Akihiko Isomura

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical add/drop multiplexer
- Patent number 8,131,152
- Issue date Mar 6, 2012
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal transmission system and optical signal transmission...
- Patent number 7,933,522
- Issue date Apr 26, 2011
- Fujitsu Limited
- Jens Rasmussen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase monitor apparatus, phase control apparatus and methods thereo...
- Patent number 7,877,025
- Issue date Jan 25, 2011
- Fujitsu Limited
- Zhenning Tao
- 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
Optical add/drop multiplexer
- Patent number 7,853,148
- Issue date Dec 14, 2010
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical add/drop multiplexer
- Patent number 7,792,428
- Issue date Sep 7, 2010
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical node and optical add/drop multiplexer
- Patent number 7,711,270
- Issue date May 4, 2010
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical reception apparatus compatible with DQPSK polarization mult...
- Patent number 7,689,074
- Issue date Mar 30, 2010
- Fujitsu Limited
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase control apparatus and optical DQPSK receiver
- Patent number 7,684,713
- Issue date Mar 23, 2010
- Fujitsu Limited
- Yoshikazu Terayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phase monitor used in optical receiver
- Patent number 7,676,162
- Issue date Mar 9, 2010
- Fujitsu Limited
- Akihiko Isomura
- 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
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
Optical transmitter
- Patent number 7,277,608
- Issue date Oct 2, 2007
- Fujitsu Limited
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical Add/Drop Multiplexer
- Publication number 20110038636
- Publication date Feb 17, 2011
- Fujitsu Limited
- Yuichi AKIYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Coherent optical receiver
- Publication number 20100278528
- Publication date Nov 4, 2010
- FUJITSU LIMITED
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical reception apparatus compatible with DQPSK polarization mult...
- Publication number 20090196610
- Publication date Aug 6, 2009
- FUJITSU LIMITED
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical Add/Drop Multiplexer
- Publication number 20090148166
- Publication date Jun 11, 2009
- FUJITSU LIMITED
- Yuichi AKIYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHASE MONITOR APPARATUS, PHASE CONTROL APPARATUS AND METHODS THEREO...
- Publication number 20090034967
- Publication date Feb 5, 2009
- Zhenning Tao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLARIZATION SCRAMBLER APPARATUS, TRANSMISSION APPARATUS, REPEATING...
- Publication number 20080158644
- Publication date Jul 3, 2008
- Fujitsu Limited
- Akihiko ISOMURA
- G02 - OPTICS
Information Patent Application
Optical signal processing apparatus, optical signal transmission sy...
- Publication number 20080107425
- Publication date May 8, 2008
- FUJITSU LIMITED
- Jens Rasmussen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Phase monitor used in optical receiver
- Publication number 20080056733
- Publication date Mar 6, 2008
- FUJITSU LIMITED
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Phase control apparatus and optical DQPSK receiver
- Publication number 20070292140
- Publication date Dec 20, 2007
- FUJITSU LIMITED
- Yoshikazu Terayama
- 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
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 transmitter
- Publication number 20070014513
- Publication date Jan 18, 2007
- FUJITSU LIMITED
- Akihiko Isomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization mode dispersion compensator and method thereof
- Publication number 20060245680
- Publication date Nov 2, 2006
- Jens C. Rasmussen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical node and optical add/drop multiplexer
- Publication number 20060140625
- Publication date Jun 29, 2006
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical add/drop multiplexer
- Publication number 20060034610
- Publication date Feb 16, 2006
- FUJITSU LIMITED
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Polarization mode dispersion compensation apparatus and method ther...
- Publication number 20060013592
- Publication date Jan 19, 2006
- FUJITSU LIMITED
- Akihiko Isomura
- 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

Akihiko Isomura

Person

Patents Grantslast 30 patents

Optical add/drop multiplexer

Optical signal transmission system and optical signal transmission...

Phase monitor apparatus, phase control apparatus and methods thereo...

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

Optical add/drop multiplexer

Optical add/drop multiplexer

Optical node and optical add/drop multiplexer

Optical reception apparatus compatible with DQPSK polarization mult...

Phase control apparatus and optical DQPSK receiver

Phase monitor used in optical receiver

Optical signal degradation compensator

Polarization mode dispersion compensator and polarization mode disp...

Optical transmitter

Patents Applicationslast 30 patents

Optical Add/Drop Multiplexer

Coherent optical receiver

Optical reception apparatus compatible with DQPSK polarization mult...

Optical Add/Drop Multiplexer

PHASE MONITOR APPARATUS, PHASE CONTROL APPARATUS AND METHODS THEREO...

POLARIZATION SCRAMBLER APPARATUS, TRANSMISSION APPARATUS, REPEATING...

Optical signal processing apparatus, optical signal transmission sy...

Phase monitor used in optical receiver

Phase control apparatus and optical DQPSK receiver

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

Polarization mode dispersion compensator and polarization mode disp...

Optical transmitter

Polarization mode dispersion compensator and method thereof

Optical node and optical add/drop multiplexer

Optical add/drop multiplexer

Polarization mode dispersion compensation apparatus and method ther...

Optical signal degradation compensator