ; et al.	2016-10-13
Low Cost Secure ROADM Branching Unit With Redundancy Protection App 20160301467 - Ji; Philip Nan ; et al.	2016-10-13
Variable line-rate optical transmitter by modulation format hopping using electrical-optical-electrical EOE generated QAM Signal Grant 9,450,676 - Huang , et al. September 20, 2	2016-09-20
Generic centralized architecture for software-defined networking with low latency one-way bypass communication Grant 9,450,805 - Cvijetic , et al. September 20, 2	2016-09-20
Dynamic wavelength virtualization and/or on-demand flow provisioning in optical networks Grant 9,420,359 - Cvijetic , et al. August 16, 2	2016-08-16
Low Cost Secure Submarine ROADM Branching Unit Using Bidirectional Wavelength-Selective Switch App 20160149663 - Ji; Philip Nan ; et al.	2016-05-26
Hybrid electro-optical distributed software-defined data center architecture Grant 9,247,325 - Patel , et al. January 26, 2	2016-01-26
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
Suurballe-based cloud service embedding procedure in software-defined flexible-grid optical transport networks Grant 9,247,327 - Patel , et al. January 26, 2	2016-01-26
Multi-layer Virtual Infrastructure Embedding In Software-defined Flexible-grid Transport Networks App 20150319047 - Patel; Ankitkumar ; et al.	2015-11-05
Network fragmentation measurement in an optical wavelength division multiplexing (WDM) network Grant 9,166,723 - Patel , et al. October 20, 2	2015-10-20
Switching for a MIMO-OFDM based flexible rate intra-data center network Grant 9,161,107 - Ji , et al. October 13, 2	2015-10-13
Virtual networking embedding procedure in an optical wavelength division multiplexing (WDM) network Grant 9,160,477 - Patel , et al. October 13, 2	2015-10-13
Software-defined optical network Grant 9,131,289 - Cvijetic , et al. September 8, 2	2015-09-08
Multi-direction variable optical transceiver Grant 9,124,369 - Ji , et al. September 1, 2	2015-09-01
QoS-aware united control protocol for optical burst switching in software defined optical networks Grant 9,094,126 - Patel , et al. July 28, 2	2015-07-28
Adaptive optical amplifier for WDM systems Grant 9,094,148 - Ji , et al. July 28, 2	2015-07-28
MIMO-OFDM-based flexible rate intra-data center network Grant 9,059,888 - Ji , et al. June 16, 2	2015-06-16
Hybrid Electro-optical Distributed Software-defined Data Center Architecture App 20150147060 - Patel; Ankitkumar N. ; et al.	2015-05-28
Burst Switching System Using Optical Cross-Connect as Switch Fabric App 20150104171 - Hu; Junqiang ; et al.	2015-04-16
Suurballe-based Cloud Service Embedding Procedure in Software-Defined Flexible-Grid Optical Transport Networks App 20150104166 - Patel; Ankitkumar ; et al.	2015-04-16
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
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
Network Followed By Compute Load Balancing Procedure For Embedding Cloud Services In Software-defined Flexible-grid Optical Transport Networks App 20150046592 - Patel; Ankitkumar N. ; et al.	2015-02-12
Network Depth Limited Network Followed by Compute Load Balancing Procedure for Embedding Cloud Services in Software-Defined Flexible-Grid Optical Transport Networks App 20150043911 - Patel; Ankitkumar N. ; et al.	2015-02-12
Adaptive Optical Amplifier for WDM Systems App 20140334814 - Ji; Philip Nan ; et al.	2014-11-13
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
Generating a 400-Gbit/s single-channel optical signal Grant 8,873,970 - Yu , et al. October 28, 2	2014-10-28
Variable rate optical transmitter based on all-optical OFDM super-channel technology Grant 8,873,952 - Ji , et al. October 28, 2	2014-10-28
Latching Optical Switch And Subsystem Using Bistable Liquid Crystal App 20140241720 - Ji; Philip Nan ; et al.	2014-08-28
Dynamic Wavelength Virtualization and/or On-Demand Flow Provisioning in Optical Networks App 20140241717 - Cvijetic; Neda ; et al.	2014-08-28
Virtual Networking Embedding Procedure in an Optical Wavelength Division Multiplexing (WDM) Network App 20140226985 - Patel; Ankitkumar ; et al.	2014-08-14
Network Fragmentation Measurement in an Optical Wavelength Division Multiplexing (WDM) Network App 20140226986 - Patel; Ankitkumar ; et al.	2014-08-14
Switching for a MIMO-OFDM Based Flexible Rate Intra-Data Center Network App 20140212135 - Ji; Philip Nan ; et al.	2014-07-31
Multi-Direction Variable Optical Transceiver App 20140205286 - Ji; Philip Nan ; et al.	2014-07-24
