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Osamu Aso
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
System for measuring the wavelength dispersion and nonlinear coeffi...
Patent number
7,869,014
Issue date
Jan 11, 2011
The Furukawa Electric Co., Ltd.
Masateru Tadakuma
G01 - MEASURING TESTING
Information
Patent Grant
Light source in optical transmission system, waveform shaper, optic...
Patent number
7,769,298
Issue date
Aug 3, 2010
The Furukawa Electric Co., Ltd.
Koji Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light source in optical transmission system, waveform shaper, optic...
Patent number
7,447,444
Issue date
Nov 4, 2008
The Furukawa Electric Co., Ltd.
Koji Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for measuring the wavelength dispersion and nonlinear coeffi...
Patent number
7,424,191
Issue date
Sep 9, 2008
The Furukawa Electric Co., Ltd.
Masateru Tadakuma
G01 - MEASURING TESTING
Information
Patent Grant
Multi-frequency light source
Patent number
7,408,701
Issue date
Aug 5, 2008
The Furukawa Electric Co., Ltd.
Osamu Aso
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for efficient four-wave mixing generation and short pulse ge...
Patent number
7,155,095
Issue date
Dec 26, 2006
Furukawa Electric Co., Ltd.
Osamu Aso
G02 - OPTICS
Information
Patent Grant
Method and system for measuring the wavelength dispersion and nonli...
Patent number
7,146,085
Issue date
Dec 5, 2006
The Furukawa Electric Co., Ltd.
Masateru Tadakuma
G01 - MEASURING TESTING
Information
Patent Grant
Wavelength converter and wavelength division multiplexing transmiss...
Patent number
7,061,664
Issue date
Jun 13, 2006
The Furukawa Electric Co., Ltd.
Osamu Aso
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-frequency light source
Patent number
7,054,057
Issue date
May 30, 2006
The Furukawa Electric Co., Ltd.
Osamu Aso
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for measuring the wavelength dispersion and nonli...
Patent number
7,003,202
Issue date
Feb 21, 2006
The Furukawa Electric Co., Ltd.
Masateru Tadakuma
G01 - MEASURING TESTING
Information
Patent Grant
Optical pulse generator
Patent number
6,920,263
Issue date
Jul 19, 2005
The Furukawa Electric Company, Ltd.
Masateru Tadakuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical pulse waveform conversion
Patent number
6,892,015
Issue date
May 10, 2005
The Furukawa Electric Company, Ltd.
Masateru Tadakuma
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for wavelength conversion
Patent number
6,831,775
Issue date
Dec 14, 2004
The Furukawa Electric Co., Ltd.
Shunichi Matsushita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength converter and wavelength division multiplexing transmiss...
Patent number
6,665,113
Issue date
Dec 16, 2003
The Furukawa Electric Company, Ltd.
Osamu Aso
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for efficient four-wave mixing generation and short pulse ge...
Patent number
6,522,818
Issue date
Feb 18, 2003
The Furukawa Electric Co., Ltd.
Osamu Aso
G02 - OPTICS
Information
Patent Grant
Optical fiber type wide bandwidth wavelength converter and waveleng...
Patent number
6,459,525
Issue date
Oct 1, 2002
The Furukawa Electric Co., Ltd.
Osamu Aso
G02 - OPTICS
Information
Patent Grant
Optical gain equalizer, and method for producing the optical gain e...
Patent number
6,384,964
Issue date
May 7, 2002
The Furukawa Electric Co., Ltd.
Kazuyo Mizuno
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical gain equalizer, and optical amplifier and wavelength-divisi...
Patent number
6,377,390
Issue date
Apr 23, 2002
The Furukawa Electric Co., Ltd.
Kazuyo Mizuno
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for measuring the polarization characteristics...
Patent number
5,965,874
Issue date
Oct 12, 1999
The Furukawa Electric Co., Ltd.
Osamu Aso
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
LIGHT SOURCE IN OPTICAL TRANSMISSION SYSTEM, WAVEFORM SHAPER, OPTIC...
Publication number
20090092400
Publication date
Apr 9, 2009
The Furukawa Electric CO., LTD
Koji Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEM FOR MEASURING THE WAVELENGTH DISPERSION AND NONLINEAR COEFFI...
Publication number
20080225276
Publication date
Sep 18, 2008
THE FURUKAWA ELECTRIC CO., LTD.
Masateru Tadakuma
G01 - MEASURING TESTING
Information
Patent Application
System for measuring the wavelength dispersion and nonlinear coeffi...
Publication number
20070035722
Publication date
Feb 15, 2007
Masateru Tadakuma
G01 - MEASURING TESTING
Information
Patent Application
Multi-frequency light source
Publication number
20060193032
Publication date
Aug 31, 2006
The Furukawa Electric CO., LTD
Osamu Aso
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for measuring the wavelength dispersion and nonli...
Publication number
20060029342
Publication date
Feb 9, 2006
Masateru Tadakuma
G01 - MEASURING TESTING
Information
Patent Application
Light source in optical transmission system, waveform shaper, optic...
Publication number
20060002715
Publication date
Jan 5, 2006
THE FURUKAWA ELECTRIC CO., LTD.
Koji Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for measuring the wavelength dispersion and nonli...
Publication number
20050058417
Publication date
Mar 17, 2005
Masateru Tadakuma
G01 - MEASURING TESTING
Information
Patent Application
Wavelength converter and wavelength division multiplexing transmiss...
Publication number
20040184807
Publication date
Sep 23, 2004
Osamu Aso
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method for efficient four-wave mixing generation and short pulse ge...
Publication number
20030152346
Publication date
Aug 14, 2003
Osamu Aso
G02 - OPTICS
Information
Patent Application
Multi-frequency light source
Publication number
20030048503
Publication date
Mar 13, 2003
Osamu Aso
G02 - OPTICS
Information
Patent Application
Optical pulse generator
Publication number
20030012492
Publication date
Jan 16, 2003
Masateru Tadakuma
G02 - OPTICS
Information
Patent Application
Method and apparatus for wavelength conversion
Publication number
20020163689
Publication date
Nov 7, 2002
Shunichi Matsushita
G02 - OPTICS
Information
Patent Application
Optical pulse waveform conversion
Publication number
20020164135
Publication date
Nov 7, 2002
Masateru Tadakuma
G02 - OPTICS
Information
Patent Application
Wavelength converter and wavelength division multiplexing transmiss...
Publication number
20010007509
Publication date
Jul 12, 2001
Osamu Aso
G02 - OPTICS