Inventor · disambiguated record
Yasuhiro Matsui
Also filed as: MATSUI YASUHIRO
77 granted patents·26 pending applications·731 citations·filing 1990–2025
99Inventor score
Top patents by PatentIndex Score
103 records- 0196US10243322B2Surface coupled systemsFINISAR CORP·Filed 2016·Granted Mar 26, 2019·19 cites·34 claims
- 0296US10063032B2Distributed reflector laserFINISAR CORP·Filed 2017·Granted Aug 28, 2018·11 cites·19 claims
- 0395US7778295B2DBR laser with improved thermal tuning efficiencyFINISAR CORP·Filed 2008·Granted Aug 17, 2010·22 cites·17 claims
- 0494US7991291B2WDM PON based on DMLFINISAR CORP·Filed 2008·Granted Aug 2, 2011·21 cites·20 claims
- 0594US7480464B2Widely tunable, dispersion tolerant transmitterFINISAR CORP·Filed 2006·Granted Jan 20, 2009·23 cites·6 claims
- 0694US7474859B2Versatile compact transmitter for generation of advanced modulation formatsFINISAR CORP·Filed 2007·Granted Jan 6, 2009·28 cites·38 claims
- 0794US7270387B2Recording head position adjusting structure and inkjet printer provided with said adjusting structureKONICA MINOLTA HOLDINGS INC·Filed 2005·Granted Sep 18, 2007·20 cites·20 claims
- 0893US7697847B2Dispersion compensator for frequency reshaped optical signalsFINISAR CORP·Filed 2008·Granted Apr 13, 2010·26 cites·21 claims
- 0993US7406266B2Flat-topped chirp induced by optical filter edgeFINISAR CORP·Filed 2005·Granted Jul 29, 2008·25 cites·33 claims
- 1093US6784872B1Bidirectional remote control systemSHARP KK·Filed 2000·Granted Aug 31, 2004·65 cites·10 claims
- 1192US7542683B2Chirp Managed Laser (CML) transmitterFINISAR CORP·Filed 2007·Granted Jun 2, 2009·22 cites·7 claims
- 1292US7187821B2Carrier suppression using adiabatic frequency modulation (AFM)MATSUI YASUHIRO·Filed 2005·Granted Mar 6, 2007·25 cites·4 claims
- 1391US11251585B2DFB with weak optical feedbackII VI DELAWARE INC·Filed 2019·Granted Feb 15, 2022·4 cites·20 claims
- 1491US8236590B2DBR laser with improved thermal tuning efficiencyMATSUI YASUHIRO·Filed 2010·Granted Aug 7, 2012·11 cites·19 claims
- 1591US7962045B2Optical transmitter having a widely tunable directly modulated laser and periodic optical spectrum reshaping elementFINISAR CORP·Filed 2007·Granted Jun 14, 2011·15 cites·33 claims
- 1691US7860404B2Optical FM source based on intra-cavity phase and amplitude modulation in lasersFINISAR CORP·Filed 2008·Granted Dec 28, 2010·15 cites·20 claims
- 1791US7809280B2Chirp-managed, electroabsorption-modulated laserFINISAR CORP·Filed 2007·Granted Oct 5, 2010·22 cites·18 claims
- 1891US7760777B2DBR laser with improved thermal tuning efficiencyFINISAR CORP·Filed 2008·Granted Jul 20, 2010·13 cites·14 claims
- 1991US7639955B2Method and apparatus for transmitting a signal using a chirp managed laser (CML) and an optical spectrum reshaper (OSR) before an optical receiverFINISAR CORP·Filed 2006·Granted Dec 29, 2009·20 cites·8 claims
- 2091US7613401B2Optical FM source based on intra-cavity phase and amplitude modulation in lasersFINISAR CORP·Filed 2007·Granted Nov 3, 2009·21 cites·18 claims
- 2191US7564889B2Adiabatically frequency modulated sourceFINISAR CORP·Filed 2005·Granted Jul 21, 2009·20 cites·19 claims
- 2291US7536113B2Chirp managed directly modulated laser with bandwidth limiting optical spectrum reshaperFINISAR CORP·Filed 2005·Granted May 19, 2009·21 cites·8 claims
- 2390US7558488B2Reach extension by using external Bragg grating for spectral filteringFINISAR CORP·Filed 2005·Granted Jul 7, 2009·22 cites·7 claims
- 2490US7555225B2Optical system comprising an FM source and a spectral reshaping elementFINISAR CORP·Filed 2005·Granted Jun 30, 2009·20 cites·37 claims
- 2589US7609977B2Optical transmission using semiconductor optical amplifier (SOA)FINISAR CORP·Filed 2007·Granted Oct 27, 2009·16 cites·20 claims
- 2688US7869473B2Directly modulated laser with isolated modulated gain electrode for improved frequency modulationFINISAR CORP·Filed 2008·Granted Jan 11, 2011·18 cites·22 claims
- 2786US11784464B2Directly modulated laserII VI DELAWARE INC·Filed 2020·Granted Oct 10, 2023·1 cites·23 claims
- 2885US7907648B2Optical FM source based on intra-cavity phase and amplitude modulation in lasersFINISAR CORP·Filed 2008·Granted Mar 15, 2011·13 cites·19 claims
- 2983US12259561B2Spot-size converterII VI DELAWARE INC·Filed 2024·Granted Mar 25, 2025·0 cites·20 claims
- 3083US10826267B2Surface coupled systemsFINISAR CORP·Filed 2019·Granted Nov 3, 2020·2 cites·20 claims
- 3182US7406267B2Method and apparatus for transmitting a signal using thermal chirp management of a directly modulated transmitterFINISAR CORP·Filed 2004·Granted Jul 29, 2008·25 cites·47 claims
- 3282US7356264B2Chirp managed laser with electronic pre-distortionAZNA LLC·Filed 2004·Granted Apr 8, 2008·23 cites·5 claims
- 3379US11794147B2Wastewater treatment method and wastewater treatment apparatusYOKOGAWA ELECTRIC CORP·Filed 2020·Granted Oct 24, 2023·1 cites·9 claims
- 3479US7941057B2Integral phase rule for reducing dispersion errors in an adiabatically chirped amplitude modulated signalFINISAR CORP·Filed 2007·Granted May 10, 2011·7 cites·18 claims
- 3578US12494619B2DFB with weak optical feedbackII VI DELAWARE INC·Filed 2022·Granted Dec 9, 2025·0 cites·18 claims
- 3677US11233375B2Two-kappa DBR laserII VI DELAWARE INC·Filed 2019·Granted Jan 25, 2022·1 cites·20 claims
- 3777US8908734B2Directly modulated laser for PON applicationsFINISAR CORP·Filed 2013·Granted Dec 9, 2014·2 cites·20 claims
- 3876US8192761B2Granular preparation containing biguanide compoundOCHIAI YASUSHI·Filed 2006·Granted Jun 5, 2012·4 cites·23 claims
- 3974US10992104B2Dual layer grating couplerFINISAR CORP·Filed 2019·Granted Apr 27, 2021·1 cites·20 claims
- 4073US9048618B2Short gain cavity distributed bragg reflector laserFINISAR CORP·Filed 2013·Granted Jun 2, 2015·2 cites·24 claims
- 4171US12381371B2DFB+R laser structure for directly modulated laserII VI DELAWARE INC·Filed 2022·Granted Aug 5, 2025·0 cites·22 claims
- 4271US9031359B2Delay line interferometer multiplexerMATSUI YASUHIRO·Filed 2012·Granted May 12, 2015·2 cites·21 claims
- 4371US7991297B2Chirped laser with passive filter element for differential phase shift keying generationFINISAR CORP·Filed 2008·Granted Aug 2, 2011·4 cites·38 claims
- 4470US9457569B2Image formation deviceKONICA MINOLTA INC·Filed 2014·Granted Oct 4, 2016·1 cites·20 claims
- 4568US10944241B2Distributed reflector laserFINISAR CORP·Filed 2019·Granted Mar 9, 2021·0 cites·20 claims
- 4668US5728407ADie for melt-blowing apparatusJAPAN VILENE CO LTD·Filed 1996·Granted Mar 17, 1998·43 cites·6 claims
- 4767US9231367B2Co-modulation of DBR laser and integrated optical amplifierFINISAR CORP·Filed 2013·Granted Jan 5, 2016·1 cites·17 claims
- 4865US10461503B2Distributed reflector laserFINISAR CORP·Filed 2018·Granted Oct 29, 2019·0 cites·19 claims
- 4965US2025290163A1Measurement device, measurement method, and programYOKOGAWA ELECTRIC CORP·Filed 2025·Application pending·0 cites
- 5064US11921298B2Spot-size converterII VI DELAWARE INC·Filed 2020·Granted Mar 5, 2024·0 cites·21 claims
Showing the top 50 of 103 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →