Masateru TADAKUMA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Optical fiber sensor, seismic prospecting method, method of measuri...
- Patent number 10,718,658
- Issue date Jul 21, 2020
- Furukawa Electric Co., Ltd.
- Masateru Tadakuma
- G01 - MEASURING TESTING
Information Patent Grant
Multi-core optical amplifying fiber device and multi-core optical f...
- Patent number 9,722,388
- Issue date Aug 1, 2017
- Furukawa Electric Co., Ltd.
- Masateru Tadakuma
- G02 - OPTICS
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
Optical fiber module and optical device
- Patent number 7,693,377
- Issue date Apr 6, 2010
- The Furukawa Electric Co., Ltd.
- Masanori Takahashi
- G02 - OPTICS
Information Patent Grant
Optical fiber device
- Patent number 7,630,607
- Issue date Dec 8, 2009
- The Furukawa Electric Co., Ltd.
- Masateru Tadakuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber
- Patent number 7,536,074
- Issue date May 19, 2009
- The Furukawa Electric Co., Ltd.
- Masateru Tadakuma
- C03 - GLASS MINERAL OR SLAG WOOL
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
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 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 telecommunications system
- Patent number 5,808,768
- Issue date Sep 15, 1998
- The Furukawa Electric Co., Ltd.
- Masateru Tadakuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL FIBER SENSOR, SEISMIC PROSPECTING METHOD, METHOD OF MEASURI...
- Publication number 20170138785
- Publication date May 18, 2017
- FURUKAWA ELECTRIC CO., LTD.
- Masateru TADAKUMA
- G01 - MEASURING TESTING
Information Patent Application
MULTI-CORE OPTICAL AMPLIFYING FIBER DEVICE AND MULTI-CORE OPTICAL F...
- Publication number 20160118762
- Publication date Apr 28, 2016
- FURUKAWA ELECTRIC CO., LTD.
- Masateru TADAKUMA
- H01 - BASIC ELECTRIC ELEMENTS
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
OPTICAL FIBER
- Publication number 20090060433
- Publication date Mar 5, 2009
- THE FURUKAWA ELECTRIC CO. LTD.
- Masateru TADAKUMA
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER DEVICE
- Publication number 20090028509
- Publication date Jan 29, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Masateru TADAKUMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIBER MODULE AND OPTICAL DEVICE
- Publication number 20090003786
- Publication date Jan 1, 2009
- THE FURUKAWA ELECTRIC CO., LTD.
- Masanori TAKAHASHI
- G02 - OPTICS
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
Optical Fiber Laser Using Rare Earth-Added Fiber And Wide Band Ligh...
- Publication number 20070216993
- Publication date Sep 20, 2007
- THE FURUKAWA ELECTRIC CO., LTD.
- Keiichi Aiso
- H01 - BASIC ELECTRIC ELEMENTS
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
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
Optical pulse waveform conversion
- Publication number 20020164135
- Publication date Nov 7, 2002
- Masateru Tadakuma
- G02 - OPTICS

Masateru TADAKUMA

Person

Patents Grantslast 30 patents

Optical fiber sensor, seismic prospecting method, method of measuri...

Multi-core optical amplifying fiber device and multi-core optical f...

System for measuring the wavelength dispersion and nonlinear coeffi...

Light source in optical transmission system, waveform shaper, optic...

Optical fiber module and optical device

Optical fiber device

Optical fiber

Light source in optical transmission system, waveform shaper, optic...

System for measuring the wavelength dispersion and nonlinear coeffi...

Multi-frequency light source

Method for efficient four-wave mixing generation and short pulse ge...

Method and system for measuring the wavelength dispersion and nonli...

Multi-frequency light source

Method and system for measuring the wavelength dispersion and nonli...

Optical pulse generator

Optical pulse waveform conversion

Method for efficient four-wave mixing generation and short pulse ge...

Optical telecommunications system

Patents Applicationslast 30 patents

OPTICAL FIBER SENSOR, SEISMIC PROSPECTING METHOD, METHOD OF MEASURI...

MULTI-CORE OPTICAL AMPLIFYING FIBER DEVICE AND MULTI-CORE OPTICAL F...

LIGHT SOURCE IN OPTICAL TRANSMISSION SYSTEM, WAVEFORM SHAPER, OPTIC...

OPTICAL FIBER

OPTICAL FIBER DEVICE

OPTICAL FIBER MODULE AND OPTICAL DEVICE

SYSTEM FOR MEASURING THE WAVELENGTH DISPERSION AND NONLINEAR COEFFI...

Optical Fiber Laser Using Rare Earth-Added Fiber And Wide Band Ligh...

System for measuring the wavelength dispersion and nonlinear coeffi...

Multi-frequency light source

Method and system for measuring the wavelength dispersion and nonli...

Light source in optical transmission system, waveform shaper, optic...

Method and system for measuring the wavelength dispersion and nonli...

Method for efficient four-wave mixing generation and short pulse ge...

Multi-frequency light source

Optical pulse generator

Optical pulse waveform conversion