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Ulf Persson
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Uppsala, SE
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Patents Grants
last 30 patents
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Patent Grant
System, method and devices related to radio communication equipment
Patent number
9,712,992
Issue date
Jul 18, 2017
Telefonaktiebolaget LM Ericsson (publ)
Rune Johansson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System, method and devices related to radio communication equipment
Patent number
8,655,388
Issue date
Feb 18, 2014
Telefonaktiebolaget L M Ericsson (Publ)
Rune Johansson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low loss WDM add drop node
Patent number
7,623,789
Issue date
Nov 24, 2009
Transmode Holding AB
Magnus Oberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system with two parallel transmission paths
Patent number
7,450,843
Issue date
Nov 11, 2008
Telefonaktiebolaget L M Ericsson (Publ)
Ulf A. Persson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Protected bidirectional WDM network
Patent number
7,343,093
Issue date
Mar 11, 2008
Transmode Holding AB
Magnus Oberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system
Patent number
7,308,201
Issue date
Dec 11, 2007
Telefonaktiebolaget LM Ericsson (publ)
Ulf A. Persson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical filtering by using an add-drop node
Patent number
7,113,662
Issue date
Sep 26, 2006
Lumentis AB
Ulf Persson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system
Patent number
7,110,673
Issue date
Sep 19, 2006
Telefonaktiebolaget LM Ericsson (publ)
Ulf A. Persson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication network
Patent number
6,519,384
Issue date
Feb 11, 2003
Telefonaktiebolaget LM Ericsson (publ)
Ulf A. Persson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
System, Method and Devices Related to Radio Communication Equipment
Publication number
20170208449
Publication date
Jul 20, 2017
Telefonaktiebolaget LM Ericsson (publ)
Rune Johansson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System, Method and Devices Related to Radio Communication Equipment
Publication number
20140128055
Publication date
May 8, 2014
Telefonaktiebolaget LM Ericsson (publ)
Rune Johansson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
System, Method and Devices Related to Radio Communication Equipment
Publication number
20120264459
Publication date
Oct 18, 2012
Rune Johansson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL COMMUNICATION SYSTEM
Publication number
20070003284
Publication date
Jan 4, 2007
Ulf A. Persson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Protected bidirectional wdm network
Publication number
20050084262
Publication date
Apr 21, 2005
Magnus Oberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical filtering by using an add-drop node
Publication number
20040234194
Publication date
Nov 25, 2004
Ulf Persson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Low loss wdm add drop node
Publication number
20030128984
Publication date
Jul 10, 2003
Magnus Oberg
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical communication system
Publication number
20020041411
Publication date
Apr 11, 2002
Ulf A. Persson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical communication network
Publication number
20020034358
Publication date
Mar 21, 2002
Ulf A. Persson
H04 - ELECTRIC COMMUNICATION TECHNIQUE