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Ryuichi SUGIZAKI
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Manufacturing method of multicore fiber preform, multicore fiber pr...
Patent number
12,001,050
Issue date
Jun 4, 2024
Furukawa Electric Co., Ltd.
Masanori Takahashi
G02 - OPTICS
Information
Patent Grant
Optical fiber bundle structure, optical connector, optical fiber co...
Patent number
11,940,649
Issue date
Mar 26, 2024
Furukawa Electric Co., Ltd.
Kohei Kawasaki
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Cable, cable shape sensing system, sensing system, and cable shape...
Patent number
11,519,759
Issue date
Dec 6, 2022
Furukawa Electric Co., Ltd.
Masateru Tadakuma
G01 - MEASURING TESTING
Information
Patent Grant
Multi-core fiber
Patent number
11,378,735
Issue date
Jul 5, 2022
Furukawa Electric Co., Ltd.
Masanori Takahashi
G02 - OPTICS
Information
Patent Grant
Cascaded core multicore fiber and manufacturing method for same
Patent number
9,891,378
Issue date
Feb 13, 2018
Furukawa Electric Co., Ltd.
Katsunori Imamura
C03 - GLASS MINERAL OR SLAG WOOL
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
Production method of optical fiber preform, and production method o...
Patent number
9,695,079
Issue date
Jul 4, 2017
Furukawa Electric Co., Ltd.
Tomohiro Gonda
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Multi-core amplification optical fiber and multi-core optical fiber...
Patent number
9,225,141
Issue date
Dec 29, 2015
Furukawa Electric Co., Ltd.
Yukihiro Tsuchida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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 fibers
Patent number
8,977,096
Issue date
Mar 10, 2015
Furukawa Electric Co., Ltd.
Iwao Shimotakahara
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
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, optical fiber ribbon, and optical interconnection sy...
Patent number
7,878,712
Issue date
Feb 1, 2011
The Furukawa Electric Co., Ltd.
Iwao Shimotakahara
G02 - OPTICS
Information
Patent Grant
Optical fiber and optical fiber ribbon, and optical interconnection...
Patent number
7,787,732
Issue date
Aug 31, 2010
The Furukawa Electric Co., Ltd.
Ryuichi Sugizaki
G02 - OPTICS
Information
Patent Grant
Optical fiber and waveguide
Patent number
7,756,375
Issue date
Jul 13, 2010
The Furukawa Electric Co., Ltd.
Ryo Miyabe
G02 - OPTICS
Information
Patent Grant
Optical fiber and waveguide
Patent number
7,715,674
Issue date
May 11, 2010
The Furukawa Electric Co., Ltd.
Ryo Miyabe
G02 - OPTICS
Information
Patent Grant
Optical fiber ribbon
Patent number
7,689,080
Issue date
Mar 30, 2010
The Furukawa Electric Co., Ltd.
Harumi Inaba
G02 - OPTICS
Information
Patent Grant
Optical fiber, optical fiber ribbon, and optical interconnection sy...
Patent number
7,583,878
Issue date
Sep 1, 2009
The Furukawa Electric Co., Ltd.
Ryuichi Sugizaki
G02 - OPTICS
Information
Patent Grant
Optical fiber and optical fiber ribbon, and optical interconnection...
Patent number
7,574,088
Issue date
Aug 11, 2009
The Furukawa Electric Co., Ltd.
Ryuichi Sugizaki
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 for Raman amplification, optical fiber coil, Raman am...
Patent number
7,440,167
Issue date
Oct 21, 2008
The Furukawa Electric Co., Ltd.
Yuki Taniguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical fiber and optical interconnection system
Patent number
7,366,386
Issue date
Apr 29, 2008
The Furukawa Electric Co., Ltd.
Akifumi Sako
G02 - OPTICS
Information
Patent Grant
Optical fiber, optical fiber ribbon, and optical interconnection sy...
Patent number
7,295,741
Issue date
Nov 13, 2007
The Furukawa Electric Co., Ltd.
Akifumi Sako
G02 - OPTICS
Information
Patent Grant
Optical fiber for Raman amplification, optical fiber coil, Raman am...
Patent number
7,248,399
Issue date
Jul 24, 2007
The Furukawa Electric Co., Ltd.
Yuki Taniguchi
H01 - BASIC ELECTRIC ELEMENTS
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, optical fiber module, and Raman amplifier
Patent number
7,126,748
Issue date
Oct 24, 2006
The Furukawa Electric Co., Ltd.
Ryuichi Sugizaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Single-mode optical fiber
Patent number
7,099,545
Issue date
Aug 29, 2006
The Furukawa Electric Co., Ltd.
Akifumi Sako
G02 - OPTICS
Information
Patent Grant
Optical fiber, Raman amplifier, and optical communication system
Patent number
7,046,885
Issue date
May 16, 2006
The Furukawa Electric Co., Ltd.
Ryuichi Sugizaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical fiber, and optical module and Raman amplifier using the opt...
Patent number
7,046,433
Issue date
May 16, 2006
The Furukawa Electric Co., Ltd.
Ryuichi Sugizaki
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MAKING OPTICAL FIBER BUNDLE STRUCTURE, AND METHOD FOR CO...
Publication number
20240368020
Publication date
Nov 7, 2024
FURUKAWA ELECTRIC CO., LTD.
Tsubasa Sasaki
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
LIGHT SOURCE, LIGHT SOURCE DEVICE, METHOD OF DRIVING LIGHT SOURCE,...
Publication number
20240332884
Publication date
Oct 3, 2024
FURUKAWA ELECTRIC CO., LTD.
Haruki OGOSHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL FIBER CONNECTION STRUCTURE AND MANUFACTURING METHOD THEREOF
Publication number
20240310575
Publication date
Sep 19, 2024
FURUKAWA ELECTRIC CO., LTD.
Yusuke MATSUNO
G02 - OPTICS
Information
Patent Application
MULTI-CORE FIBER, PITCH CONVERTER, OPTICAL FIBER CONNECTION STRUCTU...
Publication number
20240151897
Publication date
May 9, 2024
FURUKAWA ELECTRIC CO., LTD.
Masanori TAKAHASHI
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL CONNECTOR, OPTICAL FIBER CO...
Publication number
20240151898
Publication date
May 9, 2024
FURUKAWA ELECTRIC CO., LTD.
Kohei KAWASAKI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL CONNECTOR, OPTICAL FIBER CO...
Publication number
20240142697
Publication date
May 2, 2024
FURUKAWA ELECTRIC CO., LTD.
Kohei KAWASAKI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
MULTICORE FIBER, MANUFACTURING METHOD FOR MULTICORE FIBER, MULTICOR...
Publication number
20230408759
Publication date
Dec 21, 2023
FURUKAWA ELECTRIC CO., LTD.
Masanori TAKAHASHI
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL FIBER CONNECTION STRUCTURE,...
Publication number
20230314700
Publication date
Oct 5, 2023
FURUKAWA ELECTRIC CO., LTD.
Kengo WATANABE
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
LIGHT SOURCE, LIGHT SOURCE DEVICE, METHOD OF DRIVING LIGHT SOURCE,...
Publication number
20230231629
Publication date
Jul 20, 2023
FURUKAWA ELECTRIC CO., LTD.
Haruki OGOSHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MULTICORE FIBER
Publication number
20230204853
Publication date
Jun 29, 2023
FURUKAWA ELECTRIC CO., LTD.
Masanori TAKAHASHI
G02 - OPTICS
Information
Patent Application
OPTICAL AMPLIFYING FIBER, OPTICAL FIBER AMPLIFIER, AND OPTICAL COMM...
Publication number
20230123319
Publication date
Apr 20, 2023
FURUKAWA ELECTRIC CO., LTD.
Shigehiro TAKASAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL FIBER AMPLIFICATION SYSTEM AND OPTICAL COMMUNICATION SYSTEM
Publication number
20230038133
Publication date
Feb 9, 2023
FURUKAWA ELECTRIC CO., LTD.
Shigehiro TAKASAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL AMPLIFYING FIBER, OPTICAL FIBER AMPLIFIER, AND OPTICAL COMM...
Publication number
20230006410
Publication date
Jan 5, 2023
FURUKAWA ELECTRIC CO., LTD.
Shigehiro TAKASAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MULTI-CORE OPTICAL AMPLIFYING FIBER, MULTI-CORE OPTICAL FIBER AMPLI...
Publication number
20230003934
Publication date
Jan 5, 2023
FURUKAWA ELECTRIC CO., LTD.
Shigehiro TAKASAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MANUFACTURING METHOD OF MULTICORE FIBER PREFORM, MULTICORE FIBER PR...
Publication number
20220003921
Publication date
Jan 6, 2022
FURUKAWA ELECTRIC CO., LTD.
Masanori TAKAHASHI
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER BUNDLE STRUCTURE, OPTICAL CONNECTOR, OPTICAL FIBER CO...
Publication number
20220003924
Publication date
Jan 6, 2022
FURUKAWA ELECTRIC CO., LTD.
Kohei KAWASAKI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
CABLE, CABLE SHAPE SENSING SYSTEM, SENSING SYSTEM, AND CABLE SHAPE...
Publication number
20210116265
Publication date
Apr 22, 2021
FURUKAWA ELECTRIC CO., LTD.
Masateru TADAKUMA
G02 - OPTICS
Information
Patent Application
MULTICORE FIBER AND MANUFACTURING METHOD OF MULTICORE FIBER
Publication number
20170160466
Publication date
Jun 8, 2017
FURUKAWA ELECTRIC CO., LTD.
Katsunori IMAMURA
G02 - OPTICS
Information
Patent Application
PRODUCTION METHOD OF OPTICAL FIBER PREFORM AND PRODUCTION METHOD OF...
Publication number
20160347645
Publication date
Dec 1, 2016
FURUKAWA ELECTRIC CO., LTD.
Tomohiro GONDA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL FIBER AND OPTICAL TRANSMISSION SYSTEM
Publication number
20160216440
Publication date
Jul 28, 2016
FURUKAWA ELECTRIC CO., LTD.
Katsunori IMAMURA
G02 - OPTICS
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
PRODUCTION METHOD OF OPTICAL FIBER PREFORM, AND PRODUCTION METHOD O...
Publication number
20160075590
Publication date
Mar 17, 2016
FURUKAWA ELECTRIC CO., LTD.
Tomohiro GONDA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
MULTI-CORE AMPLIFICATION OPTICAL FIBER AND MULTI-CORE OPTICAL FIBER...
Publication number
20140240819
Publication date
Aug 28, 2014
FURUKAWA ELECTRIC CO., LTD.
Yukihiro TSUCHIDA
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 MODULE
Publication number
20120195560
Publication date
Aug 2, 2012
FURUKAWA ELECTRIC CO., LTD.
Masanori TAKAHASHI
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 FIBERS
Publication number
20100296786
Publication date
Nov 25, 2010
FURUKAWA ELECTRIC CO., LTD.
Iwao SHIMOTAKAHARA
G02 - OPTICS
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 preform including a non-axisymmetric cross section
Publication number
20090252468
Publication date
Oct 8, 2009
The Furukawa Electric Co, Ltd.
Ryuichi Sugizaki
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER AND OPTICAL FIBER RIBBON, AND OPTICAL INTERCONNECTION...
Publication number
20090086770
Publication date
Apr 2, 2009
THE FURUKAWA ELECTRIC CO., LTD.
Ryuichi SUGIZAKI
G02 - OPTICS