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Kenichi YAJIMA
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Transmission device, transmission network system, and path delay me...
Patent number
9,887,772
Issue date
Feb 6, 2018
Fujitsu Limited
Naoya Okada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for performing loop-free transmission in a communication...
Patent number
9,497,077
Issue date
Nov 15, 2016
Fujitsu Limited
Kenichi Yajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device for synchronizing between an active unit and a standby unit
Patent number
7,778,160
Issue date
Aug 17, 2010
Fujitsu Limited
Takashi Kaiga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power supply monitoring device
Patent number
7,408,475
Issue date
Aug 5, 2008
Fujitsu Limited
Koichi Sugama
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
TRANSMISSION APPARATUS, ELECTRONIC DEVICE, AND ACTIVATION CONTROL M...
Publication number
20180314311
Publication date
Nov 1, 2018
Fujitsu Limited
Daijiro Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
TRANSMISSION DEVICE, TRANSMISSION NETWORK SYSTEM, AND PATH DELAY ME...
Publication number
20160156411
Publication date
Jun 2, 2016
Fujitsu Limited
Naoya OKADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS FOR PERFORMING LOOP-FREE TRANSMISSION IN A COMMUNICATION...
Publication number
20130301440
Publication date
Nov 14, 2013
Fujitsu Limited
Kenichi YAJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION DEVICE
Publication number
20080037592
Publication date
Feb 14, 2008
Fujitsu Limited
Takashi Kaiga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Power supply monitoring device
Publication number
20070222630
Publication date
Sep 27, 2007
FUJITSU LIMITED
Koichi Sugama
G01 - MEASURING TESTING