Masao Nakata

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Raman optical amplifier and raman optical amplification method
- Patent number 11,211,764
- Issue date Dec 28, 2021
- Fujitsu Limited
- Masao Nakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical amplifier
- Patent number 9,252,558
- Issue date Feb 2, 2016
- Fujitsu Limited
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission device and transmission system
- Patent number 9,100,118
- Issue date Aug 4, 2015
- Fujitsu Limited
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiving apparatus and optical amplifying apparatus
- Patent number 8,917,445
- Issue date Dec 23, 2014
- Fujitsu Limited
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier and raman amplifier adjustment method
- Patent number 8,564,876
- Issue date Oct 22, 2013
- Fujitsu Limited
- Maki Hiraizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier and raman amplifier adjustment method
- Patent number 8,339,698
- Issue date Dec 25, 2012
- Fujitsu Limited
- Maki Hiraizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier for amplifying signal light for optical communicati...
- Patent number 7,986,453
- Issue date Jul 26, 2011
- Fujitsu Limited
- Masao Nakata
- H01 - BASIC ELECTRIC ELEMENTS
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
Raman amplifier
- Patent number 7,835,067
- Issue date Nov 16, 2010
- Fujitsu Limited
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Raman amplifier and Raman amplifier adjustment method
- Patent number 7,554,721
- Issue date Jun 30, 2009
- Fujitsu Limited
- Maki Hiraizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier
- Patent number 7,145,717
- Issue date Dec 5, 2006
- Fujitsu Limited
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL AMPLIFIER, OPTICAL TRANSMISSION DEVICE, AND OPTICAL TRANSMI...
- Publication number 20210111800
- Publication date Apr 15, 2021
- Fujitsu Limited
- Masao Nakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RAMAN OPTICAL AMPLIFIER AND RAMAN OPTICAL AMPLIFICATION METHOD
- Publication number 20190372298
- Publication date Dec 5, 2019
- Fujitsu Limited
- Masao Nakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL TRANSMISSION APPARATUS, SYSTEM, AND METHOD
- Publication number 20190090037
- Publication date Mar 21, 2019
- Fujitsu Limited
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD
- Publication number 20180278361
- Publication date Sep 27, 2018
- Fujitsu Limited
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL AMPLIFIER
- Publication number 20140146386
- Publication date May 29, 2014
- Fujitsu Limited
- Masao Nakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TRANSMISSION DEVICE AND TRANSMISSION SYSTEM
- Publication number 20140126897
- Publication date May 8, 2014
- Fujitsu Limited
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAMAN AMPLIFIER AND RAMAN AMPLIFIER ADJUSTMENT METHOD
- Publication number 20120307351
- Publication date Dec 6, 2012
- Fujitsu Limited
- Maki Hiraizumi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL RECEIVING APPARATUS AND OPTICAL AMPLIFYING APPARATUS
- Publication number 20120212800
- Publication date Aug 23, 2012
- FUJITSU LIMITED
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAMAN AMPLIFIER AND RAMAN AMPLIFIER ADJUSTMENT METHOD
- Publication number 20110019268
- Publication date Jan 27, 2011
- Fujitsu Limited
- Maki Hiraizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RAMAN AMPLIFIER AND RAMAN AMPLIFIER ADJUSTMENT METHOD
- Publication number 20090153951
- Publication date Jun 18, 2009
- FUJITSU LIMITED
- Maki Hiraizumi
- 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
RAMAN AMPLIFIER
- Publication number 20080123180
- Publication date May 29, 2008
- FUJITSU LIMITED
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Raman amplifier for amplifying signal light for optical communicati...
- Publication number 20080049303
- Publication date Feb 28, 2008
- FUJITSU LIMITED
- Masao Nakata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Raman amplifier and raman amplifier adjustment method
- Publication number 20050024712
- Publication date Feb 3, 2005
- FUJITSU LIMITED
- Maki Hiraizumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier
- Publication number 20040174586
- Publication date Sep 9, 2004
- FUJITSU LIMITED
- Masao Nakata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Masao Nakata

Person

Patents Grantslast 30 patents

Raman optical amplifier and raman optical amplification method

Optical amplifier

Transmission device and transmission system

Optical receiving apparatus and optical amplifying apparatus

Raman amplifier and raman amplifier adjustment method

Raman amplifier and raman amplifier adjustment method

Raman amplifier for amplifying signal light for optical communicati...

Multistage optical amplifier with gain control using pump ratio

Raman amplifier

Raman amplifier and Raman amplifier adjustment method

Optical amplifier

Patents Applicationslast 30 patents

OPTICAL AMPLIFIER, OPTICAL TRANSMISSION DEVICE, AND OPTICAL TRANSMI...

RAMAN OPTICAL AMPLIFIER AND RAMAN OPTICAL AMPLIFICATION METHOD

OPTICAL TRANSMISSION APPARATUS, SYSTEM, AND METHOD

OPTICAL TRANSMISSION APPARATUS AND OPTICAL TRANSMISSION METHOD

OPTICAL AMPLIFIER

TRANSMISSION DEVICE AND TRANSMISSION SYSTEM

RAMAN AMPLIFIER AND RAMAN AMPLIFIER ADJUSTMENT METHOD

OPTICAL RECEIVING APPARATUS AND OPTICAL AMPLIFYING APPARATUS

RAMAN AMPLIFIER AND RAMAN AMPLIFIER ADJUSTMENT METHOD

RAMAN AMPLIFIER AND RAMAN AMPLIFIER ADJUSTMENT METHOD

Optical amplifier

RAMAN AMPLIFIER

Raman amplifier for amplifying signal light for optical communicati...

Raman amplifier and raman amplifier adjustment method

Optical amplifier