Norifumi Shukunami

Person

Sapporo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fiber-optic communication apparatus, fiber-optic communication syst...
- Patent number 11,870,553
- Issue date Jan 9, 2024
- Fujitsu Limited
- Makoto Hasegawa
- G02 - OPTICS
Information Patent Grant
Optical coherent transceiver and filter adjustment method
- Patent number 11,855,703
- Issue date Dec 26, 2023
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Controller and control method for Raman amplifier
- Patent number 11,509,394
- Issue date Nov 22, 2022
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device, reception device, transmission method, and rec...
- Patent number 11,171,768
- Issue date Nov 9, 2021
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device, transmission system, and transmission method
- Patent number 11,018,762
- Issue date May 25, 2021
- Fujitsu Limited
- Makoto Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wavelength converter, wavelength conversion method, and transmissio...
- Patent number 10,634,974
- Issue date Apr 28, 2020
- Fujitsu Limited
- Norifumi Shukunami
- G02 - OPTICS
Information Patent Grant
Optical transmission apparatus, optical transmission method, and op...
- Patent number 10,608,775
- Issue date Mar 31, 2020
- Fujitsu Limited
- Shinji Komiya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmission apparatus and optical signal processing method
- Patent number 9,742,500
- Issue date Aug 22, 2017
- Fujitsu Limited
- Yoshito Kachita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switchable optical amplifier and optical transmission apparatus
- Patent number 9,699,531
- Issue date Jul 4, 2017
- Fujitsu Limited
- Norifumi Shukunami
- G02 - OPTICS
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
Optical amplifier with loss adjustment unit based on gain
- Patent number 9,520,694
- Issue date Dec 13, 2016
- Fujitsu Limited
- Yoshito Kachita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device and transmission method
- Patent number 9,444,572
- Issue date Sep 13, 2016
- Fujitsu Limited
- Tomohiro Kaneoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting device, communication system, and method for transmiss...
- Patent number 9,438,343
- Issue date Sep 6, 2016
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus, transmission system, and method of controll...
- Patent number 9,300,426
- Issue date Mar 29, 2016
- Fujitsu Limited
- Yoshinobu Matsukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplification apparatus, method for controlling same, optic...
- Patent number 9,166,679
- Issue date Oct 20, 2015
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and transmission system
- Patent number 9,093,816
- Issue date Jul 28, 2015
- Fujitsu Limited
- Norifumi Shukunami
- H01 - BASIC ELECTRIC ELEMENTS
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
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 channel monitor
- Patent number 8,983,298
- Issue date Mar 17, 2015
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bidirectional monitor module, optical module, optical add-drop mult...
- Patent number 8,971,700
- Issue date Mar 3, 2015
- Fujitsu Limited
- Takeshi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Excitation light source for raman amplification, raman amplifier, a...
- Patent number 8,947,767
- Issue date Feb 3, 2015
- Fujitsu Telecom Networks Limited
- Shota Mori
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical transmission apparatus
- Patent number 8,861,965
- Issue date Oct 14, 2014
- Fujitsu Limited
- Kentaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
OSNR measuring device and optical communication system
- Patent number 8,687,982
- Issue date Apr 1, 2014
- Fujitsu Limited
- Kentaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
OSNR monitor device and OSNR measurement device
- Patent number 8,655,170
- Issue date Feb 18, 2014
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gain and signal level adjustments of cascaded optical amplifiers
- Patent number 8,547,629
- Issue date Oct 1, 2013
- Fujitsu Limited
- Shinya Inagaki
- 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
Raman amplifier with signal modulated before stimulated brillouin s...
- Patent number 8,134,775
- Issue date Mar 13, 2012
- Fujitsu Limited
- Yuichi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for measuring nonlinear optical properties
- Patent number 8,068,275
- Issue date Nov 29, 2011
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gain and signal level adjustments of cascaded optical amplifiers
- Patent number 7,969,648
- Issue date Jun 28, 2011
- Fujitsu Limited
- Shinya Inagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multistage optical amplifier with gain control using pump ratio
- Patent number 7,929,201
- Issue date Apr 19, 2011
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL AMPLIFICATION APPARATUS AND OPTICAL AMPLIFICATION SYSTEM
- Publication number 20230187891
- Publication date Jun 15, 2023
- Fujitsu Limited
- Norifumi SHUKUNAMI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL COHERENT TRANSCEIVER AND FILTER ADJUSTMENT METHOD
- Publication number 20230045731
- Publication date Feb 9, 2023
- Fujitsu Limited
- Norifumi SHUKUNAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FIBER-OPTIC COMMUNICATION APPARATUS, FIBER-OPTIC COMMUNICATION SYST...
- Publication number 20220368447
- Publication date Nov 17, 2022
- Fujitsu Limited
- Makoto HASEGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CONTROLLER AND CONTROL METHOD FOR RAMAN AMPLIFIER
- Publication number 20220045755
- Publication date Feb 10, 2022
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD
- Publication number 20200389231
- Publication date Dec 10, 2020
- Fujitsu Limited
- Makoto HASEGAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE AND TRANSMISSION METHOD
- Publication number 20200382270
- Publication date Dec 3, 2020
- Fujitsu Limited
- Norifumi SHUKUNAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WAVELENGTH CONVERTER, WAVELENGTH CONVERSION METHOD, AND TRANSMISSIO...
- Publication number 20190353980
- Publication date Nov 21, 2019
- Fujitsu Limited
- Norifumi Shukunami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION METHOD, AND OP...
- Publication number 20190349113
- Publication date Nov 14, 2019
- Fujitsu Limited
- Shinji Komiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND OPTICAL SIGNAL PROCESSING METHOD
- Publication number 20160315709
- Publication date Oct 27, 2016
- Fujitsu Limited
- Yoshito KACHITA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SWITCHABLE OPTICAL AMPLIFIER AND OPTICAL TRANSMISSION APPARATUS
- Publication number 20160192043
- Publication date Jun 30, 2016
- Fujitsu Limited
- Norifumi SHUKUNAMI
- G02 - OPTICS
Information Patent Application
OPTICAL AMPLIFIER
- Publication number 20150280391
- Publication date Oct 1, 2015
- Fujitsu Limited
- Yoshito KACHITA
- H01 - BASIC ELECTRIC ELEMENTS
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
TRANSMISSION APPARATUS, TRANSMISSION SYSTEM, AND METHOD OF CONTROLL...
- Publication number 20140294378
- Publication date Oct 2, 2014
- Fujitsu Limited
- Yoshinobu Matsukawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE AND TRANSMISSION METHOD
- Publication number 20140126903
- Publication date May 8, 2014
- Fujitsu Limited
- Tomohiro KANEOKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTING DEVICE, COMMUNICATION SYSTEM, AND METHOD FOR TRANSMISS...
- Publication number 20140079385
- Publication date Mar 20, 2014
- Fujitsu Limited
- Norifumi SHUKUNAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BIDIRECTIONAL MONITOR MODULE, OPTICAL MODULE, OPTICAL ADD-DROP MULT...
- Publication number 20130330073
- Publication date Dec 12, 2013
- Fujitsu Limited
- Takeshi SAKAMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL CHANNEL MONITOR
- Publication number 20130243424
- Publication date Sep 19, 2013
- Fujitsu Limited
- Norifumi SHUKUNAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EXCITATION LIGHT SOURCE FOR RAMAN AMPLIFICATION, RAMAN AMPLIFIER, A...
- Publication number 20130162987
- Publication date Jun 27, 2013
- Fujitsu Limited
- Shota Mori
- H01 - BASIC ELECTRIC ELEMENTS
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
OPTICAL AMPLIFICATION APPARATUS, METHOD FOR CONTROLLING SAME, OPTIC...
- Publication number 20120248287
- Publication date Oct 4, 2012
- Fujitsu Limited
- Norifumi SHUKUNAMI
- 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
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 TRANSMISSION APPARATUS
- Publication number 20120106968
- Publication date May 3, 2012
- Fujitsu Limited
- Kentaro NAKAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFIER AND LIGHT RECEIVING DEVICE
- Publication number 20120006977
- Publication date Jan 12, 2012
- FUJITSU LIMITED
- NORIFUMI SHUKUNAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM
- Publication number 20110317255
- Publication date Dec 29, 2011
- Fujitsu Limited
- NORIFUMI SHUKUNAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OSNR MEASURING DEVICE AND OPTICAL COMMUNICATION SYSTEM
- Publication number 20110311222
- Publication date Dec 22, 2011
- Fujitsu Limited
- Kentaro Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL LIGHT PROCESSING APPARATUS, LIGHT TRANSMISSION APPARATUS, WA...
- Publication number 20110236023
- Publication date Sep 29, 2011
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
GAIN AND SIGNAL LEVEL ADJUSTMENTS OF CASCADED OPTICAL AMPLIFIERS
- Publication number 20110164309
- Publication date Jul 7, 2011
- FUJITSU LIMITED
- Shinya Inagaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OSNR MONITOR DEVICE AND OSNR MEASUREMENT DEVICE
- Publication number 20100322622
- Publication date Dec 23, 2010
- FUJITSU LIMITED
- Norifumi SHUKUNAMI
- 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

Norifumi Shukunami

Person

Patents Grantslast 30 patents

Fiber-optic communication apparatus, fiber-optic communication syst...

Optical coherent transceiver and filter adjustment method

Controller and control method for Raman amplifier

Transmission device, reception device, transmission method, and rec...

Transmission device, transmission system, and transmission method

Wavelength converter, wavelength conversion method, and transmissio...

Optical transmission apparatus, optical transmission method, and op...

Optical transmission apparatus and optical signal processing method

Switchable optical amplifier and optical transmission apparatus

Optical transmission device and optical transmission method

Optical amplifier with loss adjustment unit based on gain

Transmission device and transmission method

Transmitting device, communication system, and method for transmiss...

Transmission apparatus, transmission system, and method of controll...

Optical amplification apparatus, method for controlling same, optic...

Transmission apparatus and transmission system

Optical amplifier with feedback to obtain set gain and gain tilt

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

Optical channel monitor

Bidirectional monitor module, optical module, optical add-drop mult...

Excitation light source for raman amplification, raman amplifier, a...

Optical transmission apparatus

OSNR measuring device and optical communication system

OSNR monitor device and OSNR measurement device

Gain and signal level adjustments of cascaded optical amplifiers

Dispersion compensating apparatus, dispersion compensating method,...

Raman amplifier with signal modulated before stimulated brillouin s...

Method for measuring nonlinear optical properties

Gain and signal level adjustments of cascaded optical amplifiers

Multistage optical amplifier with gain control using pump ratio

Patents Applicationslast 30 patents

OPTICAL AMPLIFICATION APPARATUS AND OPTICAL AMPLIFICATION SYSTEM

OPTICAL COHERENT TRANSCEIVER AND FILTER ADJUSTMENT METHOD

FIBER-OPTIC COMMUNICATION APPARATUS, FIBER-OPTIC COMMUNICATION SYST...

CONTROLLER AND CONTROL METHOD FOR RAMAN AMPLIFIER

TRANSMISSION DEVICE, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD

TRANSMISSION DEVICE AND TRANSMISSION METHOD

WAVELENGTH CONVERTER, WAVELENGTH CONVERSION METHOD, AND TRANSMISSIO...

OPTICAL TRANSMISSION APPARATUS, OPTICAL TRANSMISSION METHOD, AND OP...

OPTICAL TRANSMISSION APPARATUS AND OPTICAL SIGNAL PROCESSING METHOD

SWITCHABLE OPTICAL AMPLIFIER AND OPTICAL TRANSMISSION APPARATUS

OPTICAL AMPLIFIER

OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD

TRANSMISSION APPARATUS, TRANSMISSION SYSTEM, AND METHOD OF CONTROLL...

TRANSMISSION DEVICE AND TRANSMISSION METHOD

TRANSMITTING DEVICE, COMMUNICATION SYSTEM, AND METHOD FOR TRANSMISS...

BIDIRECTIONAL MONITOR MODULE, OPTICAL MODULE, OPTICAL ADD-DROP MULT...

OPTICAL CHANNEL MONITOR

EXCITATION LIGHT SOURCE FOR RAMAN AMPLIFICATION, RAMAN AMPLIFIER, A...

LIGHT RECEIVING CIRCUIT AND BANDWIDTH CONTROL METHOD

OPTICAL AMPLIFICATION APPARATUS, METHOD FOR CONTROLLING SAME, OPTIC...

OPTICAL AMPLIFICATION APPARATUS

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

OPTICAL TRANSMISSION APPARATUS

OPTICAL AMPLIFIER AND LIGHT RECEIVING DEVICE

TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM

OSNR MEASURING DEVICE AND OPTICAL COMMUNICATION SYSTEM

SIGNAL LIGHT PROCESSING APPARATUS, LIGHT TRANSMISSION APPARATUS, WA...

GAIN AND SIGNAL LEVEL ADJUSTMENTS OF CASCADED OPTICAL AMPLIFIERS

OSNR MONITOR DEVICE AND OSNR MEASUREMENT DEVICE

DISPERSION COMPENSATING APPARATUS, DISPERSION COMPENSATING METHOD,...