Inventor
FUJISAWA SHINSUKE
JP38 patents
⚠️ This page may combine multiple inventors who share the name “FUJISAWA SHINSUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
27 patentsUS11109123B2Aug 31, 2021
Optical network management apparatus and method of allocating optical frequency band
NEC CORP3 citations84
US10750259B2Aug 18, 2020
Optical network management apparatus and method of allocating optical frequency band
NEC CORP4 citations84
US10375460B2Aug 6, 2019
Optical network management apparatus and method of allocating optical frequency band
NEC CORP8 citations84
US11736839B2Aug 22, 2023
Optical network management apparatus and method of allocating optical frequency band
NEC CORP1 citations73
US11652546B2May 16, 2023
Optical network system, optical node device, and optical network control method
NEC CORP1 citations73
US11201668B2Dec 14, 2021
Optical network system, optical node device, and optical network control method
NEC CORP3 citations73
US11115318B2Sep 7, 2021
Optical network control devices and optical path setting method
NEC CORP2 citations73
US10715249B2Jul 14, 2020
Optical network system, optical node device, and optical network control method
NEC CORP3 citations73
US10211923B2Feb 19, 2019
Optical network system, optical node device, and optical path setting method
NEC CORP2 citations73
US10193651B2Jan 29, 2019
Optical network controller and optical network control method
NEC CORP2 citations73
US9979468B2May 22, 2018
Optical communication system, optical node device, and optical path setting method
NEC CORP4 citations73
US9819525B2Nov 14, 2017
Signal generating apparatus and signal generating method
NEC CORP5 citations73
US12289568B2Apr 29, 2025
Optical network management apparatus and method of allocating optical frequency band
NEC CORP0 citations62
US12170539B2Dec 17, 2024
Optical network system, optical node device, and optical network control method
NEC CORP0 citations62
US12095507B2Sep 17, 2024
Multi-layer network system and path setting method in multi-layer network
NEC CORP0 citations62
US11115117B2Sep 7, 2021
Submarine optical communication control device, control method, and non-transitory computer-readable medium
NEC CORP0 citations62
US10542335B2Jan 21, 2020
Optical network controller and method of setting optical path
NEC CORP1 citations62
US10230487B2Mar 12, 2019
Optical transmitter, optical communication device, optical communication system, and optical transmission method
NEC CORP1 citations62
US9473249B2Oct 18, 2016
Light transmission apparatus, light communication system, light reception apparatus, method for adjusting light transmission, method for transmitting light, and method for receiving light
NEC CORP2 citations62
US12580652B2Mar 17, 2026
Signal processing system, a de-noising method, and a non-transitory computer readable medium storing a de-noising program
NEC CORP0 citations59
US10938499B2Mar 2, 2021
Optical path controller and method of controlling optical path
NEC CORP0 citations52
US10848245B2Nov 24, 2020
Multi-layer network system and path setting method in multi-layer network
NEC CORP0 citations52
US10447419B2Oct 15, 2019
Optical node device, optical network controller, and optical network control method
NEC CORP0 citations52
US11212027B2Dec 28, 2021
Optical path setting device, optical communication system, and optical path setting method
NEC CORP0 citations51
US12052055B2Jul 30, 2024
Method of equalizing waveform distortion, terminal device, and optical communication system
NEC CORP0 citations50
US10848262B2Nov 24, 2020
Optical path design apparatus and optical path design method
NEC CORP0 citations42
US10382135B2Aug 13, 2019
Optical node device, optical network controller, and optical network control method
NEC CORP0 citations42
NEC LAB AMERICA INC
8 patentsUS11920975B2Mar 5, 2024
Repeater design for distributed acoustic sensing on multispan fiber links
NEC LAB AMERICA INC5 citations75
US11888583B2Jan 30, 2024
Integrated 3-way branching unit switch module having small footprint
NEC LAB AMERICA INC4 citations72
US11467061B2Oct 11, 2022
Estimating mode field distribution in optical fibers from guided acoustic wave brillouin scattering
NEC LAB AMERICA INC4 citations72
US11700067B2Jul 11, 2023
Three-way branching unit switch module having small footprint
NEC LAB AMERICA INC3 citations71
US11782217B2Oct 10, 2023
Method for reducing GAWBS noise by reducing polarization diffusion length
NEC LAB AMERICA INC0 citations59
US12395244B2Aug 19, 2025
Optical fiber exhibiting low guided acoustic Brillouin scattering (GAWBS) noise and measurement thereof
NEC LAB AMERICA INC0 citations51
US12034482B2Jul 9, 2024
Accurate measurement for guided acoustic-wave Brillouin scattering
NEC LAB AMERICA INC0 citations51
US11933605B2Mar 19, 2024
Estimating core-cladding concentricity error in optical fibers using guided acoustic-wave Brillouin scattering
NEC LAB AMERICA INC0 citations51