Yasuhiko Aoki

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Network controller and signal quality estimating method
- Patent number 10,256,903
- Issue date Apr 9, 2019
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device and method for measuring optical transmission c...
- Patent number 10,230,463
- Issue date Mar 12, 2019
- Fujitsu Limited
- Guoxiu Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system, transmission station, and method of o...
- Patent number 10,200,132
- Issue date Feb 5, 2019
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transport apparatus and optical-wavelength defragmenting me...
- Patent number 10,187,172
- Issue date Jan 22, 2019
- Fujitsu Limited
- Goji Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal-to-noise ratio monitor and method for measuring opti...
- Patent number 10,020,878
- Issue date Jul 10, 2018
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal quality monitoring apparatus, optical signal quality...
- Patent number 9,917,639
- Issue date Mar 13, 2018
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network controller and signal quality estimating method
- Patent number 9,906,296
- Issue date Feb 27, 2018
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and method for monitoring transmission characteristics
- Patent number 9,887,774
- Issue date Feb 6, 2018
- Fujitsu Limited
- Guoxiu Huang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical line termination, communication system, and communication c...
- Patent number 9,847,837
- Issue date Dec 19, 2017
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver and superimposed signal detecting method
- Patent number 9,838,148
- Issue date Dec 5, 2017
- Fujitsu Limited
- Goji Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system and optical communication method
- Patent number 9,755,733
- Issue date Sep 5, 2017
- Fujitsu Limited
- Yasuhiko Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting device and transmission control method
- Patent number 9,705,629
- Issue date Jul 11, 2017
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication device and wavelength adjustment method
- Patent number 9,705,604
- Issue date Jul 11, 2017
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus, optical transmission system, and co...
- Patent number 9,686,016
- Issue date Jun 20, 2017
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device, node device, optical transmission meth...
- Patent number 9,559,771
- Issue date Jan 31, 2017
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Joint wireless and fixed network optimization for heterogeneous cel...
- Patent number 9,560,531
- Issue date Jan 31, 2017
- Fujitsu Limited
- Rui Chu Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and method for monitoring optical signal quality, and optica...
- Patent number 9,496,953
- Issue date Nov 15, 2016
- Fujitsu Limited
- Goji Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for creating calibration coefficient used to m...
- Patent number 9,413,455
- Issue date Aug 9, 2016
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and analog-to-digital conversion app...
- Patent number 9,363,022
- Issue date Jun 7, 2016
- Fujitsu Limited
- Yasuhiko Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for monitoring wavelength tunable optical filter
- Patent number 9,350,479
- Issue date May 24, 2016
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system, optical transmission apparatus, signal...
- Patent number 9,225,459
- Issue date Dec 29, 2015
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength path switching method, optical communication system, opt...
- Patent number 9,185,474
- Issue date Nov 10, 2015
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal demodulator, optical signal demodulating method, and...
- Patent number 9,143,242
- Issue date Sep 22, 2015
- Fujitsu Limited
- Goji Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Measurement device, measurement method, transfer device, and optica...
- Patent number 9,136,944
- Issue date Sep 15, 2015
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system, method of testing optical transmission...
- Patent number 9,083,459
- Issue date Jul 14, 2015
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical power monitor, optical power control system and optical pow...
- Patent number 8,965,202
- Issue date Feb 24, 2015
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and optical interleaving control method
- Patent number 8,774,642
- Issue date Jul 8, 2014
- Fujitsu Limited
- Yasuhiko Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and optical transmission method
- Patent number 8,705,974
- Issue date Apr 22, 2014
- Fujitsu Limited
- Yohei Koganei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frame generating apparatus, optical transmission system, frame gene...
- Patent number 8,681,818
- Issue date Mar 25, 2014
- Fujitsu Limited
- Yasuhiko Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitting device and optical receiving device
- Patent number 8,660,425
- Issue date Feb 25, 2014
- Fujitsu Limited
- Yasuhiko Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
NETWORK CONTROLLER AND SIGNAL QUALITY ESTIMATING METHOD
- Publication number 20180097562
- Publication date Apr 5, 2018
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM, TRANSMISSION STATION, AND METHOD OF O...
- Publication number 20170279538
- Publication date Sep 28, 2017
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSPORT APPARATUS AND OPTICAL-WAVELENGTH DEFRAGMENTING ME...
- Publication number 20170279556
- Publication date Sep 28, 2017
- FUJITSU LIMITED
- GOJI NAKAGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE AND METHOD FOR MONITORING TRANSMISSION CHARACTERISTICS
- Publication number 20170279528
- Publication date Sep 28, 2017
- Fujitsu Limited
- GUOXIU HUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL LINE TERMINATION, COMMUNICATION SYSTEM, AND COMMUNICATION C...
- Publication number 20170187459
- Publication date Jun 29, 2017
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20170155981
- Publication date Jun 1, 2017
- Fujitsu Limited
- GOJI NAKAGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE AND METHOD FOR MEASURING OPTICAL TRANSMISSION C...
- Publication number 20170047993
- Publication date Feb 16, 2017
- Fujitsu Limited
- GUOXIU HUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK CONTROLLER AND SIGNAL QUALITY ESTIMATING METHOD
- Publication number 20160373187
- Publication date Dec 22, 2016
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER AND SUPERIMPOSED SIGNAL DETECTING METHOD
- Publication number 20160337070
- Publication date Nov 17, 2016
- Fujitsu Limited
- GOJI NAKAGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTING DEVICE AND OPTICAL RECEIVING DEVICE
- Publication number 20160337039
- Publication date Nov 17, 2016
- Fujitsu Limited
- GUOXIU HUANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEM AND OPTICAL COMMUNICATION METHOD
- Publication number 20160315695
- Publication date Oct 27, 2016
- Fujitsu Limited
- Yasuhiko Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL-TO-NOISE RATIO MONITOR AND METHOD FOR MEASURING OPTI...
- Publication number 20160308611
- Publication date Oct 20, 2016
- FUJITSU LIMITED
- Shoichiro ODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION DEVICE AND WAVELENGTH ADJUSTMENT METHOD
- Publication number 20160294479
- Publication date Oct 6, 2016
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTING DEVICE AND TRANSMISSION CONTROL METHOD
- Publication number 20160248537
- Publication date Aug 25, 2016
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL QUALITY MONITORING APPARATUS, OPTICAL SIGNAL QUALITY...
- Publication number 20160226580
- Publication date Aug 4, 2016
- Fujitsu Limited
- Shoichiro ODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION SYSTEM, AND CO...
- Publication number 20160036534
- Publication date Feb 4, 2016
- FUJITSU LIMITED
- Shoichiro ODA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DEVICE AND METHOD FOR MONITORING OPTICAL SIGNAL QUALITY, AND OPTICA...
- Publication number 20150155934
- Publication date Jun 4, 2015
- FUJITSU LIMITED
- Goji Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR CREATING CALIBRATION COEFFICIENT USED TO M...
- Publication number 20150155935
- Publication date Jun 4, 2015
- FUJITSU LIMITED
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL DEMODULATOR, OPTICAL SIGNAL DEMODULATING METHOD, AND...
- Publication number 20140270781
- Publication date Sep 18, 2014
- Fujitsu Limited
- GOJI NAKAGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MEASUREMENT DEVICE, MEASUREMENT METHOD, TRANSFER DEVICE, AND OPTICA...
- Publication number 20140270756
- Publication date Sep 18, 2014
- Fujitsu Limited
- Shoichiro ODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH PATH SWITCHING METHOD, OPTICAL COMMUNICATION SYSTEM, OPT...
- Publication number 20140241719
- Publication date Aug 28, 2014
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS AND METHOD FOR MONITORING WAVELENGTH TUNABLE OPTICAL FILTER
- Publication number 20140205281
- Publication date Jul 24, 2014
- Fujitsu Limited
- Kyosuke SONE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE, NODE DEVICE, OPTICAL TRANSMISSION METH...
- Publication number 20140140692
- Publication date May 22, 2014
- Fujitsu Limited
- Shoichiro ODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, METHOD OF TESTING OPTICAL TRANSMISSION...
- Publication number 20140105596
- Publication date Apr 17, 2014
- Fujitsu Limited
- Shoichiro ODA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL POWER MONITOR, OPTICAL POWER CONTROL SYSTEM AND OPTICAL POW...
- Publication number 20130251365
- Publication date Sep 26, 2013
- FUJITSU LIMITED
- Kyosuke SONE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS, SIGNAL...
- Publication number 20130121691
- Publication date May 16, 2013
- Fujitsu Limited
- Shoichiro Oda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND OPTICAL INTERLEAVING CONTROL METHOD
- Publication number 20130004163
- Publication date Jan 3, 2013
- Fujitsu Limited
- Yasuhiko Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD
- Publication number 20120219282
- Publication date Aug 30, 2012
- FUJITSU LIMITED
- Yohei KOGANEI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND ANALOG-TO-DIGITAL CONVERSION APP...
- Publication number 20120177368
- Publication date Jul 12, 2012
- Fujitsu Limited
- Yasuhiko Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTING DEVICE AND OPTICAL RECEIVING DEVICE
- Publication number 20110293266
- Publication date Dec 1, 2011
- Fujitsu Limited
- Yasuhiko Aoki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yasuhiko Aoki

Person

Patents Grantslast 30 patents

Network controller and signal quality estimating method

Transmission device and method for measuring optical transmission c...

Optical communication system, transmission station, and method of o...

Optical transport apparatus and optical-wavelength defragmenting me...

Optical signal-to-noise ratio monitor and method for measuring opti...

Optical signal quality monitoring apparatus, optical signal quality...

Network controller and signal quality estimating method

Device and method for monitoring transmission characteristics

Optical line termination, communication system, and communication c...

Optical receiver and superimposed signal detecting method

Optical communication system and optical communication method

Transmitting device and transmission control method

Communication device and wavelength adjustment method

Optical transmission apparatus, optical transmission system, and co...

Optical transmission device, node device, optical transmission meth...

Joint wireless and fixed network optimization for heterogeneous cel...

Device and method for monitoring optical signal quality, and optica...

Apparatus and method for creating calibration coefficient used to m...

Optical transmission apparatus and analog-to-digital conversion app...

Apparatus and method for monitoring wavelength tunable optical filter

Optical transmission system, optical transmission apparatus, signal...

Wavelength path switching method, optical communication system, opt...

Optical signal demodulator, optical signal demodulating method, and...

Measurement device, measurement method, transfer device, and optica...

Optical transmission system, method of testing optical transmission...

Optical power monitor, optical power control system and optical pow...

Optical transmission apparatus and optical interleaving control method

Optical transmission system and optical transmission method

Frame generating apparatus, optical transmission system, frame gene...

Optical transmitting device and optical receiving device

Patents Applicationslast 30 patents

NETWORK CONTROLLER AND SIGNAL QUALITY ESTIMATING METHOD

OPTICAL COMMUNICATION SYSTEM, TRANSMISSION STATION, AND METHOD OF O...

OPTICAL TRANSPORT APPARATUS AND OPTICAL-WAVELENGTH DEFRAGMENTING ME...

DEVICE AND METHOD FOR MONITORING TRANSMISSION CHARACTERISTICS

OPTICAL LINE TERMINATION, COMMUNICATION SYSTEM, AND COMMUNICATION C...

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION SYSTEM

TRANSMISSION DEVICE AND METHOD FOR MEASURING OPTICAL TRANSMISSION C...

NETWORK CONTROLLER AND SIGNAL QUALITY ESTIMATING METHOD

OPTICAL RECEIVER AND SUPERIMPOSED SIGNAL DETECTING METHOD

OPTICAL TRANSMITTING DEVICE AND OPTICAL RECEIVING DEVICE

OPTICAL COMMUNICATION SYSTEM AND OPTICAL COMMUNICATION METHOD

OPTICAL SIGNAL-TO-NOISE RATIO MONITOR AND METHOD FOR MEASURING OPTI...

COMMUNICATION DEVICE AND WAVELENGTH ADJUSTMENT METHOD

TRANSMITTING DEVICE AND TRANSMISSION CONTROL METHOD

OPTICAL SIGNAL QUALITY MONITORING APPARATUS, OPTICAL SIGNAL QUALITY...

OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION SYSTEM, AND CO...

DEVICE AND METHOD FOR MONITORING OPTICAL SIGNAL QUALITY, AND OPTICA...

APPARATUS AND METHOD FOR CREATING CALIBRATION COEFFICIENT USED TO M...

OPTICAL SIGNAL DEMODULATOR, OPTICAL SIGNAL DEMODULATING METHOD, AND...

MEASUREMENT DEVICE, MEASUREMENT METHOD, TRANSFER DEVICE, AND OPTICA...

WAVELENGTH PATH SWITCHING METHOD, OPTICAL COMMUNICATION SYSTEM, OPT...

APPARATUS AND METHOD FOR MONITORING WAVELENGTH TUNABLE OPTICAL FILTER

OPTICAL TRANSMISSION DEVICE, NODE DEVICE, OPTICAL TRANSMISSION METH...

OPTICAL TRANSMISSION SYSTEM, METHOD OF TESTING OPTICAL TRANSMISSION...

OPTICAL POWER MONITOR, OPTICAL POWER CONTROL SYSTEM AND OPTICAL POW...

OPTICAL TRANSMISSION SYSTEM, OPTICAL TRANSMISSION APPARATUS, SIGNAL...

OPTICAL TRANSMISSION APPARATUS AND OPTICAL INTERLEAVING CONTROL METHOD

OPTICAL TRANSMISSION SYSTEM AND OPTICAL TRANSMISSION METHOD

OPTICAL TRANSMISSION APPARATUS AND ANALOG-TO-DIGITAL CONVERSION APP...

OPTICAL TRANSMITTING DEVICE AND OPTICAL RECEIVING DEVICE