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Patents Grants
last 30 patents
Information
Patent Grant
Multiple star wavelength division multiplexing passive optical netw...
Patent number
8,818,200
Issue date
Aug 26, 2014
Korea Advanced Institute of Science and Technology
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple star wavelength division multiplexing passive optical netw...
Patent number
8,687,972
Issue date
Apr 1, 2014
Korea Advanced Institute of Science and Technology
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplexed-passive optical network capable of...
Patent number
8,442,400
Issue date
May 14, 2013
Korea Advanced Institute of Science and Technology
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength-division multiplexed passive optical network for reducin...
Patent number
8,180,221
Issue date
May 15, 2012
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplexed-passive optical network capable of...
Patent number
8,078,061
Issue date
Dec 13, 2011
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiver having an apparatus for varying decision threshold level a...
Patent number
7,920,797
Issue date
Apr 5, 2011
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and network architecture for upgrading legacy passive optica...
Patent number
7,773,838
Issue date
Aug 10, 2010
LG-Nortel Co., Ltd.
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network terminator and optical network connection method us...
Patent number
7,369,771
Issue date
May 6, 2008
Korea Advanced Institute of Science and Technology
Chang Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
REMOTE NODE CONFIGURATION FOR PROVIDING UPGRADED SERVICES IN A PASS...
Publication number
20160365931
Publication date
Dec 15, 2016
KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Chang-Hee LEE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION DEVICE OF A LOW-NOISE OPTICAL SIGNAL HAVING A LOW-NOIS...
Publication number
20120213519
Publication date
Aug 23, 2012
Korea Advanced Institute of Science and Technology
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTIPLE STAR WAVELENGTH DIVISION MULTIPLEXING PASSIVE OPTICAL NETW...
Publication number
20120177371
Publication date
Jul 12, 2012
Korea Advaned Institute of Science and Technology
Change-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SOURCE FOR WAVELENGTH DIVISION MULTIPLEXED OPTICAL NETWORK...
Publication number
20120106965
Publication date
May 3, 2012
Korea Advanced Institute of Science and Technology
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH DIVISION MULTIPLEXED-PASSIVE OPTICAL NETWORK CAPABLE OF...
Publication number
20120051749
Publication date
Mar 1, 2012
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FAULT LOCALIZATION METHOD AND A FAULT LOCALIZATION APPARATUS IN A P...
Publication number
20110255860
Publication date
Oct 20, 2011
Korea Advanced Institute of Science and Technology
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REMOTE NODE CONFIGURATION FOR PROVIDING UPGRADED SERVICES IN A PASS...
Publication number
20100290782
Publication date
Nov 18, 2010
Korea Advanced Institute of Science and Technology
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wavelength-Division Multiplexed Passive Optical Network for Reducin...
Publication number
20100221008
Publication date
Sep 2, 2010
Korea Advanced Institute of Science and Technology
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND NETWORK ARCHITECTURE FOR UPGRADING LEGACY PASSIVE OPTICA...
Publication number
20100054740
Publication date
Mar 4, 2010
Korea Advanced Institute of Science and Technology
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multiple Star Wavelength Division Multiplexing Passive Optical Netw...
Publication number
20100046945
Publication date
Feb 25, 2010
Korea Advanced Institute of Science and Technology
Chang-hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Long-Reach Wavelength Division Multiplexing Passive Optical Network...
Publication number
20080310841
Publication date
Dec 18, 2008
Korea Advanced Institute of Science and Technology
Chang-hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wavelength Division Multiplexed-Passive Optical Network Capable of...
Publication number
20080232807
Publication date
Sep 25, 2008
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RECEIVER HAVING AN APPARATUS FOR VARYING DECISION THRESHOLD LEVEL A...
Publication number
20070206964
Publication date
Sep 6, 2007
Korea Advanced Institute of Science and Technology
Chang-Hee Lee
H04 - ELECTRIC COMMUNICATION TECHNIQUE