Inventor · disambiguated record
Yoshihisa Inada
Also filed as: INADA YOSHIHISA
42 granted patents·9 pending applications·87 citations·filing 2000–2024
96Inventor score
Top patents by PatentIndex Score
51 records- 0197US11467061B2Estimating mode field distribution in optical fibers from guided acoustic wave brillouin scatteringNEC LAB AMERICA INC·Filed 2021·Granted Oct 11, 2022·4 cites·8 claims
- 0293US11888583B2Integrated 3-way branching unit switch module having small footprintNEC LAB AMERICA INC·Filed 2021·Granted Jan 30, 2024·4 cites·7 claims
- 0393US11700067B2Three-way branching unit switch module having small footprintNEC LAB AMERICA INC·Filed 2021·Granted Jul 11, 2023·3 cites·1 claims
- 0491US12332394B2Fiber sensing using supervisory path of submarine cablesNEC LAB AMERICA INC·Filed 2022·Granted Jun 17, 2025·2 cites·1 claims
- 0587US9130679B1Polarization-switched differential ternary phase-shift keyingIP EZRA·Filed 2012·Granted Sep 8, 2015·13 cites·8 claims
- 0687US6920261B2Cross phase modulation suppressing device in wavelength division multiplexing optical transmission system and optical communication systemNEC CORP·Filed 2001·Granted Jul 19, 2005·27 cites·27 claims
- 0785US10374632B2Low density parity check coded modulation for optical communicationsNEC LAB AMERICA INC·Filed 2017·Granted Aug 6, 2019·5 cites·20 claims
- 0884US11270200B2Single-step nonlinearity compensation using artificial intelligence for digital coherent transmission systemsNEC LAB AMERICA INC·Filed 2019·Granted Mar 8, 2022·5 cites·2 claims
- 0982US10833770B2Optical fiber nonlinearity compensation using neural networksNEC LAB AMERICA INC·Filed 2019·Granted Nov 10, 2020·3 cites·10 claims
- 1081US10230483B2Optical transmission system, method for analyzing thereof, terminal station device, and management deviceNEC CORP·Filed 2016·Granted Mar 12, 2019·3 cites·9 claims
- 1178US9819530B2Constellation designs with non-gray bit mappingNEC LAB AMERICA INC·Filed 2016·Granted Nov 14, 2017·3 cites·9 claims
- 1273US11043786B2Multicore fiber amplifier with high power efficiencyNEC LAB AMERICA INC·Filed 2018·Granted Jun 22, 2021·1 cites·8 claims
- 1373US10708094B2Transmission filtering using machine learningNEC LAB AMERICA INC·Filed 2018·Granted Jul 7, 2020·2 cites·20 claims
- 1472US11095388B2Optical amplification device and light amplification methodNEC CORP·Filed 2018·Granted Aug 17, 2021·2 cites·7 claims
- 1571US10340649B2C-band and L band amplifier design with increased power efficiency and reduced complexityNEC LAB AMERICA INC·Filed 2018·Granted Jul 2, 2019·2 cites·3 claims
- 1669US11451317B2Optical transmission system, method for analyzing thereof, terminal station device, and management deviceNEC CORP·Filed 2021·Granted Sep 20, 2022·0 cites·7 claims
- 1769US9680598B2Wavelength division multiplexing optical transmission apparatus and wavelength division multiplexing optical transmission methodNEC CORP·Filed 2013·Granted Jun 13, 2017·2 cites·4 claims
- 1867US8873953B2Multiple-symbol polarization switching for differential-detection modulation formatsZHANG SHAOLIANG·Filed 2012·Granted Oct 28, 2014·3 cites·6 claims
- 1966US2024243540A1Data-driven modeling of erbium doped fiber amplifiers by neural networksNEC LAB AMERICA INC·Filed 2024·Application pending·0 cites
- 2064US11933605B2Estimating core-cladding concentricity error in optical fibers using guided acoustic-wave Brillouin scatteringNEC LAB AMERICA INC·Filed 2022·Granted Mar 19, 2024·0 cites·1 claims
- 2163US11782217B2Method for reducing GAWBS noise by reducing polarization diffusion lengthNEC LAB AMERICA INC·Filed 2022·Granted Oct 10, 2023·0 cites·2 claims
- 2263US9419744B2Polarization multiplexing optical transmitter and operation control methodNEC CORP·Filed 2013·Granted Aug 16, 2016·1 cites·7 claims
- 2359US12401503B2Hybrid quantum cryptography protocol for optical communicationsNEC LAB AMERICA INC·Filed 2023·Granted Aug 26, 2025·0 cites·7 claims
- 2459US10382138B2Constellation optimization based on generalized mutual information over a nonlinear optical channelNEC LAB AMERICA INC·Filed 2018·Granted Aug 13, 2019·1 cites·1 claims
- 2559US9337923B2Optical spectral shaping for nonlinearity enhancement in high speed digital coherent optical transmissionsNEC LAB AMERICA INC·Filed 2012·Granted May 10, 2016·1 cites·14 claims
- 2658US11082144B2Optical transmission system, method for analyzing thereof, terminal station device, and management deviceNEC CORP·Filed 2019·Granted Aug 3, 2021·0 cites·7 claims
- 2757US10401564B2Fiber nonlinearity mitigation using strong mode coupling and large modal delayNEC LAB AMERICA INC·Filed 2018·Granted Sep 3, 2019·0 cites·2 claims
- 2853US12395244B2Optical fiber exhibiting low guided acoustic Brillouin scattering (GAWBS) noise and measurement thereofNEC LAB AMERICA INC·Filed 2021·Granted Aug 19, 2025·0 cites·12 claims
- 2953US2020403383A1Semiconductor amplifier with low polariation-dependent gainNEC LAB AMERICA INC·Filed 2020·Application pending·0 cites
- 3052US10581216B23D waveguide for efficient coupling of multimode pump and signals to a multicore fiber amplifierNEC LAB AMERICA INC·Filed 2017·Granted Mar 3, 2020·0 cites·17 claims
- 3152US2021256347A1Low complexity fiber nonlinearity compensation using lookup tableNEC LAB AMERICA INC·Filed 2021·Application pending·0 cites
- 3249US12301295B2Communication system and method for controlling communication systemNEC CORP·Filed 2021·Granted May 13, 2025·0 cites·17 claims
- 3348US12034482B2Accurate measurement for guided acoustic-wave Brillouin scatteringNEC LAB AMERICA INC·Filed 2021·Granted Jul 9, 2024·0 cites·8 claims
- 3448US9077484B2Generation of polarization-alternated QPSK formatNEC LAB AMERICA INC·Filed 2013·Granted Jul 7, 2015·0 cites·7 claims
- 3547US9203519B2Pair-wise symbol correlated high receiver sensitivity modulation formatNEC LAB AMERICA INC·Filed 2013·Granted Dec 1, 2015·0 cites·16 claims
- 3645US8917998B2Polarization switching for optical fiber communicationsNEC LAB AMERICA INC·Filed 2012·Granted Dec 23, 2014·0 cites·20 claims
- 3743US9450715B2Method and system for modulation-independent carrier phase recoveryNEC LAB AMERICA INC·Filed 2015·Granted Sep 20, 2016·0 cites·20 claims
- 3843US7689082B2Optical fiber transmission line for wavelength division multiplexing signalsNEC CORP·Filed 2003·Granted Mar 30, 2010·0 cites·9 claims
- 3942US10038515B2Optical communication device, optical communication system and optical transmission methodNEC CORP·Filed 2015·Granted Jul 31, 2018·0 cites·20 claims
- 4041US9337868B2Iterative decoding for cascaded LDPC and TCM codingNEC LAB AMERICA INC·Filed 2014·Granted May 10, 2016·0 cites·10 claims
- 4140US10236989B2Data transport using pairwise optimized multi-dimensional constellation with clusteringNEC LAB AMERICA INC·Filed 2017·Granted Mar 19, 2019·0 cites·14 claims
- 4240US9813157B2Mitigation of multi-path interference from quasi-single-mode fiber using hybrid span configuration and digital signal processingNEC LAB AMERICA INC·Filed 2016·Granted Nov 7, 2017·0 cites·2 claims
- 4340US2018261971A1Bidirectional c-band and l-band optical transmission using circulatorsNEC LAB AMERICA INC·Filed 2018·Application pending·0 cites
- 4439US9722700B2Wavelength division multiplexing system and method including wavelength monitoringNEC LAB AMERICA INC·Filed 2015·Granted Aug 1, 2017·0 cites·17 claims
- 4539US8787709B2Polarization-alternating optical signal generation using CSRZ modulationYAMAN FATIH·Filed 2012·Granted Jul 22, 2014·0 cites·12 claims
- 4639US2001015845A1Optical communication receiverNEC CORP·Filed 2000·Application pending·0 cites
- 4739US2019280452A1Optical amplification device, pump light supply method and circuitNEC CORP·Filed 2017·Application pending·0 cites
- 4838US8131161B2DPSK optical receiverINADA YOSHIHISA·Filed 2008·Granted Mar 6, 2012·0 cites·4 claims
- 4938US2009202257A1Optical transmission apparatus and systemINADA YOSHIHISA·Filed 2009·Application pending·0 cites
- 5034US2017353247A1Constellation design for use in communication systemsNEC LAB AMERICA INC·Filed 2016·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →