Inventor · disambiguated record
Kazuo Hironishi
Also filed as: HIRONISHI KAZUO
21 granted patents·1 pending application·233 citations·filing 1996–2016
94Inventor score
Top patents by PatentIndex Score
22 records- 0193US6477300B2Method, device, and system for waveform shaping of signal lightFUJITSU LTD·Filed 2001·Granted Nov 5, 2002·41 cites·31 claims
- 0291US7613403B2Differential multilevel modulated optical signal receiver apparatusFUJITSU LTD·Filed 2005·Granted Nov 3, 2009·22 cites·22 claims
- 0389US9768907B2Optical transmission apparatus and wavelength calibration methodFUJITSU LTD·Filed 2015·Granted Sep 19, 2017·8 cites·14 claims
- 0488US8965221B2Receiver and cross phase modulation reduction methodHIRONISHI KAZUO·Filed 2012·Granted Feb 24, 2015·11 cites·13 claims
- 0585US9281913B2Signal detection circuit and optical transmission equipmentFUJITSU LTD·Filed 2013·Granted Mar 8, 2016·5 cites·6 claims
- 0684US7631378B2Optical waveform shaperFUJITSU LTD·Filed 2005·Granted Dec 15, 2009·8 cites·23 claims
- 0784US6778730B2Optical signal processing deviceFUJITSU LTD·Filed 2001·Granted Aug 17, 2004·22 cites·11 claims
- 0875US5805320ACross-connect deviceFUJITSU LTD·Filed 1996·Granted Sep 8, 1998·49 cites·9 claims
- 0974US8886057B2Optical receiver, signal processor, and optical receiving methodHIRONISHI KAZUO·Filed 2011·Granted Nov 11, 2014·4 cites·11 claims
- 1074US7751721B2Optical DQPSK receiver apparatusFUJITSU LTD·Filed 2006·Granted Jul 6, 2010·5 cites·14 claims
- 1169US6072610AOptical transmission systemFUJITSU LTD·Filed 1997·Granted Jun 6, 2000·33 cites·29 claims
- 1267US7706695B2Optical DQPSK receiver apparatusFUJITSU LTD·Filed 2006·Granted Apr 27, 2010·3 cites·19 claims
- 1366US7535616B2Polarization controlling apparatus and polarization operation apparatusFUJITSU LTD·Filed 2006·Granted May 19, 2009·2 cites·17 claims
- 1464US9503211B2Signal detection circuit and optical transmission equipmentFUJITSU LTD·Filed 2016·Granted Nov 22, 2016·1 cites·4 claims
- 1560US7123403B2Optical signal-to-noise ratio improving deviceFUJITSU LTD·Filed 2005·Granted Oct 17, 2006·2 cites·14 claims
- 1653US8509628B2Differential multilevel modulated optical signal receiver apparatusHIRONISHI KAZUO·Filed 2009·Granted Aug 13, 2013·0 cites·3 claims
- 1751US9154233B2Frequency modulation signal demodulator and light receiving apparatusFUJITSU LTD·Filed 2014·Granted Oct 6, 2015·0 cites·7 claims
- 1849US6256137B1Wavelength converterFUJITSU LTD·Filed 1998·Granted Jul 3, 2001·17 cites·34 claims
- 1947US7212334B2Optical signal-to-noise ratio improving deviceFUJITSU LTD·Filed 2006·Granted May 1, 2007·0 cites·5 claims
- 2046US9054814B2Front end device and superposing signal detecting deviceFUJITSU LTD·Filed 2013·Granted Jun 9, 2015·0 cites·15 claims
- 2145US2008158644A1Polarization scrambler apparatus, transmission apparatus, repeating installation and polarization scrambler methodFUJITSU LTD·Filed 2007·Application pending·0 cites
- 2243US9549233B2Transmission device and optical network systemFUJITSU LTD·Filed 2015·Granted Jan 17, 2017·0 cites·11 claims
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