Hiroshi Onaka

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical communication apparatus and optical add/drop apparatus
- Patent number 8,521,039
- Issue date Aug 27, 2013
- Fujitsu Limited
- Hideyuki Miyata
- 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 communication apparatus and optical add/drop apparatus
- Patent number 7,953,329
- Issue date May 31, 2011
- Fujitsu Limited
- Hideyuki Miyata
- 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
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 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
Encryption method, cryptogram decoding method, encryptor, cryptogra...
- Patent number 7,822,204
- Issue date Oct 26, 2010
- Fujitsu Limited
- Setsuo Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion monitoring method and chromatic dispersion mon...
- Patent number 7,769,299
- Issue date Aug 3, 2010
- Fujitsu Limited
- Hiroki Ooi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier and optical monitor circuit
- Patent number 7,688,498
- Issue date Mar 30, 2010
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical waveform shaper
- Patent number 7,631,378
- Issue date Dec 15, 2009
- Fujitsu Limited
- Kazuo Hironishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver and optical receiving method corresponding to diff...
- Patent number 7,606,504
- Issue date Oct 20, 2009
- Fujitsu Limited
- Hiroshi Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication apparatus and optical add/drop apparatus
- Patent number 7,577,368
- Issue date Aug 18, 2009
- Fujitsu Limited
- Hideyuki Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for transmitting information in an optical commun...
- Patent number 7,483,639
- Issue date Jan 27, 2009
- Fujitsu Limited
- Takeshi Hoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Encryption method, cryptogram decoding method, encryptor, cryptogra...
- Patent number 7,471,790
- Issue date Dec 30, 2008
- Fujitsu Limited
- Setsuo Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical node device and system including the device
- Patent number 7,433,600
- Issue date Oct 7, 2008
- Fujitsu Limited
- Toru Katagiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device
- Patent number 7,406,262
- Issue date Jul 29, 2008
- Fujitsu Limited
- Goji Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication apparatus and optical add/drop apparatus
- Patent number 7,389,054
- Issue date Jun 17, 2008
- Fujitsu Limited
- Hideyuki Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control method and control apparatus of optical device
- Patent number 7,362,925
- Issue date Apr 22, 2008
- Fujitsu Limited
- Hideyuki Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selected-wavelength tuning filter and optical add/drop multiplexer
- Patent number 7,292,787
- Issue date Nov 6, 2007
- Fujitsu Limited
- Yutaka Kai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication apparatus, system, and method that properly c...
- Patent number 7,200,333
- Issue date Apr 3, 2007
- Fujitsu Limited
- Toru Katagiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for communicating a clock signal over an optical...
- Patent number 7,200,338
- Issue date Apr 3, 2007
- Fujitsu Limited
- Hiroshi Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light branching/inserting apparatus and light branching apparatus u...
- Patent number 7,142,785
- Issue date Nov 28, 2006
- Fujitsu Limited
- Kazue Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical multiplexing method and optical multiplexer, and optical am...
- Patent number 7,127,139
- Issue date Oct 24, 2006
- Fujitsu Limited
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acousto-optical tunable filters cascaded together
- Patent number 7,116,907
- Issue date Oct 3, 2006
- Fujitsu Limited
- Tadao Nakazawa
- G02 - OPTICS
Information Patent Grant
Wavelength division multiplexing optical communication system
- Patent number 7,088,922
- Issue date Aug 8, 2006
- Fujitsu Limited
- Hiroaki Tomofuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for demultiplexing non-intensity modulated wavele...
- Patent number 7,035,543
- Issue date Apr 25, 2006
- Fujitsu Limited
- Takeshi Hoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission apparatus and method which adjust rise and fal...
- Patent number 7,020,399
- Issue date Mar 28, 2006
- Fujitsu Limited
- Hideyuki Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication apparatus and optical add/drop apparatus
- Patent number 7,006,771
- Issue date Feb 28, 2006
- Fujitsu Limited
- Hideyuki Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable optical filter and optical transmission system using same,...
- Patent number 6,978,064
- Issue date Dec 20, 2005
- Fujitsu Limited
- Setsuo Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for communicating a clock signal over an optical...
- Patent number 6,941,078
- Issue date Sep 6, 2005
- Fujitsu Limited
- Hiroshi Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL COMMUNICATION APPARATUS AND OPTICAL ADD/DROP APPARATUS
- Publication number 20110211830
- Publication date Sep 1, 2011
- FUJITSU LIMITED
- Hideyuki Miyata
- 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
OPTICAL COMMUNICATION APPARATUS AND OPTICAL ADD/DROP APPARATUS
- Publication number 20090297168
- Publication date Dec 3, 2009
- FUJITSU LIMITED
- Hideyuki Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and System for Transmitting Information in an Optical Commun...
- Publication number 20090136229
- Publication date May 28, 2009
- Fujitsu Network Communications, Inc.
- Takeshi Hoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION APPARATUS AND OPTICAL ADD/DROP APPARATUS
- Publication number 20080095543
- Publication date Apr 24, 2008
- FUJITSU LIMITED
- Hideyuki Miyata
- 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
Encryption method, cryptogram decoding method, encryptor, cryptogra...
- Publication number 20080044011
- Publication date Feb 21, 2008
- FUJITSU LIMITED
- Setsuo Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Encryption method, cryptogram decoding method, encryptor, cryptogra...
- Publication number 20070183593
- Publication date Aug 9, 2007
- Fujitsu Limited and Osamu HIROTA
- Setsuo Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Chromatic dispersion monitoring method and chromatic dispersion mon...
- Publication number 20070177876
- Publication date Aug 2, 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
Optical transmitting apparatus and optical communication system
- Publication number 20070065161
- Publication date Mar 22, 2007
- FUJITSU LIMITED
- Akira Miura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for transmitting information in an optical commun...
- Publication number 20070053692
- Publication date Mar 8, 2007
- Takeshi Hoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical receiver and optical receiving method corresponding to diff...
- Publication number 20060280510
- Publication date Dec 14, 2006
- FUJITSU LIMITED
- Hiroshi Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier and optical monitor circuit
- Publication number 20060024063
- Publication date Feb 2, 2006
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Control method and control apparatus of optical device
- Publication number 20050226550
- Publication date Oct 13, 2005
- FUJITSU LIMITED
- Hideyuki Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical waveform shaper
- Publication number 20050220388
- Publication date Oct 6, 2005
- FUJITSU LIMITED
- Kazuo Hironishi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and system for communicating a clock signal over an optical...
- Publication number 20050207760
- Publication date Sep 22, 2005
- Fujitsu Limited, a Japanese corporation
- Hiroshi Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical multiplexing method and optical multiplexer, and optical am...
- Publication number 20050185885
- Publication date Aug 25, 2005
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission device
- Publication number 20050169633
- Publication date Aug 4, 2005
- FUJITSU LIMITED
- Goji Nakagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission apparatus and an optical wavelength multiplex...
- Publication number 20040184809
- Publication date Sep 23, 2004
- Fujitsu Limited
- Hideyuki Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mach-zehnder interferometer type optical filter and control method...
- Publication number 20040160665
- Publication date Aug 19, 2004
- FUJITSU LIMITED
- Ken-ichi Nakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Variable optical filter and optical transmission system using same,...
- Publication number 20040135172
- Publication date Jul 15, 2004
- FUJITSU LIMITED
- Setsuo Yoshida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical communication apparatus, system, and method that properly c...
- Publication number 20040001715
- Publication date Jan 1, 2004
- FUJITSU LIMITED
- Toru Katagiri
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical ring network system having a plurality of node apparatuses...
- Publication number 20030228148
- Publication date Dec 11, 2003
- FUJITSU LIMITED
- Hideyuki Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength division multiplexing optical communication system
- Publication number 20030215233
- Publication date Nov 20, 2003
- FUJITSU LIMITED
- Hiroaki Tomofuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical communication apparatus and optical add/drop apparatus
- Publication number 20030210915
- Publication date Nov 13, 2003
- FUJITSU LIMITED
- Hideyuki Miyata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Variable optical attenuator which applies a magnetic field to a far...
- Publication number 20030210451
- Publication date Nov 13, 2003
- FUJITSU LIMITED
- Hiroshi Onaka
- G02 - OPTICS
Information Patent Application
Variable wavelength light source apparatus and optical amplifier us...
- Publication number 20030206336
- Publication date Nov 6, 2003
- FUJITSU LIMITED
- Miki Onaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength-selectable laser capable of high-speed frequency control
- Publication number 20030179790
- Publication date Sep 25, 2003
- FUJITSU LIMITED
- Martin Bouda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light branching/inserting apparatus and light branching apparatus u...
- Publication number 20030138254
- Publication date Jul 24, 2003
- FUJITSU LIMITED
- Kazue Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hiroshi Onaka

Person

Patents Grantslast 30 patents

Optical communication apparatus and optical add/drop apparatus

Optical transmission apparatus, wavelength division multiplexing op...

Optical communication apparatus and optical add/drop apparatus

Dispersion compensating apparatus and dispersion compensation contr...

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

Optical transmitting apparatus and optical communication system

Encryption method, cryptogram decoding method, encryptor, cryptogra...

Chromatic dispersion monitoring method and chromatic dispersion mon...

Optical amplifier and optical monitor circuit

Optical waveform shaper

Optical receiver and optical receiving method corresponding to diff...

Optical communication apparatus and optical add/drop apparatus

Method and system for transmitting information in an optical commun...

Encryption method, cryptogram decoding method, encryptor, cryptogra...

Optical node device and system including the device

Optical transmission device

Optical communication apparatus and optical add/drop apparatus

Control method and control apparatus of optical device

Selected-wavelength tuning filter and optical add/drop multiplexer

Optical communication apparatus, system, and method that properly c...

Method and system for communicating a clock signal over an optical...

Light branching/inserting apparatus and light branching apparatus u...

Optical multiplexing method and optical multiplexer, and optical am...

Acousto-optical tunable filters cascaded together

Wavelength division multiplexing optical communication system

Method and system for demultiplexing non-intensity modulated wavele...

Optical transmission apparatus and method which adjust rise and fal...

Optical communication apparatus and optical add/drop apparatus

Variable optical filter and optical transmission system using same,...

Method and system for communicating a clock signal over an optical...

Patents Applicationslast 30 patents

OPTICAL COMMUNICATION APPARATUS AND OPTICAL ADD/DROP APPARATUS

OPTICAL TRANSMISSION APPARATUS, WAVELENGTH DIVISION MULTIPLEXING OP...

OPTICAL COMMUNICATION APPARATUS AND OPTICAL ADD/DROP APPARATUS

Method and System for Transmitting Information in an Optical Commun...

OPTICAL COMMUNICATION APPARATUS AND OPTICAL ADD/DROP APPARATUS

Dispersion compensating apparatus and dispersion compensation contr...

Encryption method, cryptogram decoding method, encryptor, cryptogra...

Encryption method, cryptogram decoding method, encryptor, cryptogra...

Chromatic dispersion monitoring method and chromatic dispersion mon...

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

Optical transmitting apparatus and optical communication system

Method and system for transmitting information in an optical commun...

Optical receiver and optical receiving method corresponding to diff...

Optical amplifier and optical monitor circuit

Control method and control apparatus of optical device

Optical waveform shaper

Method and system for communicating a clock signal over an optical...

Optical multiplexing method and optical multiplexer, and optical am...

Optical transmission device

Optical transmission apparatus and an optical wavelength multiplex...

Mach-zehnder interferometer type optical filter and control method...

Variable optical filter and optical transmission system using same,...

Optical communication apparatus, system, and method that properly c...

Optical ring network system having a plurality of node apparatuses...

Wavelength division multiplexing optical communication system

Optical communication apparatus and optical add/drop apparatus

Variable optical attenuator which applies a magnetic field to a far...

Variable wavelength light source apparatus and optical amplifier us...

Wavelength-selectable laser capable of high-speed frequency control

Light branching/inserting apparatus and light branching apparatus u...