Tatsuya Tsuzuki

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Transmission device and transmission system
- Patent number 11,711,160
- Issue date Jul 25, 2023
- Fujitsu Limited
- Xiang Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device, transmission system, and transmission method
- Patent number 11,515,960
- Issue date Nov 29, 2022
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system, management device, and management method
- Patent number 11,018,763
- Issue date May 25, 2021
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device, transmission system, and transmission method
- Patent number 10,979,168
- Issue date Apr 13, 2021
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical wavelength multiplexing transmission apparatus and optical...
- Patent number 10,541,749
- Issue date Jan 21, 2020
- Fujitsu Limited
- Shigeru Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission device that transmits wavelength division mult...
- Patent number 10,003,429
- Issue date Jun 19, 2018
- Fujitsu Limited
- Tatsuya Tsuzuki
- G02 - OPTICS
Information Patent Grant
Optical transmission control device and optical signal wavelength d...
- Patent number 9,991,985
- Issue date Jun 5, 2018
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier and gain control method
- Patent number 9,391,426
- Issue date Jul 12, 2016
- Fujitsu Limited
- Tatsuya Tsuzuki
- 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
Optical transmission apparatus
- Patent number 8,861,965
- Issue date Oct 14, 2014
- Fujitsu Limited
- Kentaro Nakamura
- 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
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
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
Information Patent Grant
Method for measuring nonlinear optical properties, and optical ampl...
- Patent number 7,692,849
- Issue date Apr 6, 2010
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier amplifying wavelength multiplexed light, and wave...
- Patent number 6,903,324
- Issue date Jun 7, 2005
- Fujitsu Limited
- Hiroaki Tomofuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMISSION DEVICE AND TRANSMISSION OPTICAL POWER CONTROL...
- Publication number 20250047389
- Publication date Feb 6, 2025
- Fujitsu Limited
- ATSUSHI KODAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM
- Publication number 20230388040
- Publication date Nov 30, 2023
- Fujitsu Limited
- XIANG ZHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL WAVELENGTH MULTIPLEXING TRANSMISSION DEVICE AND OPTICAL WAV...
- Publication number 20230239050
- Publication date Jul 27, 2023
- Fujitsu Limited
- Shigeru ISHII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SWITCHING DEVICE, OPTICAL SWITCHING SYSTEM, AND METHOD OF O...
- Publication number 20230199350
- Publication date Jun 22, 2023
- Fujitsu Limited
- Tatsuya TSUZUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE AND TRANSMISSION SYSTEM
- Publication number 20220303038
- Publication date Sep 22, 2022
- Fujitsu Limited
- XIANG ZHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD
- Publication number 20210226720
- Publication date Jul 22, 2021
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK SYSTEM, MANAGEMENT DEVICE, AND MANAGEMENT METHOD
- Publication number 20210067245
- Publication date Mar 4, 2021
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD
- Publication number 20200067624
- Publication date Feb 27, 2020
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL WAVELENGTH MULTIPLEXING TRANSMISSION APPARATUS AND OPTICAL...
- Publication number 20190312641
- Publication date Oct 10, 2019
- Fujitsu Limited
- Shigeru ISHII
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION CONTROL DEVICE AND OPTICAL SIGNAL WAVELENGTH D...
- Publication number 20170338905
- Publication date Nov 23, 2017
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION DEVICE THAT TRANSMITS WAVELENGTH DIVISION MULT...
- Publication number 20160315729
- Publication date Oct 27, 2016
- Fujitsu Limited
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAMAN AMPLIFIER AND GAIN CONTROL METHOD
- Publication number 20150229098
- Publication date Aug 13, 2015
- Fujitsu Limited
- Tatsuya Tsuzuki
- H01 - BASIC ELECTRIC ELEMENTS
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 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
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
DISPERSION COMPENSATING APPARATUS, DISPERSION COMPENSATING METHOD,...
- Publication number 20100303459
- Publication date Dec 2, 2010
- FUJITSU LIMITED
- Masahiro YUKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for measuring nonlinear optical properties
- Publication number 20100142945
- Publication date Jun 10, 2010
- FUJITSU LIMITED
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier
- Publication number 20080316591
- Publication date Dec 25, 2008
- FUJITSU LIMITED
- Tatsuya Tsuzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for measuring nonlinear optical properties, and optical ampl...
- Publication number 20080013162
- Publication date Jan 17, 2008
- FUJITSU LIMITED
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier
- Publication number 20030106990
- Publication date Jun 12, 2003
- FUJITSU LIMITED
- Hiroaki Tomofuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tatsuya Tsuzuki

Person

Patents Grantslast 30 patents

Transmission device and transmission system

Transmission device, transmission system, and transmission method

Network system, management device, and management method

Transmission device, transmission system, and transmission method

Optical wavelength multiplexing transmission apparatus and optical...

Optical transmission device that transmits wavelength division mult...

Optical transmission control device and optical signal wavelength d...

Raman amplifier and gain control method

Transmission apparatus and transmission system

Optical amplifier with feedback to obtain set gain and gain tilt

Optical transmission apparatus

Dispersion compensating apparatus, dispersion compensating method,...

Method for measuring nonlinear optical properties

Multistage optical amplifier with gain control using pump ratio

Method for measuring nonlinear optical properties, and optical ampl...

Optical amplifier amplifying wavelength multiplexed light, and wave...

Patents Applicationslast 30 patents

OPTICAL TRANSMISSION DEVICE AND TRANSMISSION OPTICAL POWER CONTROL...

TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM

OPTICAL WAVELENGTH MULTIPLEXING TRANSMISSION DEVICE AND OPTICAL WAV...

OPTICAL SWITCHING DEVICE, OPTICAL SWITCHING SYSTEM, AND METHOD OF O...

TRANSMISSION DEVICE AND TRANSMISSION SYSTEM

TRANSMISSION DEVICE, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD

NETWORK SYSTEM, MANAGEMENT DEVICE, AND MANAGEMENT METHOD

TRANSMISSION DEVICE, TRANSMISSION SYSTEM, AND TRANSMISSION METHOD

OPTICAL WAVELENGTH MULTIPLEXING TRANSMISSION APPARATUS AND OPTICAL...

OPTICAL TRANSMISSION CONTROL DEVICE AND OPTICAL SIGNAL WAVELENGTH D...

OPTICAL TRANSMISSION DEVICE THAT TRANSMITS WAVELENGTH DIVISION MULT...

RAMAN AMPLIFIER AND GAIN CONTROL METHOD

OPTICAL AMPLIFICATION APPARATUS

OPTICAL TRANSMISSION APPARATUS

OPTICAL AMPLIFIER AND LIGHT RECEIVING DEVICE

TRANSMISSION APPARATUS AND TRANSMISSION SYSTEM

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

DISPERSION COMPENSATING APPARATUS, DISPERSION COMPENSATING METHOD,...

Method for measuring nonlinear optical properties

Optical amplifier

Method for measuring nonlinear optical properties, and optical ampl...

Optical amplifier