Inventor · disambiguated record
Toshiki Tanaka
Also filed as: ONODA SEIICHI · SUGANUMA TSUNEO · SUMI MASAO · TANAKA TOSHIKI
119 granted patents·14 pending applications·1,551 citations·filing 1975–2025
99Inventor score
Files withFUJITSU LTD58TANAKA TOSHIKI12HITACHI LTD10MITSUBISHI ELECTRIC CORP9MURATA MANUFACTURING CO5
Top patents by PatentIndex Score
133 records- 0197US8412047B2Polarization multiplexed light transmitter and control method thereofTANAKA TOSHIKI·Filed 2009·Granted Apr 2, 2013·57 cites·7 claims
- 0297US4975906ANetwork systemHITACHI LTD·Filed 1989·Granted Dec 4, 1990·217 cites·12 claims
- 0394US8582981B2Optical transmitter and control method thereforAKIYAMA YUICHI·Filed 2008·Granted Nov 12, 2013·28 cites·13 claims
- 0494US8565616B2Polarized-wave-multiplexing optical transmitter and control method of polarized-wave-multiplexed optical signalTANAKA TOSHIKI·Filed 2011·Granted Oct 22, 2013·13 cites·8 claims
- 0594US8398964B2Organopolysiloxane having amide group, and cosmetic material containing sameKAMEI MASANAO·Filed 2010·Granted Mar 19, 2013·12 cites·15 claims
- 0694US8400702B2Optical modulation device and optical modulation methodTANAKA TOSHIKI·Filed 2010·Granted Mar 19, 2013·11 cites·8 claims
- 0793US10952089B2Communication systemMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Mar 16, 2021·6 cites·2 claims
- 0893US9467229B2Multilevel intensity modulation and demodulation system and methodFUJITSU LTD·Filed 2015·Granted Oct 11, 2016·12 cites·12 claims
- 0993US8666252B2Optical network systemNISHIHARA MASATO·Filed 2012·Granted Mar 4, 2014·13 cites·8 claims
- 1091US8965202B2Optical power monitor, optical power control system and optical power monitor methodFUJITSU LTD·Filed 2012·Granted Feb 24, 2015·10 cites·12 claims
- 1191US8855498B2Skew suppression method and optical transmission systemTANAKA TOSHIKI·Filed 2012·Granted Oct 7, 2014·12 cites·8 claims
- 1291US8670680B2Optical receiver and optical receiving methodTANAKA TOSHIKI·Filed 2011·Granted Mar 11, 2014·12 cites·9 claims
- 1391US7840141B2Differential M phase-shift modulatorFUJITSU LTD·Filed 2007·Granted Nov 23, 2010·13 cites·14 claims
- 1491US7773283B2Optical modulation device and optical modulation methodFUJITSU LTD·Filed 2008·Granted Aug 10, 2010·16 cites·12 claims
- 1591US4184744AOptical fiberHITACHI CABLE·Filed 1976·Granted Jan 22, 1980·69 cites·4 claims
- 1690US8818207B2Optical transmitterTANAKA TOSHIKI·Filed 2012·Granted Aug 26, 2014·16 cites·13 claims
- 1790US6639715B2Raman amplifier and optical transmission system using the amplifierFUJITSU LTD·Filed 2001·Granted Oct 28, 2003·31 cites·26 claims
- 1889US8145069B2Optical transmitterTANAKA TOSHIKI·Filed 2007·Granted Mar 27, 2012·16 cites·9 claims
- 1986US9923640B2Transmission apparatus and transmission systemFUJITSU LTD·Filed 2016·Granted Mar 20, 2018·5 cites·15 claims
- 2086US5144622ANetwork systemHITACHI LTD·Filed 1990·Granted Sep 1, 1992·137 cites·29 claims
- 2185US4030809AOptical connectorHITACHI LTD·Filed 1975·Granted Jun 21, 1977·51 cites·5 claims
- 2284US8145071B2Electrical-dispersion compensating apparatus, optical receiving apparatus, and optical receiving methodTANAKA TOSHIKI·Filed 2008·Granted Mar 27, 2012·10 cites·15 claims
- 2384US7734175B2Network configuring apparatusFUJITSU LTD·Filed 2006·Granted Jun 8, 2010·15 cites·27 claims
- 2483US9318260B2Capacitor-mounted structure and capacitorMURATA MANUFACTURING CO·Filed 2014·Granted Apr 19, 2016·4 cites·20 claims
- 2583US8145072B2DQPSK optical receiverAKIYAMA YUICHI·Filed 2008·Granted Mar 27, 2012·8 cites·3 claims
- 2683US7771709B2Alternating copolymer of organopolysiloxane with grycerol derivative and a cosmetic comprising the sameSHINETSU CHEMICAL CO·Filed 2004·Granted Aug 10, 2010·14 cites·11 claims
- 2783US6681082B1Wavelength division multiplexing optical transmission system, optical amplifier and dispersion compensatorFUJITSU LTD·Filed 2000·Granted Jan 20, 2004·26 cites·21 claims
- 2883US6671083B2Raman amplifier and optical transmission systemFUJITSU LTD·Filed 2002·Granted Dec 30, 2003·20 cites·22 claims
- 2982US9876601B2Optical transmission system, controller for wavelength tunable filter, and control method of wavelength tunable filterFUJITSU LTD·Filed 2016·Granted Jan 23, 2018·4 cites·20 claims
- 3082US9380733B2Cooling device and power module equipped with cooling deviceNAGATA YUICHI·Filed 2013·Granted Jun 28, 2016·7 cites·5 claims
- 3182US6930823B2Optical transmission method and optical transmission system utilizing Raman amplificationFUJITSU LTD·Filed 2001·Granted Aug 16, 2005·24 cites·27 claims
- 3281US12273759B2Communication system, base station and communication terminal deviceMITSUBISHI ELECTRIC CORP·Filed 2023·Granted Apr 8, 2025·0 cites·3 claims
- 3381US9634796B2Optical transmission device and optical transmission systemFUJITSU LTD·Filed 2015·Granted Apr 25, 2017·4 cites·10 claims
- 3481US9258060B2Method and apparatus for compensating nonlinear distortions in intensity modulation-direct detection systemFUJITSU LTD·Filed 2013·Granted Feb 9, 2016·6 cites·13 claims
- 3581US8733531B2Banknote handling apparatus and banknote handling methodIWAMURA MICHIHARU·Filed 2011·Granted May 27, 2014·5 cites·11 claims
- 3680US9853728B2Method for determining numbers of bits allocated to subcarriers and optical transmission systemFUJITSU LTD·Filed 2016·Granted Dec 26, 2017·3 cites·7 claims
- 3780US5111323AOptical switching systemHITACHI LTD·Filed 1989·Granted May 5, 1992·50 cites·9 claims
- 3879US8731411B2Polarization fluctuation compensation device and optical communication systemODA SHOICHIRO·Filed 2011·Granted May 20, 2014·5 cites·13 claims
- 3979US2025203438A1Communication system, base station and user apparatusMITSUBISHI ELECTRIC CORP·Filed 2025·Application pending·0 cites
- 4078US9589409B2Banknote handling apparatus and banknote handling methodGLORY KOGYO KK·Filed 2015·Granted Mar 7, 2017·3 cites·15 claims
- 4178US4601535AOptical coupling system with intermediate coupling mediumHITACHI LTD·Filed 1985·Granted Jul 22, 1986·38 cites·4 claims
- 4278US4185890AOptical transmission lineHITACHI LTD·Filed 1976·Granted Jan 29, 1980·32 cites·7 claims
- 4377US9425897B2Transmission apparatus, transmission system, and transmission methodFUJITSU LTD·Filed 2014·Granted Aug 23, 2016·3 cites·12 claims
- 4477US8625996B2Optical transmitter, optical transmission method, and wavelength-selective variable delayerTANAKA TOSHIKI·Filed 2007·Granted Jan 7, 2014·6 cites·10 claims
- 4576US6444598B1Insulator composition, insulator paste and laminated electronic partMURATA MANUFACTURING CO·Filed 2000·Granted Sep 3, 2002·14 cites·16 claims
- 4675US5103447AHigh-speed ring LAN systemHITACHI LTD·Filed 1989·Granted Apr 7, 1992·49 cites·27 claims
- 4774US9998230B2Optical transmitter, optical communication system, and optical transmission/reception control methodFUJITSU LTD·Filed 2017·Granted Jun 12, 2018·2 cites·7 claims
- 4874US9749055B2Optical transmitter and optical transmission methodFUJITSU LTD·Filed 2014·Granted Aug 29, 2017·3 cites·11 claims
- 4974US7813640B2Optical connection switching apparatus and management control unit thereofFUJITSU LTD·Filed 2005·Granted Oct 12, 2010·5 cites·29 claims
- 5074US4337995ASwitch for optical transmission linesHITACHI LTD·Filed 1979·Granted Jul 6, 1982·26 cites·13 claims
Showing the top 50 of 133 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →