Inventor
JI PHILIP NAN
US48 patents
⚠️ This page may combine multiple inventors who share the name “JI PHILIP NAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC LAB AMERICA INC
33 patentsUS7751714B2Jul 6, 2010
Centralized resource management in wavelength selective switch based wavelength cross connect systems
NEC LAB AMERICA INC28 citations88
US9124369B2Sep 1, 2015
Multi-direction variable optical transceiver
NEC LAB AMERICA INC10 citations84
US8000604B2Aug 16, 2011
Orthogonal frequency division multiple access (OFDMA) based passive optical network (PON) architecture and its extension to long distance
NEC LAB AMERICA INC13 citations84
US7978975B2Jul 12, 2011
Passive optical network system employing sub-carrier multiplexing and orthogonal frequency division multiple access modulation schemes
NEC LAB AMERICA INC16 citations84
US7973688B2Jul 5, 2011
Photonic filter bank for high-speed analog-to-digital conversion
NEC LAB AMERICA INC7 citations84
US7761012B2Jul 20, 2010
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
NEC LAB AMERICA INC11 citations84
US7529484B2May 5, 2009
Triplexer transceiver using parallel signal detection
NEC LAB AMERICA INC13 citations84
US7869711B2Jan 11, 2011
Optical tunable asymmetric interleaver and upgrade for dense wavelength division multiplexed networks
NEC LAB AMERICA INC9 citations83
US11132542B2Sep 28, 2021
Time-space de-noising for distributed sensors
NEC LAB AMERICA INC3 citations73
US10345138B2Jul 9, 2019
Method to increase the signal to noise ratio of distributed acoustic sensing by spatial averaging
NEC LAB AMERICA INC4 citations73
US9813155B2Nov 7, 2017
Bi-directional transmission over an elliptical core optical fiber
NEC LAB AMERICA INC2 citations73
US9654246B2May 16, 2017
Low cost secure submarine ROADM branching unit using bidirectional wavelength-selective switch
NEC LAB AMERICA INC2 citations73
US9654209B2May 16, 2017
Low cost secure ROADM branching unit with redundancy protection
NEC LAB AMERICA INC2 citations73
US9544667B2Jan 10, 2017
Burst switching system using optical cross-connect as switch fabric
NEC LAB AMERICA INC3 citations73
US9420359B2Aug 16, 2016
Dynamic wavelength virtualization and/or on-demand flow provisioning in optical networks
NEC LAB AMERICA INC3 citations73
US9160477B2Oct 13, 2015
Virtual networking embedding procedure in an optical wavelength division multiplexing (WDM) network
NEC LAB AMERICA INC5 citations73
US9094148B2Jul 28, 2015
Adaptive optical amplifier for WDM systems
NEC LAB AMERICA INC4 citations73
US8879906B2Nov 4, 2014
Optimal combined 2R/3R regenerators placement method for line network topologies in optical WDM networks
NEC LAB AMERICA INC5 citations73
US9247325B2Jan 26, 2016
Hybrid electro-optical distributed software-defined data center architecture
NEC LAB AMERICA INC3 citations72
US9161107B2Oct 13, 2015
Switching for a MIMO-OFDM based flexible rate intra-data center network
NEC LAB AMERICA INC3 citations63
US11463171B2Oct 4, 2022
Bidirectional optical communication and sensing WDM architecture using same fiber transmission band
NEC LAB AMERICA INC0 citations62
US9166723B2Oct 20, 2015
Network fragmentation measurement in an optical wavelength division multiplexing (WDM) network
NEC LAB AMERICA INC3 citations62
US9094126B2Jul 28, 2015
QoS-aware united control protocol for optical burst switching in software defined optical networks
NEC LAB AMERICA INC2 citations62
US9131289B2Sep 8, 2015
Software-defined optical network
NEC LAB AMERICA INC3 citations60
US10763964B2Sep 1, 2020
Bidirectional optical communication and sensing WDM architecture using same fiber transmission band
NEC LAB AMERICA INC0 citations52
US10162245B2Dec 25, 2018
Distributed acoustic sensing system based on delayed optical hybrid phase demodulator
NEC LAB AMERICA INC0 citations52
US9866346B2Jan 9, 2018
Redundancy protection for reconfigurable optical add/drop multiplexing (ROADM) branching unit
NEC LAB AMERICA INC1 citations52
US9866442B2Jan 9, 2018
Multi-layer virtual infrastructure embedding in software-defined flexible-grid transport networks
NEC LAB AMERICA INC0 citations52
US9247327B2Jan 26, 2016
Suurballe-based cloud service embedding procedure in software-defined flexible-grid optical transport networks
NEC LAB AMERICA INC0 citations52
US9002195B2Apr 7, 2015
Solution for hitless protection in high-speed OTN framer and front-end
NEC LAB AMERICA INC1 citations52
US9473573B2Oct 18, 2016
Network followed by compute load balancing procedure for embedding cloud services in software-defined flexible-grid optical transport networks
NEC LAB AMERICA INC1 citations51
US9450805B2Sep 20, 2016
Generic centralized architecture for software-defined networking with low latency one-way bypass communication
NEC LAB AMERICA INC1 citations50
US9059888B2Jun 16, 2015
MIMO-OFDM-based flexible rate intra-data center network
NEC LAB AMERICA INC0 citations42
PATEL ANKITKUMAR N
3 patentsUS8873962B2Oct 28, 2014
Method for traffic grooming, wavelength assignment and spectrum allocation
PATEL ANKITKUMAR N20 citations89
US8977123B2Mar 10, 2015
2-step-optimization procedure for routing and wavelength assignment with combined dedicated shared protections in multi-cable multi-fiber optical WDM networks
PATEL ANKITKUMAR N7 citations82
US9246627B2Jan 26, 2016
Joint optimization procedure for routing and wavelength assignment with combined dedicated shared protections in multi-cable multi-fiber optical WDM networks
PATEL ANKITKUMAR N1 citations50
PATEL ANKITKUMAR
3 patentsUS8781328B2Jul 15, 2014
Greedy channel selection procedure for the routing, wavelength assignment and spectrum allocation in the flexible optical WDM networks
PATEL ANKITKUMAR9 citations83
US8718097B2May 6, 2014
Rate selection for channel selection in flexible WDM networks
PATEL ANKITKUMAR2 citations61
US8705963B2Apr 22, 2014
K-alternate channel selection for the routing, wavelength assignment and spectrum allocation in flexible optical WDM networks
PATEL ANKITKUMAR2 citations61
JI PHILIP NAN
3 patentsUS8218977B2Jul 10, 2012
Integrated equalizer and Michelson interferometer structure for inter-symbol interference-suppressed colorless DPSK demodulation
JI PHILIP NAN2 citations61
US8064768B2Nov 22, 2011
Intra-channel equalizing optical interleaver
JI PHILIP NAN4 citations61
US8873952B2Oct 28, 2014
Variable rate optical transmitter based on all-optical OFDM super-channel technology
JI PHILIP NAN0 citations40