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Atul Mathur
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Santa Clara, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Monolithic photonic integrated circuit (PIC) with a plurality of in...
Patent number
10,012,797
Issue date
Jul 3, 2018
Infinera Corporation
Radhakrishnan L. Nagarajan
G02 - OPTICS
Information
Patent Grant
Method of achieving acceptable performance in and fabrication of a...
Patent number
9,372,306
Issue date
Jun 21, 2016
Infinera Corporation
Radhakrishnan L. Nagarajan
G02 - OPTICS
Information
Patent Grant
Transmitter photonic integrated circuit (TxPIC) chip
Patent number
8,300,994
Issue date
Oct 30, 2012
Infinera Corporation
David F. Welch
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Transmitter photonic integrated circuit (TxPIC) chips
Patent number
7,885,492
Issue date
Feb 8, 2011
Infinera Corporation
David F. Welch
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Monolithic transmitter photonic integrated circuit (TXPIC) with a t...
Patent number
7,773,837
Issue date
Aug 10, 2010
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Monolithic transmitter photonic integrated circuit (TxPIC) with a t...
Patent number
7,680,368
Issue date
Mar 16, 2010
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transport network having a plurality of monolithic photonic...
Patent number
7,672,546
Issue date
Mar 2, 2010
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Photonic integrated circuit (PIC) chips
Patent number
7,519,246
Issue date
Apr 14, 2009
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitter photonic integrated circuits (TXPICS) with directly mod...
Patent number
7,512,295
Issue date
Mar 31, 2009
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Monolithic transmitter photonic integrated circuit (TxPIC) semicond...
Patent number
7,477,807
Issue date
Jan 13, 2009
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of manufacturing and apparatus for a transmitter photonic in...
Patent number
7,437,029
Issue date
Oct 14, 2008
Infinera Corporation
Charles H. Joyner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Monolithic transmitter photonic integrated circuit (TxPIC) with int...
Patent number
7,340,122
Issue date
Mar 4, 2008
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitter photonic integrated circuits (TxPIC) and optical transp...
Patent number
7,283,694
Issue date
Oct 16, 2007
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transport network
Patent number
7,236,656
Issue date
Jun 26, 2007
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of optimizing optical channel signal demultiplexing in a mon...
Patent number
7,158,699
Issue date
Jan 2, 2007
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Compact, cost-effective optical-electrical-optical (OEO) converter...
Patent number
7,123,786
Issue date
Oct 17, 2006
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical signal receiver, an associated photonic integrated circuit...
Patent number
7,116,851
Issue date
Oct 3, 2006
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitter photonic integrated circuit (TxPIC) chip with enhanced...
Patent number
7,058,246
Issue date
Jun 6, 2006
Infinera Corporation
Charles H. Joyner
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical transport network
Patent number
7,058,263
Issue date
Jun 6, 2006
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High order fiber Raman amplifiers
Patent number
6,700,696
Issue date
Mar 2, 2004
JDS Uniphase Corporation
Vincent G. Dominic
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TxPIC) CHIP
Publication number
20110249936
Publication date
Oct 13, 2011
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MONOLITHIC TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TXPIC) WITH A T...
Publication number
20090022452
Publication date
Jan 22, 2009
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MONOLITHIC TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TXPIC) HAVING T...
Publication number
20080138088
Publication date
Jun 12, 2008
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMITTER PHOTONIC INTEGRATED CIRCUITS (TxPICs) AND OPTICAL TRANS...
Publication number
20080044128
Publication date
Feb 21, 2008
Infinera Corporation
Fred A. Kish
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Photonic Integrated Circuit (PIC) Chips
Publication number
20080031626
Publication date
Feb 7, 2008
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSPORT NETWORK HAVING A PLURALITY OF MONOLITHIC PHOTONIC...
Publication number
20080025726
Publication date
Jan 31, 2008
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Monolithic Transmitter Photonic Integrated Circuit (TxPIC) with a T...
Publication number
20080013881
Publication date
Jan 17, 2008
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Monolithic Transmitter Photonic Integrated Circuit (TxPIC) Semicond...
Publication number
20070248299
Publication date
Oct 25, 2007
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MONOLITHIC TRANSMITTER PHOTONIC INTEGRATED CIRCUIT (TxPIC) WITH INT...
Publication number
20070242919
Publication date
Oct 18, 2007
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmitter Photonic Integrated Circuits (TxPICs) with Directly Mod...
Publication number
20070242918
Publication date
Oct 18, 2007
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MONOLITHIC PHOTONIC INTEGRATED CIRCUIT (PIC) WITH FORWARD ERROR COR...
Publication number
20070183738
Publication date
Aug 9, 2007
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of manufacturing and apparatus for a transmitter photonic in...
Publication number
20060228067
Publication date
Oct 12, 2006
Infinera Corporation
Charles H. Joyner
G02 - OPTICS
Information
Patent Application
Optical transport network
Publication number
20060067619
Publication date
Mar 30, 2006
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of optimizing optical channel signal demultiplexing in a mon...
Publication number
20050213883
Publication date
Sep 29, 2005
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Compact, cost-effective optical-electrical-optical (OEO) converter...
Publication number
20050207696
Publication date
Sep 22, 2005
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transport network
Publication number
20050201669
Publication date
Sep 15, 2005
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmission network with a receiver photonic integrated ci...
Publication number
20050135729
Publication date
Jun 23, 2005
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of monitoring and controlling the bit error rate (BER) in an...
Publication number
20050135730
Publication date
Jun 23, 2005
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Submount for a photonic integrated circuit (PIC) chip
Publication number
20050025409
Publication date
Feb 3, 2005
Infinera Corporation
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmitter photonic integrated circuit ( TxPIC) chips
Publication number
20040067006
Publication date
Apr 8, 2004
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical signal receiver photonic integrated circuit (RxPIC), an ass...
Publication number
20040033004
Publication date
Feb 19, 2004
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmitter photonic integrated circuits (TxPIC) and optical transp...
Publication number
20030095737
Publication date
May 22, 2003
David F. Welch
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Transmitter photonic integrated circuit (TxPIC) chip with enhanced...
Publication number
20030081878
Publication date
May 1, 2003
Charles H. Joyner
G02 - OPTICS
Information
Patent Application
High order fiber Raman amplifiers
Publication number
20020097480
Publication date
Jul 25, 2002
Vincent G. Dominic
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Asymmetric optical waveguide structure for reducing loss and enhanc...
Publication number
20010053168
Publication date
Dec 20, 2001
Atul Mathur
H01 - BASIC ELECTRIC ELEMENTS