George Ishikawa

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical amplification apparatus
- Patent number 9,019,593
- Issue date Apr 28, 2015
- Fujitsu Limited
- Setsuo Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Repeater, relay method and optical transmission system
- Patent number 8,965,219
- Issue date Feb 24, 2015
- Fujitsu Limited
- Kyosuke Sone
- 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
Terminal apparatus, data transmission system and data transmission...
- Patent number 8,571,058
- Issue date Oct 29, 2013
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Relay apparatus, signal processing apparatus and optical communicat...
- Patent number 8,463,135
- Issue date Jun 11, 2013
- Fujitsu Limited
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus
- Patent number 8,320,772
- Issue date Nov 27, 2012
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system and method for chromatic dispersion com...
- Patent number 8,265,485
- Issue date Sep 11, 2012
- Fujitsu Limited
- Kantaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus, wavelength division multiplexing op...
- Patent number 8,213,798
- Issue date Jul 3, 2012
- Fujitsu Limited
- Hiroki Ooi
- 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
Chromatic dispersion compensating apparatus
- Patent number 7,936,993
- Issue date May 3, 2011
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus
- Patent number 7,925,171
- Issue date Apr 12, 2011
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dispersion compensation method and compensation node
- Patent number 7,885,545
- Issue date Feb 8, 2011
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Interferometer for demodulating differential M-phase shift keying s...
- Patent number 7,860,408
- Issue date Dec 28, 2010
- Fujitsu Limited
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal regeneration device, optical receiver, and signal processing...
- Patent number 7,853,152
- Issue date Dec 14, 2010
- Fujitsu Limited
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion compensating apparatus
- Patent number 7,751,706
- Issue date Jul 6, 2010
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal degradation compensator
- Patent number 7,616,900
- Issue date Nov 10, 2009
- Fujitsu Limited
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing optical repeating transmission met...
- Patent number 7,616,893
- Issue date Nov 10, 2009
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization mode dispersion compensator and polarization mode disp...
- Patent number 7,613,366
- Issue date Nov 3, 2009
- Fujitsu Limited
- Jens C. Rasmussen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength division multiplexing optical transmission system and wa...
- Patent number 7,613,397
- Issue date Nov 3, 2009
- Fujitsu Limited
- Kentaro Nakamura
- 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
Wavelength division multiplexing transmission system
- Patent number 7,480,459
- Issue date Jan 20, 2009
- Fujitsu Limited
- Kentaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion compensating apparatus
- Patent number 7,466,920
- Issue date Dec 16, 2008
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic dispersion compensation device and compensation method
- Patent number 7,433,599
- Issue date Oct 7, 2008
- Fujitsu Limited
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion compensation controlling system
- Patent number 7,389,049
- Issue date Jun 17, 2008
- Fujitsu Limited
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiving station, optical communication system, and disper...
- Patent number 7,321,736
- Issue date Jan 22, 2008
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System for compensating for chromatic dispersion and polarization m...
- Patent number 7,218,856
- Issue date May 15, 2007
- Fujitsu Limited
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization-mode dispersion detecting method, and a dispersion com...
- Patent number 7,035,548
- Issue date Apr 25, 2006
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization mode dispersion compensator based on degree of polariz...
- Patent number 7,030,973
- Issue date Apr 18, 2006
- Fujitsu Limited
- Jens C. Rasmussen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiving station, optical communication system, and disper...
- Patent number 7,006,770
- Issue date Feb 28, 2006
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
REPEATER, RELAY METHOD AND OPTICAL TRANSMISSION SYSTEM
- Publication number 20130028599
- Publication date Jan 31, 2013
- Fujitsu Limited
- Kyosuke SONE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFICATION APPARATUS
- Publication number 20120257272
- Publication date Oct 11, 2012
- Fujitsu Limited
- Setsuo YOSHIDA
- 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
OPTICAL TRANSMISSION APPARATUS
- Publication number 20110176816
- Publication date Jul 21, 2011
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TERMINAL APPARATUS, DATA TRANSMISSION SYSTEM AND DATA TRANSMISSION...
- Publication number 20110116803
- Publication date May 19, 2011
- Fujitsu Limited
- Kyosuke SONE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RELAY APPARATUS, SIGNAL PROCESSING APPARATUS AND OPTICAL COMMUNICAT...
- Publication number 20100266293
- Publication date Oct 21, 2010
- FUJITSU LIMITED
- Kyosuke Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS, WAVELENGTH DIVISION MULTIPLEXING OP...
- Publication number 20100221013
- Publication date Sep 2, 2010
- FUJITSU LIMITED
- Hiroki OOI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Chromatic dispersion compensating apparatus
- Publication number 20100135664
- Publication date Jun 3, 2010
- FUJITSU LIMITED
- Hiroki Ooi
- 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
OPTICAL TRANSMISSION SYSTEM AND METHOD FOR CHROMATIC DISPERSION COM...
- Publication number 20090238571
- Publication date Sep 24, 2009
- FUJITSU LIMITED
- Kentaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Chromatic dispersion compensating apparatus
- Publication number 20090080894
- Publication date Mar 26, 2009
- Fujitsu Limited
- Hiroki Ooi
- 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
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 transmission apparatus
- Publication number 20070212079
- Publication date Sep 13, 2007
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Interferometer for demodulating differential M-phase shift keying s...
- Publication number 20070177151
- Publication date Aug 2, 2007
- FUJITSU LIMITED
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal regeneration device, optical receiver, and signal processing...
- Publication number 20070127929
- Publication date Jun 7, 2007
- FUJITSU LIMITED
- Masato Nishihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization mode dispersion compensator and polarization mode disp...
- Publication number 20070110451
- Publication date May 17, 2007
- Jens C. Rasmussen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical receiving station, optical communication system, and disper...
- Publication number 20060115278
- Publication date Jun 1, 2006
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dispersion compensation method and compensation node apparatus
- Publication number 20050226629
- Publication date Oct 13, 2005
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplexing optical transmission system and wa...
- Publication number 20050213987
- Publication date Sep 29, 2005
- FUJITSU LIMITED
- Kentaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal degradation compensator
- Publication number 20050201758
- Publication date Sep 15, 2005
- FUJITSU LIMITED
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dispersion compensation apparatus including a fixed dispersion comp...
- Publication number 20050185964
- Publication date Aug 25, 2005
- FUJITSU LIMITED
- George Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System for compensating for chromatic dispersion and polarization m...
- Publication number 20050078964
- Publication date Apr 14, 2005
- FUJITSU LIMITED
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplexing transmission system
- Publication number 20050041975
- Publication date Feb 24, 2005
- FUJITSU LIMITED
- Kentaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Chromatic dispersion compensation controlling system
- Publication number 20040213578
- Publication date Oct 28, 2004
- FUJITSU LIMITED
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplexing optical repeating transmission met...
- Publication number 20040184814
- Publication date Sep 23, 2004
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization-mode dispersion detecting method, and a dispersion com...
- Publication number 20040161243
- Publication date Aug 19, 2004
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Adaptively controllable polarization mode dispersion compensator
- Publication number 20040131298
- Publication date Jul 8, 2004
- FUJITSU LIMITED
- Jens C. Rasmussen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization mode dispersion compensator based on degree of polariz...
- Publication number 20040124344
- Publication date Jul 1, 2004
- FUJITSU LIMITED
- Jens C. Rasmussen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic dispersion compensation device and compensation method
- Publication number 20030223760
- Publication date Dec 4, 2003
- FUJITSU LIMITED of Kawasaki
- Tomoo Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

