Raghu Rajan

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for protection switching
- Patent number 8,335,428
- Issue date Dec 18, 2012
- Fujitsu Limited
- Surendra Gupta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for protection switching
- Patent number 8,224,180
- Issue date Jul 17, 2012
- Fujitsu Limited
- Surendra Gupta
- 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
Information Patent Grant
Protection method and system for equipment in a network element
- Patent number 7,602,699
- Issue date Oct 13, 2009
- Fujitsu Limited
- Raghu Rajan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection method and system for equipment in a network element
- Patent number 6,906,997
- Issue date Jun 14, 2005
- Fujitsu Limited
- Raghu Rajan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and System for Protection Switching
- Publication number 20110097081
- Publication date Apr 28, 2011
- FUJITSU LIMITED
- Surendra Gupta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and System for Protection Switching
- Publication number 20110097080
- Publication date Apr 28, 2011
- FUJITSU LIMITED
- Surendra Gupta
- 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
Information Patent Application
Protection method and system for equipment in a network element
- Publication number 20050195737
- Publication date Sep 8, 2005
- FUJITSU LIMITED
- Raghu Rajan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Shared path protection method and system
- Publication number 20040179472
- Publication date Sep 16, 2004
- Farid Khalilzadeh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE