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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical transmission apparatus, optical power monitor, and method o...
Patent number
10,020,879
Issue date
Jul 10, 2018
Fujitsu Limited
Taku Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission apparatus, optical transmission system, and po...
Patent number
9,882,647
Issue date
Jan 30, 2018
Fujitsu Limited
Taketo Endo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission apparatus and method for controlling optical p...
Patent number
9,722,704
Issue date
Aug 1, 2017
Fujitsu Limited
Taku Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system, optical transmission apparatus and wav...
Patent number
9,698,905
Issue date
Jul 4, 2017
Fujitsu Limited
Taku Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission system and optical transmission device
Patent number
9,479,249
Issue date
Oct 25, 2016
Fujitsu Limited
Taketo Endo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
OPTICAL TRANSMISSION SYSTEM AND APPARATUS AND TRANSMISSION METHOD
Publication number
20200169324
Publication date
May 28, 2020
Fujitsu Limited
Kunihiko YANAGIKUIDA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION APPARATUS, OPTICAL POWER MONITOR, AND METHOD O...
Publication number
20170126315
Publication date
May 4, 2017
Fujitsu Limited
Taku Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION APPARATUS AND METHOD FOR CONTROLLING OPTICAL P...
Publication number
20160248513
Publication date
Aug 25, 2016
Fujitsu Limited
Taku Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION SYSTEM, AND PO...
Publication number
20160241341
Publication date
Aug 18, 2016
Fujitsu Limited
Taketo Endo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION DEVICE
Publication number
20160065305
Publication date
Mar 3, 2016
Fujitsu Limited
Taketo ENDO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS AND WAV...
Publication number
20150381276
Publication date
Dec 31, 2015
FUJITSU LIMITED
Taku Saito
H04 - ELECTRIC COMMUNICATION TECHNIQUE