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Jiro Hiroishi
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wavelength division multiplex optical regeneration system and wavel...
Patent number
8,059,966
Issue date
Nov 15, 2011
The Furukawa Electric Co., Ltd.
Koji Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Nonlinear optical fiber, nonlinear optical device, and optical sign...
Patent number
7,925,132
Issue date
Apr 12, 2011
The Furukawa Electric Co., Ltd.
Yuki Taniguchi
G02 - OPTICS
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
Nonlinear optical fiber and optical signal processing apparatus usi...
Patent number
7,164,830
Issue date
Jan 16, 2007
The Furukawa Electric Co., Ltd.
Jiro Hiroishi
G02 - OPTICS
Information
Patent Grant
Optical fiber wavelength converter
Patent number
7,113,326
Issue date
Sep 26, 2006
The Furukawa Electric Co., Ltd.
Masanori Takahashi
G02 - OPTICS
Information
Patent Grant
Optical fiber having high nonlinearity
Patent number
7,085,464
Issue date
Aug 1, 2006
The Furukawa Electric Co., Ltd.
Ryo Miyabe
G02 - OPTICS
Information
Patent Grant
Highly nonlinear optical fiber and highly nonlinear optical fiber m...
Patent number
7,006,742
Issue date
Feb 28, 2006
The Furukawa Electric Co., Ltd.
Masanori Takahashi
G02 - OPTICS
Information
Patent Grant
Nonlinear dispersion-shifted optical fiber, optical signal processi...
Patent number
6,766,087
Issue date
Jul 20, 2004
The Furukawa Electric Co., Ltd.
Jiro Hiroishi
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
WAVELENGTH DIVISION MULTIPLEX OPTICAL REGENERATION SYSTEM AND WAVEL...
Publication number
20120027343
Publication date
Feb 2, 2012
THE FURUKAWA ELECTRIC CO., LTD.
Koji IGARASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NONLINEAR OPTICAL FIBER, NONLINEAR OPTICAL DEVICE, AND OPTICAL SIGN...
Publication number
20090257724
Publication date
Oct 15, 2009
THE FURUKAWA ELECTRIC CO., LTD.
Yuki Taniguchi
G02 - OPTICS
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
NONLINEAR OPTICAL FIBER, NONLINEAR OPTICAL DEVICE, AND OPTICAL SIGN...
Publication number
20080317418
Publication date
Dec 25, 2008
THE FURUKAWA ELECTRIC CO., LTD.
Yuki Taniguchi
G02 - OPTICS
Information
Patent Application
Wavelength division multiplex optical regeneration system and wavel...
Publication number
20060204170
Publication date
Sep 14, 2006
THE FURUKAWA ELECTRIC CO., LTD.
Koji Igarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HIGHLY NONLINEAR OPTICAL FIBER AND HIGHLY NONLINEAR OPTICAL FIBER M...
Publication number
20060008221
Publication date
Jan 12, 2006
THE FURUKAWA ELECTRIC CO., LTD.
Masanori Takahashi
G02 - OPTICS
Information
Patent Application
Optical fiber wavelength converter
Publication number
20050264871
Publication date
Dec 1, 2005
THE FURUKAWA ELECTRIC CO., LTD.
Masanori Takahashi
G02 - OPTICS
Information
Patent Application
Nonlinear optical fiber and optical signal processing apparatus usi...
Publication number
20050213907
Publication date
Sep 29, 2005
THE FURUKAWA ELECTRIC CO., LTD.
Jiro Hiroishi
G02 - OPTICS
Information
Patent Application
Optical fiber having high nonlinearity
Publication number
20050163444
Publication date
Jul 28, 2005
THE FURUKAWA ELECTRIC CO., LTD.
Ryo Miyabe
G02 - OPTICS
Information
Patent Application
Nonlinear dispersion-shifted optical fiber, optical signal processi...
Publication number
20030095767
Publication date
May 22, 2003
Jiro Hiroishi
G02 - OPTICS