Assignee
EXFO INC
CA122 patents
Top patents by PatentIndex Score
US10014935B2Jul 3, 2018
Multiple-acquisition OTDR method and device
EXFO INC14 citations91
US9170173B2Oct 27, 2015
Multiple-acquisition otdr method and device
EXFO INC25 citations91
USD923028SJun 22, 2021
Display screen or portion thereof with graphical user interface
EXFO INC42 citations90
USD842144SMar 5, 2019
Module for use in a test instrument
EXFO INC15 citations90
USD739277SSep 22, 2015
Portable test instrument
EXFO INC14 citations90
USD739429SSep 22, 2015
Display screen or portion thereof with graphical user interface
EXFO INC106 citations90
USD798171SSep 26, 2017
Module for use in a test instrument
EXFO INC14 citations89
USD955419SJun 21, 2022
Display screen or portion thereof with graphical user interface
EXFO INC22 citations87
USD796524SSep 5, 2017
Display screen portion with graphical user interface for telecommunications test instrument
EXFO INC20 citations86
USD742394SNov 3, 2015
Display screen, or portion thereof, with graphical user interface for an optical fiber microscope
EXFO INC45 citations86
US11906389B1Feb 20, 2024
System and method for assisting in fiber optic splices
EXFO INC8 citations85
US11271641B1Mar 8, 2022
OTDR method for end-to-end optical fiber link characterization
EXFO INC11 citations85
US10862582B1Dec 8, 2020
OTDR receive device with connectivity feedback
EXFO INC12 citations85
USD866575SNov 12, 2019
Display screen, or portion thereof, with graphical user interface for multi-fiber connector, fiber inspection probe testing
EXFO INC32 citations85
US9825700B2Nov 21, 2017
Method and system for measuring an optical power attenuation value of a multimode device under test, receive device and computer-readable memory
EXFO INC14 citations84
US9749043B2Aug 29, 2017
Method for referencing an optical power loss measurement system, and associated computer readable memory and OPLM system
EXFO INC12 citations84
US8364034B2Jan 29, 2013
In-band optical noise measurement using differential polarization response
EXFO INC8 citations84
USD883825SMay 12, 2020
Portable test instrument
EXFO INC7 citations83
USD865548SNov 5, 2019
Portable test instrument
EXFO INC8 citations83
US10371596B2Aug 6, 2019
Testing fiber arrangement in multi-fiber cables
EXFO INC12 citations83
US10288524B2May 14, 2019
Testing fiber arrangement in multi-fiber cables
EXFO INC9 citations83
US9900087B2Feb 20, 2018
Multimode launch systems for use in performing an OTDR measurement on a multi-fiber array DUT and method of performing same
EXFO INC8 citations83
US9829429B2Nov 28, 2017
Determining a polarization-related characteristic of an optical link
EXFO INC7 citations83
US9423316B2Aug 23, 2016
Optical reflectometer with loss and/or reflectance profile view
EXFO INC17 citations83
US9287974B2Mar 15, 2016
Method and apparatus for testing transmission lines normally propagating optical signals
EXFO INC5 citations83
US7995915B2Aug 9, 2011
Method and apparatus for testing transmission lines normally propagating optical signals
EXFO INC10 citations83
US7920253B2Apr 5, 2011
Polarization optical time domain reflectometer and method of determining PMD
EXFO INC14 citations83
USD875578SFeb 18, 2020
Portable test instrument
EXFO INC13 citations82
USD865549SNov 5, 2019
Portable test instrument
EXFO INC10 citations82
US10175142B2Jan 8, 2019
Multiple-fiber connector inspection
EXFO INC8 citations82
US9709460B2Jul 18, 2017
Method and system for measuring an optical loss value of an optical fiber link
EXFO INC11 citations82
US9134197B2Sep 15, 2015
Bi-directional multi-pulsewidth optical time-domain reflectometer
EXFO INC11 citations82
USD713751SSep 23, 2014
Optical fiber inspection probe
EXFO INC10 citations82
US11022520B2Jun 1, 2021
Optical test instrument with removable cartridge
EXFO INC13 citations81
US9673899B2Jun 6, 2017
In-band OSNR measurement on polarization-multiplexed signals
EXFO INC7 citations81
US9641243B2May 2, 2017
Safe-mode OTDR method
EXFO INC7 citations81
USD763713SAug 16, 2016
Portable test instrument
EXFO INC12 citations81
US8373852B2Feb 12, 2013
Optical waveguide rotator mechanism, birefringence-inducing element and polarization control devices employing either or both and methods of using same
EXFO INC7 citations81
US8358930B2Jan 22, 2013
In-band optical signal to noise ratio determination method and system
EXFO INC9 citations81
US11138163B2Oct 5, 2021
Automatic root cause diagnosis in networks based on hypothesis testing
EXFO INC14 citations80
US10591385B2Mar 17, 2020
Method and system for multi-fiber cable testing
EXFO INC9 citations80
USD764328SAug 23, 2016
Portable test instrument
EXFO INC14 citations80
USD763712SAug 16, 2016
Portable test instrument
EXFO INC14 citations80
USD751434SMar 15, 2016
Optical fiber inspection probe
EXFO INC7 citations80
US10659178B2May 19, 2020
Fronthaul remote access and monitoring systems and methods to test fiber optic infrastructure and RF spectrum
EXFO INC8 citations79
US9880359B2Jan 30, 2018
Adapter tip and microscope system for inspection of fiber-optic connector endface
EXFO INC7 citations79
USD710222SAug 5, 2014
Portable test instrument
EXFO INC8 citations79
US11595125B2Feb 28, 2023
Transceiver agnostic GOSNR measurement
EXFO INC5 citations75
US12047117B2Jul 23, 2024
Optical-fiber device for one-cord reference optical power loss measurement
EXFO INC2 citations73
USD989645SJun 20, 2023
Portable test instrument
EXFO INC2 citations73
Showing the top 50 of 122 patents by PatentIndex Score.