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Richardson, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Proactive delay measurement for optical transport network
Patent number
9,391,697
Issue date
Jul 12, 2016
Fujitsu Limited
Catherine Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Asymmetric OTN network traffic support
Patent number
9,048,967
Issue date
Jun 2, 2015
Fujitsu Limited
Catherine Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for identifying a target signal in an optical tra...
Patent number
8,711,730
Issue date
Apr 29, 2014
Fujitsu Limited
Catherine Haiyan Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Identifying fault locations in a network
Patent number
8,699,873
Issue date
Apr 15, 2014
Fujitsu Limited
Daniel Paul Lyon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Determining an aggreagated active/standby state for an interface un...
Patent number
7,730,229
Issue date
Jun 1, 2010
Fujitsu Limited
Catherine Yuan
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
MANAGEMENT OF FRAME ALIGNMENT EVENTS IN OPTICAL TRANSPORT NETWORKS
Publication number
20160226578
Publication date
Aug 4, 2016
Catherine H. Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROACTIVE DELAY MEASUREMENT FOR OPTICAL TRANSPORT NETWORK
Publication number
20140294377
Publication date
Oct 2, 2014
FUJITSU LIMITED
Catherine Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ASYMMETRIC OTN NETWORK TRAFFIC SUPPORT
Publication number
20130209087
Publication date
Aug 15, 2013
FUJITSU LIMITED
Catherine Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM AND METHOD FOR IDENTIFYING A TARGET SIGNAL IN AN OPTICAL TRA...
Publication number
20130077974
Publication date
Mar 28, 2013
Fujitsu Network Communications, Inc.
Catherine Haiyan Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Triggers to Fault Information Insertion in Optical Transport Network
Publication number
20120230674
Publication date
Sep 13, 2012
Catherine Haiyan Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR PROTECTION SWITCHING
Publication number
20120087648
Publication date
Apr 12, 2012
Ke Qin Gao
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IDENTIFYING FAULT LOCATIONS IN A NETWORK
Publication number
20110280567
Publication date
Nov 17, 2011
Fujitsu Network Communications, Inc.
Daniel Paul Lyon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Determining An Active/Standby State From Service Readiness
Publication number
20080285470
Publication date
Nov 20, 2008
Catherine Yuan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Determining An Active/Standby State For An Interface Unit
Publication number
20080126596
Publication date
May 29, 2008
Catherine Yuan
G06 - COMPUTING CALCULATING COUNTING