Inventor · disambiguated record
Takeshi Hoshida
Also filed as: HOSHIDA TAKESHI
181 granted patents·24 pending applications·1,365 citations·filing 2000–2023
99Inventor score
Top patents by PatentIndex Score
205 records- 0199US9419720B2Optical signal transmitterFUJITSU LTD·Filed 2015·Granted Aug 16, 2016·57 cites·3 claims
- 0298US10948802B2Wavelength converter apparatus and method of performing wavelength conversionFUJITSU LTD·Filed 2020·Granted Mar 16, 2021·10 cites·9 claims
- 0397US9686020B2Signal processing device and signal processing methodFUJITSU LTD·Filed 2015·Granted Jun 20, 2017·55 cites·3 claims
- 0497US7817923B2Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising themFUJITSU LTD·Filed 2005·Granted Oct 19, 2010·55 cites·37 claims
- 0596US8249464B2Optical receiver and method for optical receptionODA SHOICHIRO·Filed 2010·Granted Aug 21, 2012·32 cites·20 claims
- 0695US8879925B2Optical transmitter and optical transmission methodAKIYAMA YUICHI·Filed 2011·Granted Nov 4, 2014·22 cites·9 claims
- 0795US7620321B2Optical transmitting apparatus, method of increasing the number of paths of the apparatus, and optical switch module for increasing the number of paths of the apparatusFUJITSU LTD·Filed 2005·Granted Nov 17, 2009·26 cites·8 claims
- 0894US11438086B2Optical amplification in an optical networkFUJITSU LTD·Filed 2020·Granted Sep 6, 2022·4 cites·15 claims
- 0994US8526828B2Optical transmitter and optical transmitter unitNAKASHIMA HISAO·Filed 2011·Granted Sep 3, 2013·21 cites·20 claims
- 1094US8437633B2Optical network and control method thereforODA SHOICHIRO·Filed 2011·Granted May 7, 2013·31 cites·14 claims
- 1194US8406635B2Optical communication system and optical receiverNAKASHIMA HISAO·Filed 2009·Granted Mar 26, 2013·29 cites·11 claims
- 1294US8400702B2Optical modulation device and optical modulation methodTANAKA TOSHIKI·Filed 2010·Granted Mar 19, 2013·11 cites·8 claims
- 1394US7529490B2Optical receiver and optical reception method compatible with differential quadrature phase shift keyingFUJITSU LTD·Filed 2005·Granted May 5, 2009·27 cites·7 claims
- 1493US8773755B2Optical amplifier and multicore fiberNISHIHARA MASATO·Filed 2012·Granted Jul 8, 2014·15 cites·12 claims
- 1593US7477848B2Optical receiving apparatus and method for controlling the optical receiving apparatusFUJITSU LTD·Filed 2005·Granted Jan 13, 2009·26 cites·10 claims
- 1693US7099541B2Optical fiber cableFUJITSU LTD·Filed 2005·Granted Aug 29, 2006·14 cites·1 claims
- 1792US10277313B2Transmission apparatus, transmission system, and transmission control methodFUJITSU LTD·Filed 2017·Granted Apr 30, 2019·10 cites·17 claims
- 1892US9083459B2Optical transmission system, method of testing optical transmission system, and non-transitory computer-readable mediumFUJITSU LTD·Filed 2013·Granted Jul 14, 2015·10 cites·5 claims
- 1992US8014685B2Coherent optical receiverFUJITSU LTD·Filed 2007·Granted Sep 6, 2011·22 cites·5 claims
- 2092US7720392B2Differential quadrature phase-shift modulator and method for setting driving voltage thereofFUJITSU LTD·Filed 2005·Granted May 18, 2010·23 cites·26 claims
- 2192US6885499B1Optical amplifying apparatus for amplifying wide-wavelength-band light, optical sending apparatus, optical transmission system, and optical amplifying methodFUJITSU LTD·Filed 2000·Granted Apr 26, 2005·37 cites·45 claims
- 2292US6512628B1Distributed optical amplifier, amplifying method, and optical communication systemFUJITSU LTD·Filed 2000·Granted Jan 28, 2003·32 cites·8 claims
- 2391US8867927B2Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising themAKIYAMA YUICHI·Filed 2010·Granted Oct 21, 2014·7 cites·12 claims
- 2491US8649689B2Digital coherent receiving apparatusKOIZUMI NOBUKAZU·Filed 2010·Granted Feb 11, 2014·20 cites·7 claims
- 2591US8406638B2Coherent light receiving systemHOSHIDA TAKESHI·Filed 2008·Granted Mar 26, 2013·21 cites·9 claims
- 2691US7848659B2Optical transmitting apparatus and optical communication systemFUJITSU LTD·Filed 2005·Granted Dec 7, 2010·22 cites·19 claims
- 2791US7773283B2Optical modulation device and optical modulation methodFUJITSU LTD·Filed 2008·Granted Aug 10, 2010·16 cites·12 claims
- 2891US7613403B2Differential multilevel modulated optical signal receiver apparatusFUJITSU LTD·Filed 2005·Granted Nov 3, 2009·22 cites·22 claims
- 2991US6721481B2Distributed optical fiber amplifier using fiber with specific characteristic valuesFUJITSU LTD·Filed 2001·Granted Apr 13, 2004·25 cites·4 claims
- 3090US8818207B2Optical transmitterTANAKA TOSHIKI·Filed 2012·Granted Aug 26, 2014·16 cites·13 claims
- 3190US8374512B2Frequency offset monitoring device and optical coherent receiverFUJITSU LTD·Filed 2008·Granted Feb 12, 2013·17 cites·3 claims
- 3290US8116635B2Polarization multiplexing and transmitting apparatusTANIMURA TAKAHITO·Filed 2008·Granted Feb 14, 2012·17 cites·20 claims
- 3390US7907324B2Optical modulator and controlling method and apparatus thereofFUJITSU LTD·Filed 2008·Granted Mar 15, 2011·12 cites·31 claims
- 3489US8145069B2Optical transmitterTANAKA TOSHIKI·Filed 2007·Granted Mar 27, 2012·16 cites·9 claims
- 3589US7630650B2Multi-level modulation receiving deviceFUJITSU LTD·Filed 2007·Granted Dec 8, 2009·16 cites·8 claims
- 3688US8965221B2Receiver and cross phase modulation reduction methodHIRONISHI KAZUO·Filed 2012·Granted Feb 24, 2015·11 cites·13 claims
- 3788US8331805B2Digital coherent optical receiverNAKASHIMA HISAO·Filed 2010·Granted Dec 11, 2012·10 cites·10 claims
- 3888US7860394B2Optical receiver and optical reception method compatible with differential quadrature phase shift keyingFUJITSU LTD·Filed 2009·Granted Dec 28, 2010·12 cites·7 claims
- 3987US11163119B2Wavelength conversion device and method of performing wavelength conversionFUJITSU LTD·Filed 2020·Granted Nov 2, 2021·2 cites·12 claims
- 4087US9857662B2Optical frequency shift device and methodFUJITSU LTD·Filed 2017·Granted Jan 2, 2018·6 cites·5 claims
- 4187US8488975B2Optical transmitter, optical transmitter and receiver system, optical transmitting method and optical transmitting and receiving methodODA SHOICHIRO·Filed 2010·Granted Jul 16, 2013·9 cites·9 claims
- 4287US8391725B2Optical receiver for controlling wavelength of local oscillation light and local oscillation light control methodODA SHOICHIRO·Filed 2009·Granted Mar 5, 2013·14 cites·10 claims
- 4387US7606504B2Optical receiver and optical receiving method corresponding to differential M-phase shift keying systemFUJITSU LTD·Filed 2006·Granted Oct 20, 2009·15 cites·14 claims
- 4487US7602322B2Analog-to-digital conversion controller, optical receiving device, optical receiving method, and waveform-distortion compensating deviceFUJITSU LTD·Filed 2008·Granted Oct 13, 2009·11 cites·33 claims
- 4586US10419117B2Monitor device and monitor method for monitoring transmission lineFUJITSU LTD·Filed 2018·Granted Sep 17, 2019·5 cites·7 claims
- 4686US9071378B2Superimposed signal detection circuit and optical node equipmentHOSHIDA TAKESHI·Filed 2012·Granted Jun 30, 2015·7 cites·14 claims
- 4786US7689133B2Optical signal reception device and method of controlling optical signal receptionFUJITSU LTD·Filed 2006·Granted Mar 30, 2010·13 cites·8 claims
- 4886US7200344B1Receiver and method for a multichannel optical communication systemFUJITSU LTD·Filed 2001·Granted Apr 3, 2007·33 cites·14 claims
- 4985US10439732B2Receiving device and phase-error compensation methodFUJITSU LTD·Filed 2017·Granted Oct 8, 2019·5 cites·6 claims
- 5085US9281913B2Signal detection circuit and optical transmission equipmentFUJITSU LTD·Filed 2013·Granted Mar 8, 2016·5 cites·6 claims
Showing the top 50 of 205 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →