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Norio Yanagi
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Tokyo, JP
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last 30 patents
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Patent Grant
Dummy bit elimination device and coding apparatus for FEC code word
Patent number
6,657,967
Issue date
Dec 2, 2003
NEC Corporation
Takanori Fujisawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Circuit for optical WDM apparatus
Patent number
6,377,372
Issue date
Apr 23, 2002
NEC Corporation
Norio Yanagi
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
Supervisory monitoring and controlling system in data transmission...
Publication number
20040064540
Publication date
Apr 1, 2004
Norio Yanagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE