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Naomi Kumano
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method of producing glass preform and optical fiber
Patent number
9,783,450
Issue date
Oct 10, 2017
Furukawa Electric Co., Ltd.
Ryo Miyabe
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Hole-assisted optical fiber
Patent number
9,075,185
Issue date
Jul 7, 2015
Furukawa Electric Co., Ltd.
Naomi Kumano
G02 - OPTICS
Information
Patent Grant
Optical fiber preform manufacturing method
Patent number
8,181,487
Issue date
May 22, 2012
Furukawa Electric Co., Ltd.
Ryuichi Sugizaki
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber
Patent number
7,702,205
Issue date
Apr 20, 2010
The Furukawa Electric Co., Ltd.
Naomi Kumano
G02 - OPTICS
Information
Patent Grant
Optical fiber
Patent number
7,519,255
Issue date
Apr 14, 2009
The Furukawa Electric Co., Ltd.
Naomi Kumano
G02 - OPTICS
Information
Patent Grant
Optical fiber and optical transmission line and optical communicati...
Patent number
7,505,659
Issue date
Mar 17, 2009
The Furukawa Electric Co., Ltd.
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber and optical transmission line and optical communicati...
Patent number
7,321,711
Issue date
Jan 22, 2008
The Furukawa Electric Co., Ltd.
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 and optical communication system employing the optica...
Patent number
7,164,832
Issue date
Jan 16, 2007
The Furukawa Electric Co., Ltd.
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber and optical transmission line and optical communicati...
Patent number
7,123,803
Issue date
Oct 17, 2006
The Furukawa Electric Co., Ltd.
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber and optical transmission line
Patent number
7,085,463
Issue date
Aug 1, 2006
The Furukawa Electric Co., Ltd.
Fumio Takahashi
G02 - OPTICS
Information
Patent Grant
Optical fiber and optical transmission line and optical communicati...
Patent number
6,856,744
Issue date
Feb 15, 2005
The Furukawa Electric Co., Ltd.
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber and optical communication system using this optical f...
Patent number
6,795,629
Issue date
Sep 21, 2004
The Furukawa Electric Co., Ltd.
Kazunori Mukasa
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber and optical transmission line using the same, and opt...
Patent number
6,768,848
Issue date
Jul 27, 2004
The Furukawa Electric Co., Ltd.
Naomi Kumano
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
Information
Patent Grant
Optical fiber and optical communication system using this optical f...
Patent number
6,640,036
Issue date
Oct 28, 2003
The Furukawa Electric Co., Ltd.
Kazunori Mukasa
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF PRODUCING GLASS PREFORM AND OPTICAL FIBER
Publication number
20150329404
Publication date
Nov 19, 2015
FURUKAWA ELECTRIC CO., LTD.
Ryo MIYABE
G02 - OPTICS
Information
Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER PREFORM AND OPTICAL FIBER
Publication number
20140161406
Publication date
Jun 12, 2014
FURUKAWA ELECTRIC CO., LTD.
Naomi KUMANO
G02 - OPTICS
Information
Patent Application
HOLE-ASSISTED OPTICAL FIBER
Publication number
20130136409
Publication date
May 30, 2013
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Naomi Kumano
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER PREFORM MANUFACTURING METHOD
Publication number
20100326139
Publication date
Dec 30, 2010
FURUKAWA ELECTRIC CO., LTD.
Ryuichi SUGIZAKI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL FIBER
Publication number
20090263091
Publication date
Oct 22, 2009
THE FURUKAWA ELECTRIC CO., LTD.
Naomi Kumano
G02 - OPTICS
Information
Patent Application
Optical fiber and optical transmission line and optical communicati...
Publication number
20080292257
Publication date
Nov 27, 2008
The Furukawa Electric CO., LTD
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Fiber
Publication number
20080063348
Publication date
Mar 13, 2008
THE FURUKAWA ELECTRIC CO., LTD.
Naomi Kumano
G02 - OPTICS
Information
Patent Application
Optical fiber and optical transmission line and optical communicati...
Publication number
20080063349
Publication date
Mar 13, 2008
The Furukawa Electric CO., LTD
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical fiber and optical transmission line and optical communicati...
Publication number
20070009218
Publication date
Jan 11, 2007
The Furukawa Electric CO., LTD
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL FIBER AND OPTICAL COMMUNICATION SYSTEM EMPLOYING THE OPTICA...
Publication number
20060233503
Publication date
Oct 19, 2006
THE FURUKAWA ELECTRIC CO., LTD.
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 and optical transmission line and optical communicati...
Publication number
20050157994
Publication date
Jul 21, 2005
The Furukawa Electric CO., LTD
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical fiber and optical transmission line
Publication number
20040170366
Publication date
Sep 2, 2004
THE FURUKAWA ELECTRIC CO., LTD.
Fumio Takahashi
G02 - OPTICS
Information
Patent Application
Optical fiber and optical communication system using this optical f...
Publication number
20040033041
Publication date
Feb 19, 2004
The Furukawa Electric CO., LTD
Kazunori Mukasa
G02 - OPTICS
Information
Patent Application
Optical fiber and optical transmission line and optical communicati...
Publication number
20030210878
Publication date
Nov 13, 2003
The Furukawa Electric CO., LTD
Naomi Kumano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Nonlinear dispersion-shifted optical fiber, optical signal processi...
Publication number
20030095767
Publication date
May 22, 2003
Jiro Hiroishi
G02 - OPTICS
Information
Patent Application
Optical fiber and optical transmission line using the same, and opt...
Publication number
20030021562
Publication date
Jan 30, 2003
THE FURUKAWA ELECTRIC CO., LTD.
Naomi Kumano
G02 - OPTICS
Information
Patent Application
Optical fiber and optical communication system using this optical f...
Publication number
20020097971
Publication date
Jul 25, 2002
The Furukawa Electric CO., LTD
Kazunori Mukasa
C03 - GLASS MINERAL OR SLAG WOOL