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Fernando X. Villarruel
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Romeoville, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
System and method for facilitating fiber access transport using plu...
Patent number
8,750,710
Issue date
Jun 10, 2014
Cisco Technology, Inc.
Fred S. Hirt
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sparing for multi-wavelength optical transmitter
Patent number
8,467,676
Issue date
Jun 18, 2013
Cisco Technology, Inc.
Fernando Xavier Villarruel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transamplifier, system and method for amplification of optical sign...
Patent number
8,265,490
Issue date
Sep 11, 2012
Cisco Technology, Inc.
Fernando X. Villarruel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Amplified wavelength broadband video distribution architectures
Patent number
8,111,992
Issue date
Feb 7, 2012
Fernando X. Villarruel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Raman cancellation and management in CATV transport and distributio...
Patent number
8,009,988
Issue date
Aug 30, 2011
Mary R. Phillips
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Amplified wavelength broadband video distribution architectures usi...
Patent number
7,903,980
Issue date
Mar 8, 2011
Fernando X. Villarruel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SPARING FOR MULTI-WAVELENGTH OPTICAL TRANSMITTER
Publication number
20100183294
Publication date
Jul 22, 2010
Fernando Xavier Villarruel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSAMPLIFIER, SYSTEM AND METHOD FOR AMPLIFICATION OF OPTICAL SIGN...
Publication number
20090232500
Publication date
Sep 17, 2009
Fernando X. Villarruel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RAMAN CANCELLATION AND MANAGEMENT IN CATV TRANSPORT AND DISTRIBUTIO...
Publication number
20090129778
Publication date
May 21, 2009
Mary R. Phillips
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Dual Broadcast and Narrowcast Systems and Methods
Publication number
20090028564
Publication date
Jan 29, 2009
Fernando X. Villarruel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Amplified Wavelength Broadband Video Distribution Architectures
Publication number
20080317467
Publication date
Dec 25, 2008
Fernando X. Villarruel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Amplified Wavelength Broadband Video Distribution Architectures Usi...
Publication number
20080317468
Publication date
Dec 25, 2008
Fernando X. Villarruel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NOISE MITIGATION IN ANALOG OPTICAL TRANSMISSION SYSTEMS USING POLAR...
Publication number
20070297807
Publication date
Dec 27, 2007
Yihong Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE