Hiroki Ooi

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Mitigation of spectral offset in an optical filter
- Patent number 9,515,733
- Issue date Dec 6, 2016
- Fujitsu Limited
- Youichi Akasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
In-band optical signal-to-noise ratio monitor
- Patent number 9,515,727
- Issue date Dec 6, 2016
- Fujitsu Limited
- Jeng-Yuan Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Correction table for interferometric optical signal-to-noise ratio...
- Patent number 9,270,369
- Issue date Feb 23, 2016
- Fujitsu Limited
- Jeng-Yuan Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual-polarization interferometric optical signal-to-noise ratio mon...
- Patent number 9,112,605
- Issue date Aug 18, 2015
- Fujitsu Limited
- Jeng-Yuan Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier with feedback to obtain set gain and gain tilt
- Patent number 9,065,570
- Issue date Jun 23, 2015
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical adding and dropping device and optical transmission apparatus
- Patent number 8,958,695
- Issue date Feb 17, 2015
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network interconnect device
- Patent number 8,948,593
- Issue date Feb 3, 2015
- Fujitsu Limited
- Hiroki Ooi
- 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
Wavelength selective switch and optical transmission apparatus
- Patent number 8,849,113
- Issue date Sep 30, 2014
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitter, optical transmission method, and wavelength-se...
- Patent number 8,625,996
- Issue date Jan 7, 2014
- Fujitsu Limited
- Toshiki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal processing apparatus
- Patent number 8,331,779
- Issue date Dec 11, 2012
- Fujitsu Limited
- Hiroki Ooi
- 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
Dispersion compensating apparatus and dispersion compensating method
- Patent number 8,306,430
- Issue date Nov 6, 2012
- Fujitsu Limited
- Akira Miura
- G02 - OPTICS
Information Patent Grant
Optical transmission apparatus
- Patent number 8,295,703
- Issue date Oct 23, 2012
- Fujitsu Limited
- Akira Miura
- 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
Optical transmission apparatus
- Patent number 8,200,092
- Issue date Jun 12, 2012
- Fujitsu Limited
- Akira Miura
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
Transmission system and transmission method
- Patent number 7,983,564
- Issue date Jul 19, 2011
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control apparatus and control method for optical modulator
- Patent number 7,945,173
- Issue date May 17, 2011
- Fujitsu Limited
- Yuichi Akiyama
- 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 cross-connect using wavelength selective switches
- Patent number 7,933,519
- Issue date Apr 26, 2011
- Fujitsu Limited
- Yuichi Akiyama
- 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
Dispersion compensating apparatus and dispersion compensation contr...
- Patent number 7,869,715
- Issue date Jan 11, 2011
- Fujitsu Limited
- Hiroki Ooi
- 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 transmitting apparatus and optical communication system
- Patent number 7,848,659
- Issue date Dec 7, 2010
- Fujitsu Limited
- Akira Miura
- 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 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 transmitter
- Patent number 7,778,553
- Issue date Aug 17, 2010
- Fujitsu Limited
- Masahiro Yuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
IN-BAND OPTICAL SIGNAL-TO-NOISE RATIO MONITOR
- Publication number 20160261340
- Publication date Sep 8, 2016
- Fujitsu Limited
- Jeng-Yuan Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MITIGATION OF SPECTRAL OFFSET IN AN OPTICAL FILTER
- Publication number 20160261343
- Publication date Sep 8, 2016
- Fujitsu Limited
- Youichi Akasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CORRECTION TABLE FOR INTERFEROMETRIC OPTICAL SIGNAL-TO-NOISE RATION...
- Publication number 20150200724
- Publication date Jul 16, 2015
- FUJITSU LIMITED
- Jeng-Yuan Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DUAL-POLARIZATION INTERFEROMETRIC OPTICAL SIGNAL-TO-NOISE RATIO MON...
- Publication number 20140369678
- Publication date Dec 18, 2014
- Jeng-Yuan Yang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH SELECTIVE SWITCH AND OPTICAL TRANSMISSION APPARATUS
- Publication number 20120237219
- Publication date Sep 20, 2012
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFICATION APPARATUS
- Publication number 20120188631
- Publication date Jul 26, 2012
- Fujitsu Limited
- Norifumi SHUKUNAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER, OPTICAL TRANSMISSION METHOD, AND WAVELENGTH-SE...
- Publication number 20120170928
- Publication date Jul 5, 2012
- FUJITSU LIMITED
- Toshiki TANAKA
- 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
OPTICAL NETWORK INTERCONNECT DEVICE
- Publication number 20120082454
- Publication date Apr 5, 2012
- Fujitsu Limited
- Hiroki Ooi
- 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
Optical transmission system, optical transmission equipment, and ch...
- Publication number 20110058820
- Publication date Mar 10, 2011
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Control apparatus and control method for optical modulator
- Publication number 20100254716
- Publication date Oct 7, 2010
- FUJITSU LIMITED
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal processing apparatus
- Publication number 20100221002
- Publication date Sep 2, 2010
- FUJITSU LIMITED
- Hiroki Ooi
- 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
Optical transmission apparatus
- Publication number 20100028007
- Publication date Feb 4, 2010
- FUJITSU LIMITED
- Akira Miura
- 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
OPTICAL ADDING AND DROPPING DEVICE AND OPTICAL TRANSMISSION APPARATUS
- Publication number 20090220242
- Publication date Sep 3, 2009
- FUJITSU LIMITED
- Hiroki OOI
- 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
Dispersion compensating apparatus and dispersion compensating method
- Publication number 20090080901
- Publication date Mar 26, 2009
- FUJITSU LIMITED
- Akira Miura
- G02 - OPTICS
Information Patent Application
DISPERSION COMPENSATION CONTROLLING APPARATUS AND METHOD FOR SEARCH...
- Publication number 20090080902
- Publication date Mar 26, 2009
- FUJITSU LIMITED
- Kiyotoshi NOHEJI
- 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
QUADRATURE PHASE-SHIFT KEYING MODULATOR AND PHASE SHIFT AMOUNT CONT...
- Publication number 20090047028
- Publication date Feb 19, 2009
- FUJITSU LIMITED
- Takafumi TERAHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Control apparatus and control method for optical modulator
- Publication number 20090034988
- Publication date Feb 5, 2009
- FUJITSU LIMITED
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission system and transmission method
- Publication number 20080199182
- Publication date Aug 21, 2008
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical cross-connect using wavelength selective switches
- Publication number 20080138068
- Publication date Jun 12, 2008
- FUJITSU LIMITED
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Dispersion compensating apparatus and dispersion compensation contr...
- Publication number 20080056710
- Publication date Mar 6, 2008
- FUJITSU LIMITED
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus having OADM function
- Publication number 20080056715
- Publication date Mar 6, 2008
- FUJITSU LIMITED
- Yuichi Akiyama
- 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

Person

Patents Grantslast 30 patents

Mitigation of spectral offset in an optical filter

In-band optical signal-to-noise ratio monitor

Correction table for interferometric optical signal-to-noise ratio...

Dual-polarization interferometric optical signal-to-noise ratio mon...

Optical amplifier with feedback to obtain set gain and gain tilt

Optical adding and dropping device and optical transmission apparatus

Optical network interconnect device

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

Wavelength selective switch and optical transmission apparatus

Optical transmitter, optical transmission method, and wavelength-se...

Optical signal processing apparatus

Optical transmission apparatus

Dispersion compensating apparatus and dispersion compensating method

Optical transmission apparatus

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

Optical transmission apparatus, wavelength division multiplexing op...

Optical transmission apparatus

Optical add/drop multiplexer

Transmission system and transmission method

Control apparatus and control method for optical modulator

Chromatic dispersion compensating apparatus

Optical cross-connect using wavelength selective switches

Optical transmission apparatus

Dispersion compensation method and compensation node

Dispersion compensating apparatus and dispersion compensation contr...

Optical add/drop multiplexer

Optical transmitting apparatus and optical communication system

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

Optical add/drop multiplexer

Optical transmitter

Patents Applicationslast 30 patents

IN-BAND OPTICAL SIGNAL-TO-NOISE RATIO MONITOR

MITIGATION OF SPECTRAL OFFSET IN AN OPTICAL FILTER

CORRECTION TABLE FOR INTERFEROMETRIC OPTICAL SIGNAL-TO-NOISE RATION...

DUAL-POLARIZATION INTERFEROMETRIC OPTICAL SIGNAL-TO-NOISE RATIO MON...

WAVELENGTH SELECTIVE SWITCH AND OPTICAL TRANSMISSION APPARATUS

OPTICAL AMPLIFICATION APPARATUS

OPTICAL TRANSMITTER, OPTICAL TRANSMISSION METHOD, AND WAVELENGTH-SE...

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

OPTICAL NETWORK INTERCONNECT DEVICE

OPTICAL TRANSMISSION APPARATUS

Optical transmission system, optical transmission equipment, and ch...

Optical Add/Drop Multiplexer

Control apparatus and control method for optical modulator

Optical signal processing apparatus

OPTICAL TRANSMISSION APPARATUS, WAVELENGTH DIVISION MULTIPLEXING OP...

Chromatic dispersion compensating apparatus

Optical transmission apparatus

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

OPTICAL ADDING AND DROPPING DEVICE AND OPTICAL TRANSMISSION APPARATUS

Optical Add/Drop Multiplexer

Dispersion compensating apparatus and dispersion compensating method

DISPERSION COMPENSATION CONTROLLING APPARATUS AND METHOD FOR SEARCH...

Chromatic dispersion compensating apparatus

QUADRATURE PHASE-SHIFT KEYING MODULATOR AND PHASE SHIFT AMOUNT CONT...

Control apparatus and control method for optical modulator

Transmission system and transmission method

Optical cross-connect using wavelength selective switches

Dispersion compensating apparatus and dispersion compensation contr...

Optical transmission apparatus having OADM function

Optical transmitter