Inventor · disambiguated record
Takao Naito
Also filed as: NAITO TAKAO
135 granted patents·27 pending applications·1,920 citations·filing 1982–2018
99Inventor score
Files withFUJITSU LTD89MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22FUJI XEROX CO LTD5KIM INWOONG4AKASAKA YOUICHI3
Top patents by PatentIndex Score
162 records- 0194US8107815B2System and method for communicating wireless data utilizing a passive optical networkAKASAKA YOUICHI·Filed 2008·Granted Jan 31, 2012·35 cites·25 claims
- 0293US6882466B1Optical amplifierFUJITSU LTD·Filed 2000·Granted Apr 19, 2005·46 cites·31 claims
- 0393US4418765APower-driven screwdriver with a torque controlMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Dec 6, 1983·65 cites·6 claims
- 0491US5479854AAutomatic squeegee angle and pressure adjusting meansMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jan 2, 1996·79 cites·2 claims
- 0590US6639715B2Raman amplifier and optical transmission system using the amplifierFUJITSU LTD·Filed 2001·Granted Oct 28, 2003·31 cites·26 claims
- 0689US8335438B2Estimating frequency offset using a feedback loopKIM INWOONG·Filed 2009·Granted Dec 18, 2012·15 cites·20 claims
- 0789US5841557AMethod and apparatus for scrambling the polarization of signal lights forming a wavelength division multiplexed signal lightFUJITSU LTD·Filed 1996·Granted Nov 24, 1998·106 cites·42 claims
- 0888US8299816B2Data processing apparatusYAMADA KAZUO·Filed 2010·Granted Oct 30, 2012·9 cites·5 claims
- 0988US7603036B2System and method for managing network components in a hybrid passive optical networkFUJITSU LTD·Filed 2006·Granted Oct 13, 2009·13 cites·18 claims
- 1088US5493969AScreen printing apparatus and screen printing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Feb 27, 1996·32 cites·4 claims
- 1187US7664397B2Optical network systemFUJITSU LTD·Filed 2005·Granted Feb 16, 2010·13 cites·21 claims
- 1286US8892424B2Audio analysis terminal and system for emotion estimation of a conversation that discriminates utterance of a user and another personHARADA HARUO·Filed 2012·Granted Nov 18, 2014·11 cites·19 claims
- 1386US8144626B2Determining disjoint paths with an optimized number of regeneratorsZHANG QIONG·Filed 2009·Granted Mar 27, 2012·14 cites·21 claims
- 1486US6036994AScreen printing method and apparatus thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 14, 2000·30 cites·9 claims
- 1585US8750127B2Systems and methods for multi-domain routingZHANG QIONG·Filed 2010·Granted Jun 10, 2014·11 cites·16 claims
- 1685US5877879AWavelength division multiplexing optical transmission system and optical transmitting device used in the transmission systemFUJITSU LTD·Filed 1996·Granted Mar 2, 1999·73 cites·16 claims
- 1784US7912378B2Modulating a signal using a fractional phase modulatorFUJITSU LTD·Filed 2007·Granted Mar 22, 2011·12 cites·23 claims
- 1884US7693425B2Method and system for compensating for optical dispersion in an optical signal in a hybrid optical networkFUJITSU LTD·Filed 2007·Granted Apr 6, 2010·10 cites·21 claims
- 1984US6738181B1Optical sending apparatus and channel extension methodFUJITSU LTD·Filed 2000·Granted May 18, 2004·28 cites·47 claims
- 2083US6681082B1Wavelength division multiplexing optical transmission system, optical amplifier and dispersion compensatorFUJITSU LTD·Filed 2000·Granted Jan 20, 2004·26 cites·21 claims
- 2183US6671083B2Raman amplifier and optical transmission systemFUJITSU LTD·Filed 2002·Granted Dec 30, 2003·20 cites·22 claims
- 2283US5730051AApparatus and method for centering a printing screen over an objectMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Mar 24, 1998·57 cites·5 claims
- 2382US8447182B2Multi-wavelength transponder with wavelength division multiplexing modulesBOUDA MARTIN·Filed 2010·Granted May 21, 2013·6 cites·22 claims
- 2482US6930823B2Optical transmission method and optical transmission system utilizing Raman amplificationFUJITSU LTD·Filed 2001·Granted Aug 16, 2005·24 cites·27 claims
- 2582US6427043B1Wavelength dispersion compensating method and optical transmission systemFUJITSU LTD·Filed 2000·Granted Jul 30, 2002·23 cites·14 claims
- 2682US6237490B1Screen printing method and screen printing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 29, 2001·44 cites·15 claims
- 2782US4965858APolarization diversity optical receiver for coherent optical communicationFUJITSU LTD·Filed 1989·Granted Oct 23, 1990·57 cites·39 claims
- 2881US7668466B2Free space demodulator for demodulating a signalFUJITSU LTD·Filed 2006·Granted Feb 23, 2010·7 cites·20 claims
- 2980US8587793B2Print image processing apparatus and computer readable mediumNAITO TAKAO·Filed 2010·Granted Nov 19, 2013·6 cites·10 claims
- 3080US7546036B2Hybrid passive optical network using shared wavelengthsFUJITSU LTD·Filed 2006·Granted Jun 9, 2009·7 cites·27 claims
- 3179US8467690B2Method and system for cancellation of chromatic dispersion combined laser phase noiseKIM INWOONG·Filed 2010·Granted Jun 18, 2013·5 cites·12 claims
- 3279US5052051AHeterodyne receiver for coherent optical communicationFUJITSU LTD·Filed 1989·Granted Sep 24, 1991·49 cites·33 claims
- 3378US5115332AReceiver for coherent optical communicationFUJITSU LTD·Filed 1990·Granted May 19, 1992·67 cites·35 claims
- 3477US7920792B2System and method for managing communication in a hybrid passive optical networkFUJITSU LTD·Filed 2007·Granted Apr 5, 2011·6 cites·28 claims
- 3577US7539360B2Monitoring modulator bias using photon absorptionFUJITSU LTD·Filed 2005·Granted May 26, 2009·4 cites·15 claims
- 3676US8681634B2Systems and methods for determining protection paths in a multi-domain networkZHANG QIONG·Filed 2010·Granted Mar 25, 2014·5 cites·19 claims
- 3775US7715719B2System and method for transmitting traffic in a plurality of passive optical networksFUJITSU LTD·Filed 2007·Granted May 11, 2010·5 cites·14 claims
- 3875US6630517B2Process for hydrolyzing and recycling a polyurethaneKOBE STEEL LTD·Filed 1998·Granted Oct 7, 2003·17 cites·21 claims
- 3974US7860402B2Modulating a signal according to 2n-PSK modulationFUJITSU LTD·Filed 2007·Granted Dec 28, 2010·5 cites·20 claims
- 4074US7813640B2Optical connection switching apparatus and management control unit thereofFUJITSU LTD·Filed 2005·Granted Oct 12, 2010·5 cites·29 claims
- 4174US7684706B2System and method for traffic distribution in an optical networkFUJITSU LTD·Filed 2006·Granted Mar 23, 2010·5 cites·8 claims
- 4274US6034812AGain equalizer and optical transmission system having the gain equalizerFUJITSU LTD·Filed 1998·Granted Mar 7, 2000·37 cites·21 claims
- 4373US6324317B1Wavelength division multiplexing optical transmission systemFUJITSU LTD·Filed 1999·Granted Nov 27, 2001·45 cites·25 claims
- 4472US8369442B2Communicating a signal according to ASK modulation and PSK modulationFUJITSU LTD·Filed 2007·Granted Feb 5, 2013·4 cites·17 claims
- 4572US6814804B2Apparatus and method for printing solder pasteMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 9, 2004·14 cites·15 claims
- 4671US9941994B2Wavelength shift elimination during spectral inversion in optical networksFUJITSU LTD·Filed 2015·Granted Apr 10, 2018·2 cites·9 claims
- 4771US8488979B2Multi-level polarization multi-level phase modulatorKIM INWOONG·Filed 2009·Granted Jul 16, 2013·4 cites·18 claims
- 4870US10094731B2Standing position evaluation apparatus, standing position evaluation method, and non-transitory computer readable mediumFUJI XEROX CO LTD·Filed 2016·Granted Oct 9, 2018·1 cites·18 claims
- 4970US7949256B2Method and system for increasing downstream bandwidth in an optical networkFUJITSU LTD·Filed 2007·Granted May 24, 2011·3 cites·20 claims
- 5070US6831777B2Optical transmission system and methodFUJITSU LTD·Filed 2001·Granted Dec 14, 2004·11 cites·7 claims
Showing the top 50 of 162 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →