Assignee
NTT ELECTRONICS CORP
JP·88 granted patents·4 pending applications·272 citations·filing 1998–2021
Top patents by PatentIndex Score
92 records- 0188US10126502B2Optical waveguide device and moduleNTT ELECTRONICS CORP·Filed 2017·Granted Nov 13, 2018·5 cites·8 claims
- 0288US9229179B2Integrated optoelectronic moduleNTT ELECTRONICS CORP·Filed 2013·Granted Jan 5, 2016·9 cites·12 claims
- 0385US9684129B2Optical waveguide device and moduleNTT ELECTRONICS CORP·Filed 2015·Granted Jun 20, 2017·4 cites·12 claims
- 0485US6229165B1Semiconductor deviceNTT ELECTRONICS CORP·Filed 1998·Granted May 8, 2001·84 cites·3 claims
- 0584US9201194B2Optical moduleNTT ELECTRONICS CORP·Filed 2014·Granted Dec 1, 2015·7 cites·12 claims
- 0683US7413355B2Light emitting module and single-fiber two-way optical communication moduleNTT ELECTRONICS CORP·Filed 2006·Granted Aug 19, 2008·15 cites·1 claims
- 0782US7599587B2Wavelength selective switchNTT ELECTRONICS CORP·Filed 2008·Granted Oct 6, 2009·12 cites·12 claims
- 0880US10608743B2Transmission characteristic compensation apparatus, transmission characteristic compensation method, and communication apparatusNTT ELECTRONICS CORP·Filed 2017·Granted Mar 31, 2020·4 cites·14 claims
- 0979US9122084B2Phase modulation apparatusNTT ELECTRONICS CORP·Filed 2013·Granted Sep 1, 2015·3 cites·4 claims
- 1077US7364370B2Optical receptacle and optical module with optical receptacleNTT ELECTRONICS CORP·Filed 2006·Granted Apr 29, 2008·8 cites·3 claims
- 1175US7995930B2Optical receiver using Mach-Zehnder interferometerNTT ELECTRONICS CORP·Filed 2006·Granted Aug 9, 2011·8 cites·13 claims
- 1272US11558114B2Optical transmission characteristics compensating method and optical transmission characteristics compensating systemNTT ELECTRONICS CORP·Filed 2020·Granted Jan 17, 2023·1 cites·18 claims
- 1372US10868617B2Chromatic dispersion compensation device, chromatic dispersion compensation method, and communication deviceNTT ELECTRONICS CORP·Filed 2017·Granted Dec 15, 2020·2 cites·9 claims
- 1472US10305675B2Data phase tracking device, data phase tracking method and communication deviceNTT ELECTRONICS CORP·Filed 2017·Granted May 28, 2019·2 cites·16 claims
- 1571US9357276B2Digital broadcast methodNTT ELECTRONICS CORP·Filed 2012·Granted May 31, 2016·3 cites·2 claims
- 1670US10310159B2Optical waveguide deviceNTT ELECTRONICS CORP·Filed 2016·Granted Jun 4, 2019·2 cites·17 claims
- 1769US11307356B2Optical moduleNTT ELECTRONICS CORP·Filed 2018·Granted Apr 19, 2022·1 cites·10 claims
- 1869US7880197B2Avalanche photodiode having doping region with monotonically increasing concentration distributionNTT ELECTRONICS CORP·Filed 2006·Granted Feb 1, 2011·2 cites·4 claims
- 1969US6678290B2Optical output control circuit for obtaining stable optical output powerNTT ELECTRONICS CORP·Filed 2002·Granted Jan 13, 2004·11 cites·16 claims
- 2066US6898345B2Optical multiplexer and method for its productionNTT ELECTRONICS CORP·Filed 2002·Granted May 24, 2005·7 cites·23 claims
- 2165US10880193B2Error correction device, error correction method, and communication deviceNTT ELECTRONICS CORP·Filed 2017·Granted Dec 29, 2020·1 cites·8 claims
- 2265US7808705B2Wavelength-selective switchNTT ELECTRONICS CORP·Filed 2008·Granted Oct 5, 2010·4 cites·8 claims
- 2364US10374718B2Optical transmission distortion compensation device, optical transmission distortion compensation method, and communication deviceNTT ELECTRONICS CORP·Filed 2017·Granted Aug 6, 2019·1 cites·13 claims
- 2464US10039187B2Flexible printed wiring substrateNTT ELECTRONICS CORP·Filed 2016·Granted Jul 31, 2018·1 cites·19 claims
- 2564US9276158B2PhotodiodeNTT ELECTRONICS CORP·Filed 2013·Granted Mar 1, 2016·0 cites·8 claims
- 2662US8031984B2Semiconductor optical modulatorNTT ELECTRONICS CORP·Filed 2007·Granted Oct 4, 2011·1 cites·11 claims
- 2762US6912083B2ASE light source, optical amplifier and laser oscillatorNTT ELECTRONICS CORP·Filed 2004·Granted Jun 28, 2005·7 cites·27 claims
- 2862US6842560B2Optical multiplexing circuit and optical multiplexerNTT ELECTRONICS CORP·Filed 2002·Granted Jan 11, 2005·9 cites·30 claims
- 2961US10422719B2Chromatic dispersion estimating circuit, optical reception device and chromatic dispersion amount estimating methodNTT ELECTRONICS CORP·Filed 2016·Granted Sep 24, 2019·1 cites·8 claims
- 3060US12386591B2Arithmetic circuitNTT ELECTRONICS CORP·Filed 2021·Granted Aug 12, 2025·0 cites·3 claims
- 3160US7054403B2Phase-Locked LoopNTT ELECTRONICS CORP·Filed 2001·Granted May 30, 2006·13 cites·22 claims
- 3259US11201721B2Frame synchronization apparatus, optical communication apparatus, and frame synchronization methodNTT ELECTRONICS CORP·Filed 2021·Granted Dec 14, 2021·0 cites·4 claims
- 3359US9214921B2Sampling rate conversion deviceNTT ELECTRONICS CORP·Filed 2013·Granted Dec 15, 2015·2 cites·4 claims
- 3459US9182559B2Light-receiving package for flat-plate mounting, and optical moduleNTT ELECTRONICS CORP·Filed 2012·Granted Nov 10, 2015·0 cites·5 claims
- 3558US11323238B2Frame synchronization apparatus, optical communication apparatus, and frame synchronization methodNTT ELECTRONICS CORP·Filed 2019·Granted May 3, 2022·0 cites·11 claims
- 3658US10333834B2Automatic packet reception apparatusNTT ELECTRONICS CORP·Filed 2014·Granted Jun 25, 2019·1 cites·14 claims
- 3758US6885823B2Wavelength multiplexing/demultiplexing unit, wavelength multiplexing/demultiplexing apparatus and wavelength multiplexing/demultiplexing methodNTT ELECTRONICS CORP·Filed 2003·Granted Apr 26, 2005·5 cites·21 claims
- 3855US11432005B2Moving image encoding deviceNTT ELECTRONICS CORP·Filed 2019·Granted Aug 30, 2022·0 cites·4 claims
- 3955US11217705B2Semiconductor element, semiconductor device, and method for manufacturing sameNTT ELECTRONICS CORP·Filed 2019·Granted Jan 4, 2022·0 cites·8 claims
- 4055US7499613B2Y branch circuit and method for manufacturing the sameNTT ELECTRONICS CORP·Filed 2006·Granted Mar 3, 2009·2 cites·10 claims
- 4155US2015183060A1Method of manufacturing an optical moduleNTT ELECTRONICS CORP·Filed 2015·Application pending·0 cites
- 4254US7787736B2Semiconductor optoelectronic waveguideNTT ELECTRONICS CORP·Filed 2008·Granted Aug 31, 2010·0 cites·7 claims
- 4353US12306533B2Optical device manufacturing method and manufacturing apparatus using local etchingNTT ELECTRONICS CORP·Filed 2021·Granted May 20, 2025·0 cites·6 claims
- 4453US11360741B2Arithmetic circuitNTT ELECTRONICS CORP·Filed 2018·Granted Jun 14, 2022·0 cites·5 claims
- 4550US12068421B2Light reception element and light shielding structure for optical circuitNTT ELECTRONICS CORP·Filed 2020·Granted Aug 20, 2024·0 cites·10 claims
- 4650US6888379B2Phase comparator circuitNTT ELECTRONICS CORP·Filed 2001·Granted May 3, 2005·3 cites·9 claims
- 4749US12132812B2Data transfer circuit and communication apparatusNTT ELECTRONICS CORP·Filed 2021·Granted Oct 29, 2024·0 cites·8 claims
- 4849US10367100B2Semiconductor element, semiconductor device, and method for manufacturing sameNTT ELECTRONICS CORP·Filed 2015·Granted Jul 30, 2019·0 cites·3 claims
- 4949US9500811B2Optical circuitNTT ELECTRONICS CORP·Filed 2013·Granted Nov 22, 2016·0 cites·17 claims
- 5049US7086789B2Optical element module with a primary coated optical fiberNTT ELECTRONICS CORP·Filed 2003·Granted Aug 8, 2006·3 cites·3 claims
Showing the top 50 of 92 patent records by PatentIndex Score.
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