Inventor · disambiguated record
Tadashi Ikeuchi
Also filed as: IKEUCHI TADASHI
81 granted patents·5 pending applications·845 citations·filing 1993–2023
99Inventor score
Top patents by PatentIndex Score
86 records- 0199US11012187B1Error correction in optical networks with probabilistic shaping and symbol rate optimizationFUJITSU LTD·Filed 2020·Granted May 18, 2021·25 cites·20 claims
- 0299US9673907B1Constellation shaping of modulation formats for optical communication systemsFUJITSU LTD·Filed 2016·Granted Jun 6, 2017·71 cites·24 claims
- 0398US10396899B1Probabilistic constellation shaping using set-partitioned M-QAMFUJITSU LTD·Filed 2018·Granted Aug 27, 2019·34 cites·20 claims
- 0498US10243688B2Reach extension of multi-carrier channels using unequal subcarrier spacingFUJITSU LTD·Filed 2017·Granted Mar 26, 2019·51 cites·14 claims
- 0597US10700807B1Fiber input power selection for probabilistically shaped signals in optical networksFUJITSU LTD·Filed 2019·Granted Jun 30, 2020·18 cites·20 claims
- 0696US10530490B1Probabilistic constellation shaping for optical networks with diverse transmission mediaFUJITSU LTD·Filed 2019·Granted Jan 7, 2020·22 cites·20 claims
- 0796US10389473B1Reach extension for optical networks through control of modulation formats and numbers of subcarriersFUJITSU LTD·Filed 2018·Granted Aug 20, 2019·21 cites·17 claims
- 0895US10511388B1Reducing variance in reach of WDM channels in an optical networkFUJITSU LTD·Filed 2018·Granted Dec 17, 2019·15 cites·17 claims
- 0994US7444085B2DQPSK optical receiver circuitFUJITSU LTD·Filed 2005·Granted Oct 28, 2008·31 cites·10 claims
- 1093US11190231B1Multiplexing of resource blocks within a communications network for dynamic service provisioningFUJITSU LTD·Filed 2020·Granted Nov 30, 2021·3 cites·16 claims
- 1193US11121797B1Optical system for compensating for signal lossFUJITSU LTD·Filed 2020·Granted Sep 14, 2021·3 cites·14 claims
- 1293US10601517B1Probabilistic shaping on eight-dimensional super-symbolsFUJITSU LTD·Filed 2019·Granted Mar 24, 2020·18 cites·12 claims
- 1393US10225008B1Systems and methods for reconfiguring an adaptive optical network when adding an optical pathFUJITSU LTD·Filed 2018·Granted Mar 5, 2019·9 cites·17 claims
- 1492US7696628B2Relay substrate and substrate assemblyFUJITSU LTD·Filed 2008·Granted Apr 13, 2010·26 cites·6 claims
- 1591US11032004B1Optical system for compensating for signal lossFUJITSU LTD·Filed 2020·Granted Jun 8, 2021·3 cites·18 claims
- 1691US10432537B2Service function chaining based on resource availability in the time dimensionFUJITSU LTD·Filed 2018·Granted Oct 1, 2019·11 cites·20 claims
- 1791US10243835B2Seamless service function chaining across domainsFUJITSU LTD·Filed 2017·Granted Mar 26, 2019·15 cites·16 claims
- 1890US7200343B2Drive control apparatus and drive control method for optical modulatorFUJITSU LTD·Filed 2002·Granted Apr 3, 2007·45 cites·26 claims
- 1990US6795656B1Optical transmission circuit using a semiconductor laserFUJITSU LTD·Filed 2000·Granted Sep 21, 2004·37 cites·33 claims
- 2089US10547563B2Efficient message forwarding for distributed resource orchestrationFUJITSU LTD·Filed 2017·Granted Jan 28, 2020·7 cites·20 claims
- 2189US8891975B2Optical receiver and optical transmitterYAGISAWA TAKATOSHI·Filed 2011·Granted Nov 18, 2014·11 cites·8 claims
- 2288US10636297B2Cooperative autonomous driving for traffic congestion avoidanceFUJITSU LTD·Filed 2018·Granted Apr 28, 2020·8 cites·20 claims
- 2388US6975813B1Light output control deviceFUJITSU LTD·Filed 2000·Granted Dec 13, 2005·27 cites·23 claims
- 2487US11395308B2Monitoring-based edge computing service with delay assuranceFUJITSU LTD·Filed 2019·Granted Jul 19, 2022·5 cites·16 claims
- 2587US11063847B2Service function chain mapping using multiple parallel microservices instancesFUJITSU LTD·Filed 2018·Granted Jul 13, 2021·6 cites·22 claims
- 2687US10348439B1Spectral slot assignment and placement of wavelength shifters in flexible grid optical networksFUJITSU LTD·Filed 2018·Granted Jul 9, 2019·6 cites·20 claims
- 2787US7734188B2Deskew device and deskew methodFUJITSU LTD·Filed 2006·Granted Jun 8, 2010·12 cites·5 claims
- 2887US7609982B2RZ-DPSK optical receiver circuitFUJITSU LTD·Filed 2005·Granted Oct 27, 2009·14 cites·10 claims
- 2985US9838123B1Nonlinear noise mitigation with spectral inversion in optical transport networksFUJITSU LTD·Filed 2016·Granted Dec 5, 2017·5 cites·18 claims
- 3085US7443279B2Coil package and bias tee packageFUJITSU LTD·Filed 2006·Granted Oct 28, 2008·14 cites·11 claims
- 3184US11562645B2Edge-accelerated artificial intelligence for collaborative sensing of physical intelligent moving objectsFUJITSU LTD·Filed 2020·Granted Jan 24, 2023·2 cites·16 claims
- 3284US9997887B1Optical phase-sensitive amplifier with fiber bragg grating phase shifterFUJITSU LTD·Filed 2017·Granted Jun 12, 2018·3 cites·18 claims
- 3384US6597485B1Optical transmitter circuitFUJITSU LTD·Filed 2000·Granted Jul 22, 2003·33 cites·17 claims
- 3482US10498102B2Optical phase-sensitive amplifier with signal noise removalFUJITSU LTD·Filed 2017·Granted Dec 3, 2019·3 cites·15 claims
- 3581US10432552B2Just-enough-time provisioning of service function chain resourcesFUJITSU LTD·Filed 2018·Granted Oct 1, 2019·3 cites·20 claims
- 3680US10116392B1Carrier suppressed multi-level pulse amplitude modulationFUJITSU LTD·Filed 2018·Granted Oct 30, 2018·3 cites·19 claims
- 3780US8283565B2Flexible substrateYAGISAWA TAKATOSHI·Filed 2008·Granted Oct 9, 2012·5 cites·12 claims
- 3880US7436056B2Electronic component packageFUJITSU LTD·Filed 2006·Granted Oct 14, 2008·9 cites·19 claims
- 3980US5563898ASemiconductor laser driveFUJITSU LTD·Filed 1995·Granted Oct 8, 1996·50 cites·16 claims
- 4079US10230661B2Distributed virtual network embeddingFUJITSU LTD·Filed 2017·Granted Mar 12, 2019·3 cites·20 claims
- 4179US10050738B1Low noise colorless, directionless, contentionless reconfigurable optical add/drop multiplexerFUJITSU LTD·Filed 2017·Granted Aug 14, 2018·3 cites·12 claims
- 4278US7264405B2Optical moduleFUJITSU LTD·Filed 2004·Granted Sep 4, 2007·19 cites·11 claims
- 4377US11011056B2Fragmentation-aware intelligent autonomous intersection management using a space-time resource modelFUJITSU LTD·Filed 2018·Granted May 18, 2021·3 cites·23 claims
- 4475US11690128B2Digital representations of physical intelligent moving objectsFUJITSU LTD·Filed 2019·Granted Jun 27, 2023·2 cites·3 claims
- 4573US10341201B2Cross-domain orchestration of switch and service functionsFUJITSU LTD·Filed 2017·Granted Jul 2, 2019·2 cites·17 claims
- 4673US7864892B2Control method and apparatus for receiving optical signalFUJITSU LTD·Filed 2006·Granted Jan 4, 2011·5 cites·13 claims
- 4771US8491316B2Connection terminal and transmission lineIKEUCHI TADASHI·Filed 2012·Granted Jul 23, 2013·6 cites·2 claims
- 4869US11265086B2Low rate loss bit-level distribution matcher for constellation shapingFUJITSU LTD·Filed 2019·Granted Mar 1, 2022·1 cites·20 claims
- 4967US10097376B2Resilient virtual optical switches over less reliable optical networksFUJITSU LTD·Filed 2017·Granted Oct 9, 2018·1 cites·20 claims
- 5067US6282216B1Burst mode optical transmitter circuitFUJITSU LTD·Filed 1999·Granted Aug 28, 2001·38 cites·36 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →