Inventor · disambiguated record
Toru Katagiri
Also filed as: KATAGIRI TORU
68 granted patents·13 pending applications·202 citations·filing 2001–2021
98Inventor score
Top patents by PatentIndex Score
81 records- 0195US7826741B2Optical network systemFUJITSU LTD·Filed 2007·Granted Nov 2, 2010·23 cites·5 claims
- 0289US8891712B2Transmitting apparatus and transmitting methodFUJITSU LTD·Filed 2013·Granted Nov 18, 2014·10 cites·12 claims
- 0389US8380077B2Chromatic dispersion compensation design system and chromatic dispersion compensation design methodFUJITSU LTD·Filed 2009·Granted Feb 19, 2013·15 cites·10 claims
- 0487US7664397B2Optical network systemFUJITSU LTD·Filed 2005·Granted Feb 16, 2010·13 cites·21 claims
- 0586US7689133B2Optical signal reception device and method of controlling optical signal receptionFUJITSU LTD·Filed 2006·Granted Mar 30, 2010·13 cites·8 claims
- 0684US7830789B2Method for accommodating signal paths to ring networkFUJITSU LTD·Filed 2008·Granted Nov 9, 2010·9 cites·9 claims
- 0783US8249108B2Frame generating methodKATAGIRI TORU·Filed 2009·Granted Aug 21, 2012·8 cites·15 claims
- 0883US7751345B2Optical network design method and storage medium for storing design programFUJITSU LTD·Filed 2007·Granted Jul 6, 2010·9 cites·16 claims
- 0983US7555061B2Optical communication deviceFUJITSU LTD·Filed 2005·Granted Jun 30, 2009·10 cites·6 claims
- 1078US6741811B2Optical cross-connect device and system having the deviceFUJITSU LTD·Filed 2001·Granted May 25, 2004·14 cites·7 claims
- 1177US8625996B2Optical transmitter, optical transmission method, and wavelength-selective variable delayerTANAKA TOSHIKI·Filed 2007·Granted Jan 7, 2014·6 cites·10 claims
- 1276US8351795B2Optical transmission system and optical transmission methodFUJITSU LTD·Filed 2008·Granted Jan 8, 2013·5 cites·10 claims
- 1374US7813640B2Optical connection switching apparatus and management control unit thereofFUJITSU LTD·Filed 2005·Granted Oct 12, 2010·5 cites·29 claims
- 1473US7864892B2Control method and apparatus for receiving optical signalFUJITSU LTD·Filed 2006·Granted Jan 4, 2011·5 cites·13 claims
- 1571US8675684B2Frame generating apparatus and frame generating methodKATAGIRI TORU·Filed 2010·Granted Mar 18, 2014·2 cites·18 claims
- 1671US8270829B2Apparatus and method for designing networkHASHIGUCHI TOMOHIRO·Filed 2009·Granted Sep 18, 2012·4 cites·13 claims
- 1768US8005373B2Optical signal reception device and method of controlling optical signal receptionFUJITSU LTD·Filed 2010·Granted Aug 23, 2011·2 cites·6 claims
- 1867US8665738B2Transmission apparatus and signal transmission methodKATAGIRI TORU·Filed 2011·Granted Mar 4, 2014·2 cites·4 claims
- 1966US8345538B2Apparatus and method for finding a pair of disjoint paths in a communication networkFUJITSU LTD·Filed 2010·Granted Jan 1, 2013·2 cites·15 claims
- 2066US7761006B2Method for designing optical network, and computer readable mediumFUJITSU LTD·Filed 2007·Granted Jul 20, 2010·3 cites·17 claims
- 2166US2022043920A1Blockchain-based secure federated learningFUJITSU LTD·Filed 2021·Application pending·0 cites
- 2266US2022044162A1Blockchain-based secure federated learningFUJITSU LTD·Filed 2021·Application pending·0 cites
- 2365US9241203B2Apparatus for controlling a transmission pathFUJITSU LTD·Filed 2014·Granted Jan 19, 2016·1 cites·12 claims
- 2464US10459846B2Memory system which uses a host memoryTOSHIBA MEMORY CORP·Filed 2016·Granted Oct 29, 2019·1 cites·18 claims
- 2564US7433600B2Optical node device and system including the deviceFUJITSU LTD·Filed 2001·Granted Oct 7, 2008·6 cites·14 claims
- 2663US7200333B2Optical communication apparatus, system, and method that properly compensate for chromatic dispersionFUJITSU LTD·Filed 2001·Granted Apr 3, 2007·7 cites·31 claims
- 2762US9264283B2Method of accommodating signals, frame generation apparatus, frame reception apparatus, and transmission systemFUJITSU LTD·Filed 2013·Granted Feb 16, 2016·1 cites·17 claims
- 2862US8275259B2Method for determining value of chromatic dispersion compensationKATAGIRI TORU·Filed 2009·Granted Sep 25, 2012·2 cites·16 claims
- 2962US7660527B2Optical network design methodFUJITSU LTD·Filed 2006·Granted Feb 9, 2010·2 cites·11 claims
- 3061US8121481B2Chromatic dispersion compensation designing method in optical network and a system thereofKATAGIRI TORU·Filed 2009·Granted Feb 21, 2012·2 cites·20 claims
- 3161US8068732B2Network design apparatus and network design methodHASHIGUCHI TOMOHIRO·Filed 2009·Granted Nov 29, 2011·2 cites·18 claims
- 3260US7062173B2Optical device and wavelength division multiplexing communication system using sameFUJITSU LTD·Filed 2001·Granted Jun 13, 2006·6 cites·18 claims
- 3359US8078701B2Network design and determination of the arrangement of optical transmission devices in respective network stationsHASHIGUCHI TOMOHIRO·Filed 2008·Granted Dec 13, 2011·2 cites·14 claims
- 3458US11336305B2Memory systemKIOXIA CORP·Filed 2020·Granted May 17, 2022·0 cites·8 claims
- 3558US8000595B2Optical receiver, optical communication device, and optical signal receiving methodFUJITSU LTD·Filed 2008·Granted Aug 16, 2011·1 cites·14 claims
- 3657US9729261B2Transmission apparatusFUJITSU LTD·Filed 2015·Granted Aug 8, 2017·1 cites·4 claims
- 3757US6643422B2Optical switch changeover controlling method, optical node device and optical switch systemFUJITSU LTD·Filed 2001·Granted Nov 4, 2003·3 cites·11 claims
- 3856USRE48932EFrame generating apparatus and frame generating methodFUJITSU LTD·Filed 2018·Granted Feb 15, 2022·0 cites·22 claims
- 3954US10848840B2Communication apparatus and signal relay methodFUJITSU LTD·Filed 2019·Granted Nov 24, 2020·0 cites·8 claims
- 4053US10763897B2Memory systemTOSHIBA MEMORY CORP·Filed 2018·Granted Sep 1, 2020·0 cites·13 claims
- 4152USRE47127EFrame generating apparatus and frame generating methodFUJITSU LTD·Filed 2016·Granted Nov 13, 2018·0 cites·18 claims
- 4251US11487477B2Memory system and method of fetching commandKIOXIA CORP·Filed 2021·Granted Nov 1, 2022·0 cites·14 claims
- 4351US10305588B2Network management device and network management methodFUJITSU LTD·Filed 2017·Granted May 28, 2019·0 cites·20 claims
- 4451US7400830B2Quality monitoring method and apparatus for wavelength division multiplexed optical signal and optical transmission system using the sameFUJITSU LTD·Filed 2004·Granted Jul 15, 2008·2 cites·18 claims
- 4551US7146066B2Wavelength division multiplexing optical transmission systemFUJITSU LTD·Filed 2004·Granted Dec 5, 2006·2 cites·11 claims
- 4650US9191137B2Transmission apparatus, reception apparatus, transmission method, and reception methodFUJITSU LTD·Filed 2012·Granted Nov 17, 2015·0 cites·16 claims
- 4750US9066163B2Optical transmission device including a bit rate adjustment functionFUJITSU LTD·Filed 2013·Granted Jun 23, 2015·0 cites·8 claims
- 4850US8306439B2Communication apparatus and signal reception methodKUWATA NAOKI·Filed 2009·Granted Nov 6, 2012·0 cites·17 claims
- 4950US7471902B2Wavelength allocation method of signal light, and optical transmission apparatus and wavelength division multiplexing optical transmission system using the methodFUJITSU LTD·Filed 2003·Granted Dec 30, 2008·1 cites·10 claims
- 5048US8824507B2Transmitting apparatus and signal transmitting methodHONMA HIROYUKI·Filed 2012·Granted Sep 2, 2014·0 cites·11 claims
Showing the top 50 of 81 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →