Assignee
EXFO ELECTRO OPTICAL ENG INC
CA·20 granted patents·516 citations·filing 1992–2007
Top patents by PatentIndex Score
20 records- 0195US7187861B2Method and apparatus for testing optical networksEXFO ELECTRO OPTICAL ENG INC·Filed 2004·Granted Mar 6, 2007·44 cites·29 claims
- 0295US5754284AOptical time domain reflectometer with internal reference reflectorEXFO ELECTRO OPTICAL ENG INC·Filed 1996·Granted May 19, 1998·108 cites·8 claims
- 0394US6724469B2Polarization-OTDR for measuring characteristics of optical fibersEXFO ELECTRO OPTICAL ENG INC·Filed 2003·Granted Apr 20, 2004·61 cites·18 claims
- 0484US6636306B2Optical spectrum analyzerEXFO ELECTRO OPTICAL ENG INC·Filed 2001·Granted Oct 21, 2003·31 cites·21 claims
- 0578US6204924B1Method and apparatus for measuring polarization mode dispersion of optical devicesEXFO ELECTRO OPTICAL ENG INC·Filed 1999·Granted Mar 20, 2001·56 cites·30 claims
- 0676US6762829B2Measurement of optical properties of passive optical devices using the matrix methodEXFO ELECTRO OPTICAL ENG INC·Filed 2003·Granted Jul 13, 2004·14 cites·22 claims
- 0774US7227645B2Method and apparatus for measuring polarization mode dispersionEXFO ELECTRO OPTICAL ENG INC·Filed 2003·Granted Jun 5, 2007·17 cites·6 claims
- 0873US6612750B1Adapter for interconnecting optical fiber connectorsEXFO ELECTRO OPTICAL ENG INC·Filed 1998·Granted Sep 2, 2003·60 cites·21 claims
- 0972US6856398B2Method of and apparatus for making wavelength-resolved polarimetric measurementsEXFO ELECTRO OPTICAL ENG INC·Filed 2002·Granted Feb 15, 2005·14 cites·8 claims
- 1071US6621067B2Polarization independent photodetector device and method of making sameEXFO ELECTRO OPTICAL ENG INC·Filed 2001·Granted Sep 16, 2003·17 cites·35 claims
- 1170US7426021B2Interferometric optical analyzer and method for measuring the linear response of an optical componentEXFO ELECTRO OPTICAL ENG INC·Filed 2005·Granted Sep 16, 2008·6 cites·33 claims
- 1269US5305078AMeasurement of attenuation of optical fibers using transmitted wavelength and power informationEXFO ELECTRO OPTICAL ENG INC·Filed 1992·Granted Apr 19, 1994·29 cites·6 claims
- 1367US7167655B2Measurement system for wide dynamic range optical power meterEXFO ELECTRO OPTICAL ENG INC·Filed 2003·Granted Jan 23, 2007·13 cites·14 claims
- 1467US7116848B2Optical spectrum analyzer using a diffraction grating and multi-pass opticsEXFO ELECTRO OPTICAL ENG INC·Filed 2004·Granted Oct 3, 2006·11 cites·22 claims
- 1566US7382810B2Widely-tunable laser apparatusEXFO ELECTRO OPTICAL ENG INC·Filed 2007·Granted Jun 3, 2008·2 cites·10 claims
- 1661US6429929B2Method and apparatus for measuring phase differences between intensity-modulated optical signalsEXFO ELECTRO OPTICAL ENG INC·Filed 2001·Granted Aug 6, 2002·9 cites·55 claims
- 1758US6819429B2Multi-pass optical spectrum analyzer having a polarization-dependent tunable filterEXFO ELECTRO OPTICAL ENG INC·Filed 2001·Granted Nov 16, 2004·7 cites·12 claims
- 1854US6992828B2Optical attentuator systemEXFO ELECTRO OPTICAL ENG INC·Filed 2002·Granted Jan 31, 2006·6 cites·15 claims
- 1951US6930776B2High optical rejection optical spectrum analyzer/monochromatorEXFO ELECTRO OPTICAL ENG INC·Filed 2003·Granted Aug 16, 2005·3 cites·17 claims
- 2049US7583727B2Single ended DMT test method for determining ADSL capability of cablesEXFO ELECTRO OPTICAL ENG INC·Filed 2002·Granted Sep 1, 2009·8 cites·12 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →