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Ryo KARUBE
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Kawasaki, JP
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last 30 patents
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Patent Grant
Optical transmission system, optical transmission apparatus and tra...
Patent number
11,063,684
Issue date
Jul 13, 2021
Fujitsu Limited
Ryo Karube
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS AND TRA...
Publication number
20190222345
Publication date
Jul 18, 2019
Fujitsu Limited
Ryo KARUBE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
WAVELENGTH DIVISION MULTIPLEXING TRANSMISSION SYSTEM
Publication number
20170047990
Publication date
Feb 16, 2017
Fujitsu Limited
Akihisa KAWAGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE