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Jaakko Aarnio
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Espoo, FI
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Patents Grants
last 30 patents
Information
Patent Grant
Optical telecommunications network
Patent number
6,868,234
Issue date
Mar 15, 2005
Nokia Corporation
Simo Tammela
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical telecommunications networks
Patent number
6,456,407
Issue date
Sep 24, 2002
Nokia Networks Oy
Simo Tammela
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical multiplexing and demultiplexing
Patent number
6,366,378
Issue date
Apr 2, 2002
Nokia Networks Oy
Ari Tervonen
G02 - OPTICS
Information
Patent Grant
Optical mode filter
Patent number
5,745,614
Issue date
Apr 28, 1998
Alcatel N.V.
Peter Kersten
G02 - OPTICS