Greedy channel selection procedure for the routing, wavelength assignment and spectrum allocation in the flexible optical WDM networks Grant 8,781,328 - Patel , et al. July 15, 2	2014-07-15
QoS-aware united control protocol for optical burst switching in software defined optical netoworks App 20140178066 - Patel; Ankitkumar N. ; et al.	2014-06-26
Grooming Multicast Traffic in Flexible Optical Wavelength Division Multiplexing WDM Networks App 20140147120 - Patel; Ankitkumar N. ; et al.	2014-05-29
Rate selection for channel selection in flexible WDM networks Grant 8,718,097 - Patel , et al. May 6, 2	2014-05-06
K-alternate channel selection for the routing, wavelength assignment and spectrum allocation in flexible optical WDM networks Grant 8,705,963 - Patel , et al. April 22, 2	2014-04-22
Generic Centralized Architecture for Software-Defined Networking with Low Latency One-Way Bypass Communication App 20140095685 - Cvijetic; Neda ; et al.	2014-04-03
MIMO-OFDM-Based Flexible Rate Intra-Data Center Network App 20140056371 - Ji; Philip Nan ; et al.	2014-02-27
Software-Defined Optical Network App 20130343755 - Cvijetic; Neda ; et al.	2013-12-26
Light-Tree Provisioning for Multicast Traffic in Flexible Optical WDM Networks App 20130272711 - Patel; Ankitkumar ; et al.	2013-10-17
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
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
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
Variable Rate Optical Transmitter Based on All-Optical OFDM Super-Channel Technology App 20130058648 - Ji; Philip Nan ; et al.	2013-03-07
Variable Line-Rate Optical Transmitter by Modulation Format Hopping Using Electrical-Optical-Electrical EOE Generated QAM Signal App 20120321323 - Huang; Yue-Kai ; et al.	2012-12-20
Optical Superchannel Method and System App 20120301142 - Huang; Yue-Kai ; et al.	2012-11-29
Method for Traffic Grooming, Wavelength Assignment and Spectrum Allocation App 20120251117 - Patel; Ankitkumar N. ; et al.	2012-10-04
WDM passive optical network with parallel signal detection for video and data delivery Grant 8,260,140 - Luo , et al. September 4, 2	2012-09-04
Integrated equalizer and Michelson interferometer structure for inter-symbol interference-suppressed colorless DPSK demodulation Grant 8,218,977 - Ji , et al. July 10, 2	2012-07-10
Rate Selection for Channel Selection in Flexible WDM Networks App 20120069856 - Patel; Ankitkumar ; et al.	2012-03-22
K-alternate Channel Selection for the Routing, Wavelength Assignment and Spectrum Allocation in Flexible Optical WDM Networks App 20120070148 - Patel; Ankitkumar ; et al.	2012-03-22
Greedy Channel Selection Procedure for the Routing, Wavelength Assignment and Spectrum Allocation in the Flexible Optical WDM Networks App 20120070150 - Patel; Ankitkumar ; et al.	2012-03-22
Differential delay receiver using cross-polarization interferometer for PolMux-DPSK system Grant 8,090,271 - Qian , et al. January 3, 2	2012-01-03
Transponder Aggregator Without Wavelength Selector for Colorless and Directionless Multi-Degree ROADM Node App 20110286746 - Ji; Philip Nan ; et al.	2011-11-24
Intra-channel equalizing optical interleaver Grant 8,064,768 - Ji , et al. November 22, 2	2011-11-22
Orthogonal frequency division multiple access (OFDMA) based passive optical network (PON) architecture and its extension to long distance Grant 8,000,604 - Qian , et al. August 16, 2	2011-08-16
Passive optical network system employing sub-carrier multiplexing and orthogonal frequency division multiple access modulation schemes Grant 7,978,975 - Qian , et al. July 12, 2	2011-07-12
Photonic filter bank for high-speed analog-to-digital conversion Grant 7,973,688 - Huang , et al. July 5, 2	2011-07-05
On Improved Optical Network Apparatus Having Optical Line Terminal Blade Protection with 1-to-N Redundancy and No-Service-Interruption App 20110069954 - Hu; Junqiang ; et al.	2011-03-24
Generating A 400-Gbit/s Single-Channel Optical Signal App 20110020003 - Yu; Jianjun ; et al.	2011-01-27
Optical tunable asymmetric interleaver and upgrade for dense wavelength division multiplexed networks Grant 7,869,711 - Ji , et al. January 11, 2	2011-01-11
Mult9-degree Wavelength Cross-connect Using Bidirectional Wavelength Selective Switch App 20100260500 - JI; Philip Nan ; et al.	2010-10-14
Optical Communication System and Method for Generating Dark Return-to-Zero and DWDM Optical MM-Wave Generation For ROF Downstream link using Optical Phase Modulator and Optical Interleaver App 20100247104 - Yu; Jianjun ; et al.	2010-09-30
Integrated Equalizer and Michelson Interferometer Structure for Inter-Symbol Interference-Suppressed colorless DPSK demodulation App 20100232803 - Ji; Philip Nan ; et al.	2010-09-16
Modified Michelson Interferometer Structure for Inter-Symbol Interference-Suppressed Colorless DPSK Demodulation App 20100232789 - Ji; Philip Nan ; et al.	2010-09-16
Optical communication system and method for generating dark return-to zero and DWDM optical MM-Wave generation for ROF downstream link using optical phase modulator and optical interleaver Grant 7,761,012 - Yu , et al. July 20, 2	2010-07-20
Centralized resource management in wavelength selective switch based wavelength cross connect systems Grant 7,751,714 - Zhong , et al. July 6, 2	2010-07-06
Generation Of At Least 100 Gbit/s Optical Transmission App 20100028001 - Yu; Jianjun ; et al.	2010-02-04
Passive Optical Network System Employing Sub-carrier Multiplexing And Orthogonal Frequency Division Multiple Access Modulation Schemes App 20100028002 - Qian; Dayou ; et al.	2010-02-04
Optical Frontend for Integration of Optical and Wireless Networks App 20090285577 - Yu; Jianjun ; et al.	2009-11-19
Differential Delay Receiver Using Cross-polarization Interferometer For Polmux-dpsk System App 20090274460 - QIAN; DAYOU ; et al.	2009-11-05
Photonic Filter Bank For High-speed Analog-to-digital Conversion App 20090251345 - Huang; Yue-Kai ; et al.	2009-10-08
Intra-Channel Equalizing Optical Interleaver App 20090162066 - Ji; Philip Nan ; et al.	2009-06-25
Triplexer transceiver using parallel signal detection Grant 7,529,484 - Xu , et al. May 5, 2	2009-05-05
Demodulator System And Method Using Multilevel Differential Phase Shift Keying App 20090059351 - XU; LEI ; et al.	2009-03-05
Pattern Effect Reduction Of Optical Signals App 20090016739 - Yu; Jianjun ; et al.	2009-01-15
Orthogonal Frequency Division Multiple Access (ofdma) Based Passive Optical Network (pon) Architecture And Its Extension To Long Distance App 20080267630 - QIAN; DAYOU ; et al.	2008-10-30
Centralized Resource Management In Wavelength Selective Switch Based Wavelength Cross Connect Systems App 20080260383 - ZHONG; Lei ; et al.	2008-10-23
High Bit Rate Packet Generation with High Spectral Efficiency in an Optical Network App 20080253768 - Yu; Jianjun ; et al.	2008-10-16
Inter-Symbol Interference-Suppressed Colorless DPSK Demodulation App 20080240736 - Ji; Philip Nan ; et al.	2008-10-02
Colorless Optical Demodulator For Differential Quadrature Phase Shift Keying Dwdm Systems App 20080199189 - XU; Lei ; et al.	2008-08-21
Wdm Passive Optical Network With Parallel Signal Detection For Video And Data Delivery App 20080166129 - Luo; Yuanqiu ; et al.	2008-07-10
Optical Subchannels From a Single Lightwave Source App 20080063396 - Yu; Jianjun ; et al.	2008-03-13
All Order Polarization Mode Dispersion Compensation with Spectral Interference Based Pulse Shaping App 20080002972 - Dogariu; Arthur ; et al.	2008-01-03
Optical Equalization Filtering Of Dwdm Channels App 20070206898 - WANG; Ting ; et al.	2007-09-06
Optical Communication System and Method for Generating Dark Return-to-Zero and DWDM Optical MM-Wave Generation for ROF Downstream Link Using Optical Phase Modulator and Optical Interleaver App 20070166054 - Yu; Jianjun ; et al.	2007-07-19
Flexible waveband aggregator and deaggregator and hierarchical hybrid optical cross-connect system Grant 7,239,772 - Wang , et al. July 3, 2	2007-07-03
Triplexer Transceiver Using Parallel Signal Detection App 20070133987 - Xu; Lei ; et al.	2007-06-14
Optical Tunable Asymmetric Interleaver And Upgrade For Dense Wavelength Division Multiplexed Networks App 20070116468 - JI; Philip Nan ; et al.	2007-05-24
Colorless Differential Phase Shift Keyed and Low Crosstalk Demodulators App 20060232848 - Xu; Lei ; et al.	2006-10-19
Flexible band tunable filter Grant 7,099,529 - Wang , et al. August 29, 2	2006-08-29
Flexible band tunable add/drop multiplexer and modular optical node architecture App 20050281558 - Wang, Ting ; et al.	2005-12-22
Flexible waveband aggregator and deaggregator and hierarchical hybrid optical cross-connect system App 20050281504 - Wang, Ting ; et al.	2005-12-22
Flexible band tunable filter App 20050213879 - Wang, Ting ; et al.	2005-09-29