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Patents Grants
last 30 patents
Information
Patent Grant
Optical transmission device, optical transmission method and optica...
Patent number
10,659,184
Issue date
May 19, 2020
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and device for assisting wavelength reallocation in waveleng...
Patent number
10,341,041
Issue date
Jul 2, 2019
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for estimating optical transmission performance
Patent number
10,158,422
Issue date
Dec 18, 2018
Fujitsu Limited
Shoichiro Oda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Control device, optical transmission system, and method for control...
Patent number
10,116,387
Issue date
Oct 30, 2018
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processing apparatus, wavelength defragmentation method...
Patent number
10,090,923
Issue date
Oct 2, 2018
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device and method for designing optical network
Patent number
10,027,407
Issue date
Jul 17, 2018
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Demand accommodation changing order determination method
Patent number
9,825,728
Issue date
Nov 21, 2017
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission device, network designing device, activation method, a...
Patent number
9,602,194
Issue date
Mar 21, 2017
Fujitsu Limited
Masatake Miyabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network design apparatus, network design method, and storage medium...
Patent number
9,602,195
Issue date
Mar 21, 2017
Fujitsu Limited
Tomohiro Hashiguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Recording medium, accommodation design device, and accommodation de...
Patent number
9,495,510
Issue date
Nov 15, 2016
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for designing a network transmitting wavelengt...
Patent number
9,281,914
Issue date
Mar 8, 2016
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network design apparatus and network design method
Patent number
9,270,538
Issue date
Feb 23, 2016
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for designing network
Patent number
9,160,474
Issue date
Oct 13, 2015
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Demand accommodation designing system and method
Patent number
9,077,480
Issue date
Jul 7, 2015
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network design apparatus, network design method, and storage medium...
Patent number
9,071,384
Issue date
Jun 30, 2015
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network design apparatus
Patent number
8,948,597
Issue date
Feb 3, 2015
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dispersion compensation design method and dispersion compensation d...
Patent number
8,805,199
Issue date
Aug 12, 2014
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dispersion compensation design method and dispersion compensation d...
Patent number
8,781,329
Issue date
Jul 15, 2014
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network design apparatus, method, and computer product
Patent number
8,737,839
Issue date
May 27, 2014
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for allocating devices to a communication route
Patent number
8,706,882
Issue date
Apr 22, 2014
Fujitsu Limited
Tomohiro Hashiguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network designing device, method, and program
Patent number
8,705,959
Issue date
Apr 22, 2014
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus for supporting designing of optical network, process for...
Patent number
8,565,596
Issue date
Oct 22, 2013
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical network design apparatus and method
Patent number
8,543,957
Issue date
Sep 24, 2013
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical-network design apparatus
Patent number
8,406,626
Issue date
Mar 26, 2013
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Chromatic dispersion compensation design system and chromatic dispe...
Patent number
8,380,077
Issue date
Feb 19, 2013
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for finding a pair of disjoint paths in a comm...
Patent number
8,345,538
Issue date
Jan 1, 2013
Fujitsu Limited
Tomohiro Hashiguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network design device and network design method
Patent number
8,315,161
Issue date
Nov 20, 2012
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for determining value of chromatic dispersion compensation
Patent number
8,275,259
Issue date
Sep 25, 2012
Fujitsu Limited
Toru Katagiri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for designing network
Patent number
8,270,829
Issue date
Sep 18, 2012
Fujitsu Limited
Tomohiro Hashiguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication system
Patent number
8,249,453
Issue date
Aug 21, 2012
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
STORAGE MEDIUM, INFORMATION PROCESSING METHOD, AND INFORMATION PROC...
Publication number
20230176555
Publication date
Jun 8, 2023
Fujitsu Limited
Yutaka Takita
G05 - CONTROLLING REGULATING
Information
Patent Application
INFORMATION PROCESSING DEVICE, SCHEDULE SPECIFICATION METHOD, AND S...
Publication number
20220214915
Publication date
Jul 7, 2022
Fujitsu Limited
Yutaka Takita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL TRANSMISSION DEVICE, OPTICAL TRANSMISSION METHOD AND OPTICA...
Publication number
20190238250
Publication date
Aug 1, 2019
Fujitsu Limited
KAZUYUKI TAJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEVICE AND METHOD FOR DESIGNING OPTICAL NETWORK
Publication number
20180026716
Publication date
Jan 25, 2018
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND DEVICE FOR ASSISTING WAVELENGTH REALLOCATION IN WAVELENG...
Publication number
20170359142
Publication date
Dec 14, 2017
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONTROL DEVICE, OPTICAL TRANSMISSION SYSTEM, AND METHOD FOR CONTROL...
Publication number
20170353239
Publication date
Dec 7, 2017
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR ESTIMATING OPTICAL TRANSMISSION PERFORMANCE
Publication number
20170310391
Publication date
Oct 26, 2017
Fujitsu Limited
Shoichiro Oda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROCESSING APPARATUS, WAVELENGTH DEFRAGMENTATION METHOD...
Publication number
20170230113
Publication date
Aug 10, 2017
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION DEVICE, NETWORK DESIGNING DEVICE, ACTIVATION METHOD, A...
Publication number
20160036521
Publication date
Feb 4, 2016
Fujitsu Limited
MASATAKE MIYABE
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK DESIGN APPARATUS, NETWORK DESIGN METHOD, AND STORAGE MEDIUM...
Publication number
20160036522
Publication date
Feb 4, 2016
Fujitsu Limited
Tomohiro Hashiguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEMAND ACCOMMODATION CHANGING ORDER DETERMINATION METHOD
Publication number
20150280985
Publication date
Oct 1, 2015
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR DESIGNING A COMMUNICATION NETWORK PREVENTI...
Publication number
20150071294
Publication date
Mar 12, 2015
Fujitsu Limited
Takao NAITO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR EFFECTIVE DESIGN OF A COMMUNICATION NETWOR...
Publication number
20150071635
Publication date
Mar 12, 2015
Fujitsu Limited
Takao NAITO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR DESIGNING A NETWORK TRANSMITTING WAVELENGT...
Publication number
20150050016
Publication date
Feb 19, 2015
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK DESIGN APPARATUS, NETWORK DESIGN METHOD, AND RECORDING MEDIUM
Publication number
20150052233
Publication date
Feb 19, 2015
FUJITSU LIMITED
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK DESIGNING APPARATUS, NETWORK DESIGNING METHOD, AND NETWORK...
Publication number
20150023666
Publication date
Jan 22, 2015
Fujitsu Limited
Tomohiro Hashiguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK DESIGN APPARATUS AND NETWORK DESIGN METHOD
Publication number
20140344433
Publication date
Nov 20, 2014
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR DESIGNING NETWORK
Publication number
20140286640
Publication date
Sep 25, 2014
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK DESIGN APPARATUS AND NETWORK DESIGN METHOD
Publication number
20140169782
Publication date
Jun 19, 2014
Fujitsu Limited
Tomohiro Hashiguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK DESIGN APPARATUS, NETWORK DESIGN METHOD, AND STORAGE MEDIUM...
Publication number
20140099112
Publication date
Apr 10, 2014
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RECORDING MEDIUM, ACCOMMODATION DESIGN DEVICE, AND ACCOMMODATION DE...
Publication number
20130311150
Publication date
Nov 21, 2013
Fujitsu Limited
Yutaka TAKITA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
APPARATUS AND METHOD FOR SEARCHING A COMMUNICATION NETWORK INCLUDIN...
Publication number
20130302026
Publication date
Nov 14, 2013
Fujitsu Limited
Tomohiro Hashiguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK DESIGN APPARATUS
Publication number
20130216230
Publication date
Aug 22, 2013
Kazuyuki TAJIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DEMAND ACCOMMODATION DESIGNING SYSTEM AND METHOD
Publication number
20130101286
Publication date
Apr 25, 2013
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ROUTE SEARCH DEVICE, ROUTE SEARCH METHOD, AND ROUTE SEARCH PROGRAM
Publication number
20130054834
Publication date
Feb 28, 2013
Fujitsu Limited
Tomohiro Hashiguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PATH SEARCH PROGRAM, PATH SEARCH APPARATUS AND PATH SEARCH METHOD
Publication number
20130003730
Publication date
Jan 3, 2013
Fujitsu Limited
Kazuyuki Tajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISPERSION COMPENSATION DESIGN METHOD AND DISPERSION COMPENSATION D...
Publication number
20120237214
Publication date
Sep 20, 2012
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR ALLOCATING DEVICES TO A COMMUNICATION ROUTE
Publication number
20120079116
Publication date
Mar 29, 2012
FUJITSU LIMITED
Tomohiro Hashiguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL NETWORK DESIGN APPARATUS AND METHOD
Publication number
20120054710
Publication date
Mar 1, 2012
Fujitsu Limited
Yutaka TAKITA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL NETWORK DESIGNING DEVICE, METHOD, AND PROGRAM
Publication number
20110229134
Publication date
Sep 22, 2011
Fujitsu Limited
Yutaka Takita
H04 - ELECTRIC COMMUNICATION TECHNIQUE