Inventor · disambiguated record
Toshihiro Ohtani
Also filed as: OHTANI TOSHIHIRO
37 granted patents·10 pending applications·439 citations·filing 1989–2021
97Inventor score
Top patents by PatentIndex Score
47 records- 0187US8676054B2Optical transmission receiver and method for the sameSUZUKI YUICHI·Filed 2010·Granted Mar 18, 2014·9 cites·14 claims
- 0286US6532102B2Optical amplifierFUJITSU LTD·Filed 2001·Granted Mar 11, 2003·33 cites·12 claims
- 0385US4984881ARotation supporting device of a polygon mirrorEBARA CORP·Filed 1989·Granted Jan 15, 1991·63 cites·12 claims
- 0484US4998033AGas dynamic bearing for spindle motorEBARA CORP·Filed 1990·Granted Mar 5, 1991·63 cites·28 claims
- 0582US7813647B2Chromatic dispersion compensation control method and apparatusFUJITSU LTD·Filed 2007·Granted Oct 12, 2010·9 cites·20 claims
- 0678US6109108AElectromagnetic acoustic transducer EMAT and inspection system with EMAREBARA CORP·Filed 1997·Granted Aug 29, 2000·56 cites·22 claims
- 0777US10416407B2Optical communications device having a plate-shaped flexible printed circuit with metallic patternFUJITSU OPTICAL COMPONENTS LTD·Filed 2018·Granted Sep 17, 2019·2 cites·11 claims
- 0877US7251072B2Optical transmission systemFUJITSU LTD·Filed 2003·Granted Jul 31, 2007·13 cites·34 claims
- 0974US8259390B2Optical amplifier apparatusHOSHI RYUTA·Filed 2009·Granted Sep 4, 2012·8 cites·4 claims
- 1073US7324189B2Light power adjusting method, optical transmitter, and optical receiverFUJITSU LTD·Filed 2006·Granted Jan 29, 2008·5 cites·15 claims
- 1171US9544087B2Amplifying device, receiving device, and amplification methodFUJITSU LTD·Filed 2015·Granted Jan 10, 2017·2 cites·12 claims
- 1271US9154227B2Port monitoring device and port monitoring methodFUJITSU LTD·Filed 2014·Granted Oct 6, 2015·2 cites·5 claims
- 1369US8995828B2Optical transmission device, optical transmission system and optical transmission methodSUZUKI YUICHI·Filed 2011·Granted Mar 31, 2015·2 cites·11 claims
- 1469US6839640B2Method and apparatus for diagnosing damages of conductive materialsEBARA CORP·Filed 2002·Granted Jan 4, 2005·8 cites·5 claims
- 1569US6674567B2Raman excitation control method and optical transmission system using the sameFUJITSU LTD·Filed 2001·Granted Jan 6, 2004·9 cites·18 claims
- 1667US6621620B2Optical amplification system using Raman amplificationFUJITSU LTD·Filed 2001·Granted Sep 16, 2003·8 cites·19 claims
- 1766US8326160B2Dispersion compensation device, optical reception device, method for dispersion compensation, and method for optical receptionMURAKAMI MAKOTO·Filed 2010·Granted Dec 4, 2012·2 cites·12 claims
- 1865US7519300B2Optical output control method for use in optical transmission node and optical output control apparatus for use in the sameFUJITSU LTD·Filed 2004·Granted Apr 14, 2009·8 cites·38 claims
- 1964US8571414B2Optical transmission device, transmission and reception module, optical transmission system, and wavelength dispersion compensation method in optical transmission deviceOHTANI TOSHIHIRO·Filed 2010·Granted Oct 29, 2013·2 cites·7 claims
- 2063US5811682AElectromagnetic acoustic transducer EMAT and inspection system with EMAREBARA CORP·Filed 1996·Granted Sep 22, 1998·46 cites·17 claims
- 2162US8131159B2Transmission apparatus and optical transmission apparatusOHTANI TOSHIHIRO·Filed 2009·Granted Mar 6, 2012·2 cites·3 claims
- 2259US7454108B2Multimode fiber transmission systemFUJITSU LTD·Filed 2005·Granted Nov 18, 2008·2 cites·10 claims
