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Hiroki Takaki
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Fukuoka, JP
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Patents Grants
last 30 patents
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Patent Grant
Optical transmission device and monitoring method of optical signal
Patent number
9,332,326
Issue date
May 3, 2016
Fujitsu Limited
Akihiro Mukai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Provider network for providing L-2 VPN services and edge router
Patent number
7,684,382
Issue date
Mar 23, 2010
Fujitsu Limited
Kenichi Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL TRANSMISSION DEVICE AND MONITORING METHOD OF OPTICAL SIGNAL
Publication number
20150063798
Publication date
Mar 5, 2015
FUJITSU LIMITED
Akihiro Mukai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Provider network for providing L-2 VPN services and edge router
Publication number
20060056384
Publication date
Mar 16, 2006
FUJITSU LIMITED
Kenichi Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE