Masahiro Yuki

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Transmission system, transmission device, and transmission method
- Patent number 11,228,822
- Issue date Jan 18, 2022
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and adding and dropping method
- Patent number 11,184,102
- Issue date Nov 23, 2021
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission system, transmission device, and transmission method
- Patent number 10,904,648
- Issue date Jan 26, 2021
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting device and transmission system
- Patent number 10,855,393
- Issue date Dec 1, 2020
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transfer system, control device, optical transfer method, a...
- Patent number 10,644,823
- Issue date May 5, 2020
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and optical signal gain control method
- Patent number 10,530,474
- Issue date Jan 7, 2020
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device and method for transmitting wavelength division multiplexed...
- Patent number 10,461,879
- Issue date Oct 29, 2019
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and method for checking optical connect...
- Patent number 9,900,089
- Issue date Feb 20, 2018
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and optical transmission system
- Patent number 9,673,929
- Issue date Jun 6, 2017
- Fujitsu Limited
- Makoto Yamashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device and optical transmission method
- Patent number 9,531,496
- Issue date Dec 27, 2016
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, measuring apparatus, transmitting apparatus,...
- Patent number 9,031,418
- Issue date May 12, 2015
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitting apparatus, optical receiving apparatus, and op...
- Patent number 8,867,927
- Issue date Oct 21, 2014
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal light monitoring apparatus, optical amplification apparatus...
- Patent number 8,705,168
- Issue date Apr 22, 2014
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control apparatus, polarization multiplexing light modulator, light...
- Patent number 8,693,870
- Issue date Apr 8, 2014
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical device and optical modulation method
- Patent number 8,582,980
- Issue date Nov 12, 2013
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion compensating apparatus, dispersion compensating method,...
- Patent number 8,538,264
- Issue date Sep 17, 2013
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization multiplexed light transmitter and control method thereof
- Patent number 8,412,047
- Issue date Apr 2, 2013
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal light monitoring apparatus, optical amplification apparatus...
- Patent number 8,203,781
- Issue date Jun 19, 2012
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization multiplexed optical transmitting and receiving apparatus
- Patent number 8,086,109
- Issue date Dec 27, 2011
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Input signal detection device
- Patent number 8,073,343
- Issue date Dec 6, 2011
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitting apparatus, optical receiving apparatus, and op...
- Patent number 7,817,923
- Issue date Oct 19, 2010
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter
- Patent number 7,778,553
- Issue date Aug 17, 2010
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network system
- Patent number 7,664,397
- Issue date Feb 16, 2010
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization scrambler, optical add/drop multiplexer, optical route...
- Patent number 7,583,895
- Issue date Sep 1, 2009
- Fujitsu Limited
- Kentaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier and optical transmission system using the same
- Patent number 7,242,519
- Issue date Jul 10, 2007
- Fujitsu Limited
- Kenichi Torii
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND ADDING AND DROPPING METHOD
- Publication number 20210242956
- Publication date Aug 5, 2021
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD
- Publication number 20210112320
- Publication date Apr 15, 2021
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTING DEVICE AND TRANSMISSION SYSTEM
- Publication number 20200274633
- Publication date Aug 27, 2020
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD
- Publication number 20200169795
- Publication date May 28, 2020
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSFER SYSTEM, CONTROL DEVICE, OPTICAL TRANSFER METHOD, A...
- Publication number 20190386767
- Publication date Dec 19, 2019
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL SIGNAL GAIN CONTROL METHOD
- Publication number 20190115977
- Publication date Apr 18, 2019
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DEVICE AND METHOD FOR TRANSMITTING WAVELENGTH DIVISION MULTIPLEXED...
- Publication number 20180205485
- Publication date Jul 19, 2018
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND METHOD FOR CHECKING OPTICAL CONNECT...
- Publication number 20170250752
- Publication date Aug 31, 2017
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE, METHOD FOR VERIFYING CONNECTION, AND W...
- Publication number 20160315701
- Publication date Oct 27, 2016
- Fujitsu Limited
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20160094305
- Publication date Mar 31, 2016
- Fujitsu Limited
- Makoto YAMASHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD
- Publication number 20150132009
- Publication date May 14, 2015
- FUJITSU LIMITED
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LIGHT RECEIVING CIRCUIT AND BANDWIDTH CONTROL METHOD
- Publication number 20120251102
- Publication date Oct 4, 2012
- Fujitsu Limited
- Yoshikazu TERAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL LIGHT MONITORING APPARATUS, OPTICAL AMPLIFICATION APPARATUS...
- Publication number 20120230682
- Publication date Sep 13, 2012
- FUJITSU LIMITED
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM, MEASURING APPARATUS, TRANSMITTING APPARATUS,...
- Publication number 20120128351
- Publication date May 24, 2012
- FUJITSU LIMITED
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTING APPARATUS, OPTICAL RECEIVING APPARATUS, AND OP...
- Publication number 20120082465
- Publication date Apr 5, 2012
- FUJITSU LIMITED
- Yuichi AKIYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DISPERSION COMPENSATING APPARATUS, DISPERSION COMPENSATING METHOD,...
- Publication number 20100303459
- Publication date Dec 2, 2010
- FUJITSU LIMITED
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Input signal detection device
- Publication number 20100284689
- Publication date Nov 11, 2010
- FUJITSU LIMITED
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization multiplexed light transmitter and control method threof
- Publication number 20100067914
- Publication date Mar 18, 2010
- FUJITSU LIMITED
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROL APPARATUS, POLARIZATION MULTIPLEXING LIGHT MODULATOR, LIGHT...
- Publication number 20100054738
- Publication date Mar 4, 2010
- FUJITSU LIMITED
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization multiplexed optical transmitting and receiving apparatus
- Publication number 20090274469
- Publication date Nov 5, 2009
- FUJITSU LIMITED
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL LIGHT MONITORING APPARATUS, OPTICAL AMPLIFICATION APPARATUS...
- Publication number 20080266648
- Publication date Oct 30, 2008
- FUJITSU LIMITED
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL DEVICE AND OPTICAL MODULATION METHOD
- Publication number 20080170864
- Publication date Jul 17, 2008
- FUJITSU LIMITED
- Masato NISHIHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmitter
- Publication number 20070264028
- Publication date Nov 15, 2007
- FUJITSU LIMITED
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization scrambler, optical add/drop multiplexer, optical route...
- Publication number 20070248361
- Publication date Oct 25, 2007
- FUJITSU LIMITED
- Kentaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTING APPARATUS, OPTICAL RECEIVING APPARATUS, AND OP...
- Publication number 20060263098
- Publication date Nov 23, 2006
- FUJITSU LIMITED
- Yuichi AKIYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical network system
- Publication number 20060029391
- Publication date Feb 9, 2006
- FUJITSU LIMITED
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Raman amplifier and optical transmission system using the same
- Publication number 20040190120
- Publication date Sep 30, 2004
- FUJITSU LIMITED
- Kenichi Torii
- H01 - BASIC ELECTRIC ELEMENTS

Masahiro Yuki

Person

Patents Grantslast 30 patents

Transmission system, transmission device, and transmission method

Apparatus and adding and dropping method

Transmission system, transmission device, and transmission method

Transmitting device and transmission system

Optical transfer system, control device, optical transfer method, a...

Optical transmission device and optical signal gain control method

Device and method for transmitting wavelength division multiplexed...

Optical transmission device and method for checking optical connect...

Optical transmission apparatus and optical transmission system

Optical transmission device and optical transmission method

Communication system, measuring apparatus, transmitting apparatus,...

Optical transmitting apparatus, optical receiving apparatus, and op...

Signal light monitoring apparatus, optical amplification apparatus...

Control apparatus, polarization multiplexing light modulator, light...

Optical device and optical modulation method

Dispersion compensating apparatus, dispersion compensating method,...

Polarization multiplexed light transmitter and control method thereof

Signal light monitoring apparatus, optical amplification apparatus...

Polarization multiplexed optical transmitting and receiving apparatus

Input signal detection device

Optical transmitting apparatus, optical receiving apparatus, and op...

Optical transmitter

Optical network system

Polarization scrambler, optical add/drop multiplexer, optical route...

Raman amplifier and optical transmission system using the same

Patents Applicationslast 30 patents

APPARATUS AND ADDING AND DROPPING METHOD

TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD

TRANSMITTING DEVICE AND TRANSMISSION SYSTEM

TRANSMISSION SYSTEM, TRANSMISSION DEVICE, AND TRANSMISSION METHOD

OPTICAL TRANSFER SYSTEM, CONTROL DEVICE, OPTICAL TRANSFER METHOD, A...

OPTICAL TRANSMISSION DEVICE AND OPTICAL SIGNAL GAIN CONTROL METHOD

DEVICE AND METHOD FOR TRANSMITTING WAVELENGTH DIVISION MULTIPLEXED...

OPTICAL TRANSMISSION DEVICE AND METHOD FOR CHECKING OPTICAL CONNECT...

OPTICAL TRANSMISSION DEVICE, METHOD FOR VERIFYING CONNECTION, AND W...

OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION SYSTEM

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD

LIGHT RECEIVING CIRCUIT AND BANDWIDTH CONTROL METHOD

SIGNAL LIGHT MONITORING APPARATUS, OPTICAL AMPLIFICATION APPARATUS...

COMMUNICATION SYSTEM, MEASURING APPARATUS, TRANSMITTING APPARATUS,...

OPTICAL TRANSMITTING APPARATUS, OPTICAL RECEIVING APPARATUS, AND OP...

DISPERSION COMPENSATING APPARATUS, DISPERSION COMPENSATING METHOD,...

Input signal detection device

Polarization multiplexed light transmitter and control method threof

CONTROL APPARATUS, POLARIZATION MULTIPLEXING LIGHT MODULATOR, LIGHT...

Polarization multiplexed optical transmitting and receiving apparatus

SIGNAL LIGHT MONITORING APPARATUS, OPTICAL AMPLIFICATION APPARATUS...

OPTICAL DEVICE AND OPTICAL MODULATION METHOD

Optical transmitter

Polarization scrambler, optical add/drop multiplexer, optical route...

OPTICAL TRANSMITTING APPARATUS, OPTICAL RECEIVING APPARATUS, AND OP...

Optical network system

Raman amplifier and optical transmission system using the same