George Ishikawa

Person

Patents Grantslast 30 patents

Optical amplification apparatus

Repeater, relay method and optical transmission system

Signal light monitoring apparatus, optical amplification apparatus...

Terminal apparatus, data transmission system and data transmission...

Relay apparatus, signal processing apparatus and optical communicat...

Optical transmission apparatus

Optical transmission system and method for chromatic dispersion com...

Optical transmission apparatus, wavelength division multiplexing op...

Signal light monitoring apparatus, optical amplification apparatus...

Polarization multiplexed optical transmitting and receiving apparatus

Chromatic dispersion compensating apparatus

Optical transmission apparatus

Dispersion compensation method and compensation node

Interferometer for demodulating differential M-phase shift keying s...

Signal regeneration device, optical receiver, and signal processing...

Chromatic dispersion compensating apparatus

Optical signal degradation compensator

Wavelength division multiplexing optical repeating transmission met...

Polarization mode dispersion compensator and polarization mode disp...

Wavelength division multiplexing optical transmission system and wa...

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

Wavelength division multiplexing transmission system

Chromatic dispersion compensating apparatus

Automatic dispersion compensation device and compensation method

Chromatic dispersion compensation controlling system

Optical receiving station, optical communication system, and disper...

System for compensating for chromatic dispersion and polarization m...

Polarization-mode dispersion detecting method, and a dispersion com...

Polarization mode dispersion compensator based on degree of polariz...

Optical receiving station, optical communication system, and disper...

Patents Applicationslast 30 patents

REPEATER, RELAY METHOD AND OPTICAL TRANSMISSION SYSTEM

OPTICAL AMPLIFICATION APPARATUS

SIGNAL LIGHT MONITORING APPARATUS, OPTICAL AMPLIFICATION APPARATUS...

OPTICAL TRANSMISSION APPARATUS

TERMINAL APPARATUS, DATA TRANSMISSION SYSTEM AND DATA TRANSMISSION...

RELAY APPARATUS, SIGNAL PROCESSING APPARATUS AND OPTICAL COMMUNICAT...

OPTICAL TRANSMISSION APPARATUS, WAVELENGTH DIVISION MULTIPLEXING OP...

Chromatic dispersion compensating apparatus

Polarization multiplexed optical transmitting and receiving apparatus

OPTICAL TRANSMISSION SYSTEM AND METHOD FOR CHROMATIC DISPERSION COM...

Chromatic dispersion compensating apparatus

SIGNAL LIGHT MONITORING APPARATUS, OPTICAL AMPLIFICATION APPARATUS...

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

Optical transmission apparatus

Interferometer for demodulating differential M-phase shift keying s...

Signal regeneration device, optical receiver, and signal processing...

Polarization mode dispersion compensator and polarization mode disp...

Optical receiving station, optical communication system, and disper...

Dispersion compensation method and compensation node apparatus

Wavelength division multiplexing optical transmission system and wa...

Optical signal degradation compensator

Dispersion compensation apparatus including a fixed dispersion comp...

System for compensating for chromatic dispersion and polarization m...

Wavelength division multiplexing transmission system

Chromatic dispersion compensation controlling system

Wavelength division multiplexing optical repeating transmission met...

Polarization-mode dispersion detecting method, and a dispersion com...

Adaptively controllable polarization mode dispersion compensator

Polarization mode dispersion compensator based on degree of polariz...

Automatic dispersion compensation device and compensation method