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Ikuo Ohta
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Tokyo, JP
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last 30 patents
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Patent Grant
Optical gain equalizer, and optical amplifier and wavelength-divisi...
Patent number
6,377,390
Issue date
Apr 23, 2002
The Furukawa Electric Co., Ltd.
Kazuyo Mizuno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
Data processing device and data processing method
Publication number
20090157530
Publication date
Jun 18, 2009
FUJITSU TEN LIMITED
Satoru Nagamoto
G06 - COMPUTING CALCULATING COUNTING
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Patent Application
Updating system of music database, transmission apparatus of music...
Publication number
20070056008
Publication date
Mar 8, 2007
Satoru Nagamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE