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Boris B. Stefanov
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Murray Hill, NJ, US
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Patents Grants
last 30 patents
Information
Patent Grant
SOA-MZI device fault isolation
Patent number
7,633,674
Issue date
Dec 15, 2009
Alphion Corporation
Mohammad Laham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
SOA-MZI device fault isolation
Patent number
7,440,179
Issue date
Oct 21, 2008
Alphion Corporation
Mohammad Laham
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Integrated performance monitoring, performance maintenance, and fai...
Patent number
7,319,555
Issue date
Jan 15, 2008
Alphion Corporation
Ganesh Lakshminarayana
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photonic integrated circuit
Patent number
7,239,768
Issue date
Jul 3, 2007
Alphion Corporation
Ganesh Lakshminarayana
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Generation and detection of optical maintenance signals in optical...
Patent number
7,190,909
Issue date
Mar 13, 2007
Alphion Corporation
Jayanta Das
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for bit-rate and format insensitive performanc...
Patent number
7,009,210
Issue date
Mar 7, 2006
Alphion Corporation
Jithamithra Sarathy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical signal quality selection system
Patent number
6,856,767
Issue date
Feb 15, 2005
Alphion Corporation
Mohammad Laham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Format insensitive and bit rate independent optical preprocessor
Patent number
6,727,991
Issue date
Apr 27, 2004
Alphion Corporation
Julio Martinez
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Format insensitive and bit rate independent optical preprocessor
Patent number
6,724,484
Issue date
Apr 20, 2004
Alphion Corporation
Julio Martinez
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bit-rate and format insensitive all-option clock extraction circuit
Patent number
6,678,086
Issue date
Jan 13, 2004
Alphion Corporation
Bharat Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bit-rate and format insensitive all-optical clock extraction circuit
Patent number
6,671,467
Issue date
Dec 30, 2003
Alphion Corporation
Bharat Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Format insensitive and bit rate independent optical preprocessor
Patent number
6,646,794
Issue date
Nov 11, 2003
Alphion Corporation
Julio Martinez
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bit-rate and format insensitive all-optical circuit for reshaping,...
Patent number
6,636,318
Issue date
Oct 21, 2003
Alphion Corp.
Jithamithra Sarathy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bit-rate and format insensitive all-optical clock extraction circuit
Patent number
6,624,924
Issue date
Sep 23, 2003
Alphion Corp.
Bharat Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bit-rate and format insensitive all-optical clock extraction circuit
Patent number
6,594,072
Issue date
Jul 15, 2003
Alphion Corporation
Bharat Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Format insensitive and bit rate independent optical preprocessor
Patent number
6,570,697
Issue date
May 27, 2003
Alphion Corporation
Julio Martinez
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Bit-rate and format insensitive all-optical clock extraction circuit
Patent number
6,563,621
Issue date
May 13, 2003
Alphion Corporation
Bharat Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Error control coding for transmission equipment protection
Patent number
6,516,436
Issue date
Feb 4, 2003
Lucent Technologies Inc.
Bharat P. Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM AND METHOD FOR MANAGING OPTICAL SYSTEM FAILURE
Publication number
20120134663
Publication date
May 31, 2012
Hongsheng Wang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SOA-MZI Device Fault Isolation
Publication number
20090041454
Publication date
Feb 12, 2009
Alphion Corporation
Mohammad Laham
G02 - OPTICS
Information
Patent Application
Integrated performance monitoring, performance maintenance, and fai...
Publication number
20070008613
Publication date
Jan 11, 2007
Ganesh Lakshminarayana
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Fault isolation of individual switch modules using robust switch ar...
Publication number
20060182440
Publication date
Aug 17, 2006
Boris Stefanov
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Photonic integrated circuit
Publication number
20060018587
Publication date
Jan 26, 2006
Ganesh Lakshminarayana
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SOA-MZI device fault isolation
Publication number
20040100257
Publication date
May 27, 2004
Mohammad Laham
G02 - OPTICS
Information
Patent Application
Optical maintenance signaling in optical data networks
Publication number
20030067648
Publication date
Apr 10, 2003
Roman Antosik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Fault isolation of individual switch modules using robust switch ar...
Publication number
20030063839
Publication date
Apr 3, 2003
Scott Kaminski
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network and access protection in optical networks
Publication number
20030016654
Publication date
Jan 23, 2003
Jayanta Das
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Generation and detection of optical maintenance signals in optical...
Publication number
20030011836
Publication date
Jan 16, 2003
Jayanta Das
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for bit-rate and format insensitive performanc...
Publication number
20020190261
Publication date
Dec 19, 2002
Jithamithra Sarathy
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Disjoint shared protection
Publication number
20020191244
Publication date
Dec 19, 2002
Roman Antosik
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Format insensitive and bit rate independent optical preprocessor
Publication number
20020181085
Publication date
Dec 5, 2002
Julio Martinez
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bit-rate and format insensitive all-optical clock extraction circuit
Publication number
20020181083
Publication date
Dec 5, 2002
Bharat Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bit-rate and format insensitive all-optical clock extraction circuit
Publication number
20020181086
Publication date
Dec 5, 2002
Bharat Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Format insensitive and bit rate independent optical preprocessor
Publication number
20020181084
Publication date
Dec 5, 2002
Julio Martinez
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Format insensitive and bit rate independent optical preprocessor
Publication number
20020181087
Publication date
Dec 5, 2002
Julio Martinez
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bit-rate and format insensitive all-option clock extraction circuit
Publication number
20020181088
Publication date
Dec 5, 2002
Bharat Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bit-rate and format insensitive all-optical clock extraction circuit
Publication number
20020176157
Publication date
Nov 28, 2002
Bharat Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network restoration capability via dedicated hardware and continuou...
Publication number
20020133734
Publication date
Sep 19, 2002
Jithamithra Sarathy
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Bit-rate and format insensitive all-optical circuit for reshaping,...
Publication number
20020079486
Publication date
Jun 27, 2002
Jithamithra Sarathy
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical signal quality selection system
Publication number
20020048060
Publication date
Apr 25, 2002
Mohammad A. Laham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Bit-rate and format insensitive all-optical clock extraction circuit
Publication number
20020040980
Publication date
Apr 11, 2002
Bharat Dave
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Maintenance system and method for an optical switch fabric
Publication number
20020041409
Publication date
Apr 11, 2002
Mohammad Laham
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Format insensitive and bit rate independent optical preprocessor
Publication number
20020041428
Publication date
Apr 11, 2002
Julio Martinez
H04 - ELECTRIC COMMUNICATION TECHNIQUE