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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical transmission device, optical transmission system, and optic...
Patent number
9,800,347
Issue date
Oct 24, 2017
Fujitsu Limited
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission apparatus and optical transmission control method
Patent number
9,577,781
Issue date
Feb 21, 2017
Fujitsu Limited
Ichiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission apparatus and transmission system
Patent number
9,467,244
Issue date
Oct 11, 2016
Fujitsu Limited
Ichiro Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Route setting apparatus, route setting method, and network system
Patent number
9,276,837
Issue date
Mar 1, 2016
Fujitsu Limited
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus having data installed and method of upgrading data
Patent number
8,893,115
Issue date
Nov 18, 2014
Fujitsu Limited
Kazuaki Nagamine
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Light transmission device, optical relay device, optical wavelength...
Patent number
8,655,165
Issue date
Feb 18, 2014
Fujitsu Limited
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Inheritance control method of network control data between transmis...
Patent number
7,724,690
Issue date
May 25, 2010
Fujitsu Limited
Shingo Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processing device, failure notification method, and com...
Patent number
7,581,145
Issue date
Aug 25, 2009
Fujitsu Limited
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Node device in network, and network system
Patent number
7,330,424
Issue date
Feb 12, 2008
Fujitsu Limited
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and unit for setting a wavelength to a tunable laser
Patent number
7,301,973
Issue date
Nov 27, 2007
Fujitsu Limited
Takuma Shouji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Ring switching method and node apparatus using the same
Patent number
7,065,040
Issue date
Jun 20, 2006
Fujitsu Limited
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MONITORING DEVICE AND CARD REPLACING METHOD
Publication number
20180026939
Publication date
Jan 25, 2018
Fujitsu Limited
Kazuaki NAGAMINE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTIC...
Publication number
20160381441
Publication date
Dec 29, 2016
Fujitsu Limited
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION SYSTEM, AND OPTIC...
Publication number
20160241936
Publication date
Aug 18, 2016
Fujitsu Limited
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION CONTROL METHOD
Publication number
20160094306
Publication date
Mar 31, 2016
FUJITSU LIMITED
ICHIRO NAKAJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM
Publication number
20150207583
Publication date
Jul 23, 2015
Fujitsu Limited
ICHIRO NAKAJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ROUTE SETTING APPARATUS, RELAY APPARATUS, ROUTE SETTING METHOD, ROU...
Publication number
20140269696
Publication date
Sep 18, 2014
Fujitsu Limited
Kazuaki NAGAMINE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR DETERMINING A LOCATION OF FAILURE IN A TRA...
Publication number
20130121683
Publication date
May 16, 2013
FUJITSU LIMITED
Kazuaki NAGAMINE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION SYSTEM AND APPARATUS, AND METHOD
Publication number
20120150987
Publication date
Jun 14, 2012
FUJITSU LIMITED
Kazuaki NAGAMINE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Light transmission device, optical relay device, optical wavelength...
Publication number
20110236016
Publication date
Sep 29, 2011
FUJITSU LIMITED
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS HAVING DATA INSTALLED AND METHOD OF UPGRADING DATA
Publication number
20090204653
Publication date
Aug 13, 2009
FUJITSU LIMITED
Kazuaki NAGAMINE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Transmission apparatus and method of automatically updating software
Publication number
20080028386
Publication date
Jan 31, 2008
FUJITSU LIMITED
Kazuaki Nagamine
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information processing device, failure notification method, and com...
Publication number
20070223917
Publication date
Sep 27, 2007
FUJITSU LIMITED
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and unit for setting a wavelength to a tunable laser
Publication number
20050271090
Publication date
Dec 8, 2005
FUJITSU LIMITED
Takuma Shouji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Program downloading method, program switching method and network ap...
Publication number
20050193390
Publication date
Sep 1, 2005
FUJITSU LIMITED
Toshihiro Suzuki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Inheritance control method of network control data between transmis...
Publication number
20050180451
Publication date
Aug 18, 2005
FUJITSU LIMITED
Shingo Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Ring switching method and node apparatus using the same
Publication number
20030058790
Publication date
Mar 27, 2003
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Node device in network, and network system
Publication number
20030026272
Publication date
Feb 6, 2003
Kazuaki Nagamine
H04 - ELECTRIC COMMUNICATION TECHNIQUE