- 2358US9869824B2Optical adapterFUJITSU LTD·Filed 2016·Granted Jan 16, 2018·1 cites·6 claims
- 2458US6819828B2Method and device for optical fiber transmissionFUJITSU LTD·Filed 2001·Granted Nov 16, 2004·6 cites·32 claims
- 2557US8390798B2Wavelength dispersion measurement method and device and optical transmission systemOHTANI TOSHIHIRO·Filed 2011·Granted Mar 5, 2013·1 cites·13 claims
- 2656US6033126AOptical waveguide module having improved high-frequency characteristicsFUJITSU LTD·Filed 1998·Granted Mar 7, 2000·23 cites·8 claims
- 2755US8184990B2Light source wavelength control apparatusOHTANI TOSHIHIRO·Filed 2006·Granted May 22, 2012·1 cites·13 claims
- 2853US6046839APolarizaiton scramblerFUJITSU LTD·Filed 1998·Granted Apr 4, 2000·19 cites·12 claims
- 2952US6238102B1Multiaxial optical couplerFUJITSU LTD·Filed 1998·Granted May 29, 2001·16 cites·6 claims
- 3052US6038925AFocal type electromagnetic acoustic transducer and flaw detection system and methodEBARA CORP·Filed 1998·Granted Mar 21, 2000·17 cites·16 claims
- 3149US9614345B2Arrayed optical amplifier and optical transmission deviceFUJITSU LTD·Filed 2015·Granted Apr 4, 2017·0 cites·16 claims
- 3249US7911685B2Control of a light source providing excitation lightFUJITSU LTD·Filed 2007·Granted Mar 22, 2011·0 cites·19 claims
- 3349US7142782B2Noise light elimination method, noise light elimination apparatus and optical transmission system, using stimulated brillouin scatteringFUJITSU LTD·Filed 2002·Granted Nov 28, 2006·1 cites·22 claims
- 3446US2005057794A1Raman excitation control method and optical transmission system using the sameFUJITSU LTD·Filed 2003·Application pending·0 cites
- 3546US2009324257A1Optical transmission apparatus, optical transmission system and communication method thereinFUJITSU LTD·Filed 2009·Application pending·0 cites
- 3646US2013258468A1Optical transmitter, optical module, and optical connectorFUJITSU LTD·Filed 2013·Application pending·0 cites
- 3744US2009190920A1Optical apparatusFUJITSU LTD·Filed 2008·Application pending·0 cites
- 3843US8538264B2Dispersion compensating apparatus, dispersion compensating method, optical receiving apparatus, and optical receiving methodYUKI MASAHIRO·Filed 2010·Granted Sep 17, 2013·0 cites·16 claims
- 3942US9048955B2Tunable dispersion compensation device, optical reception apparatus, and method for controlling tunable dispersion compensationOHTANI TOSHIHIRO·Filed 2012·Granted Jun 2, 2015·0 cites·18 claims
- 4041US2009001995A1Circuit for detecting connection failure between printed circuit boardsFUJITSU LTD·Filed 2008·Application pending·0 cites
- 4140US2003234973A1Method and device for optical fiber transmission using raman amplificationFUJITSU LTD·Filed 2003·Application pending·0 cites
- 4240US2008069572A1Optical transmission deviceFUJITSU LTD·Filed 2007·Application pending·0 cites
- 4338US10471683B2Electronic deviceFUJITSU OPTICAL COMPONENTS LTD·Filed 2018·Granted Nov 12, 2019·0 cites·9 claims
- 4438US2021318588A1Optical modulatorFUJITSU OPTICAL COMPONENTS LTD·Filed 2021·Application pending·0 cites
- 4537US2011142456A1Apparatus and method for detecting signal beamFUJITSU LTD·Filed 2010·Application pending·0 cites
- 4636US2017170624A1Optical amplifier and method of controlling excitation lightFUJITSU LTD·Filed 2016·Application pending·0 cites
- 4725US8477030B2Optical amplifier module and dispersion compensation fiber loss detection methodOTANI TOMOTAKA·Filed 2010·Granted Jul 2, 2013·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →