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Itaru Ishida
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Sakura-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multicore optical fiber and method for manufacturing multicore opti...
Patent number
10,073,217
Issue date
Sep 11, 2018
Fujikura Ltd.
Itaru Ishida
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Multicore fiber and method of manufacturing the same
Patent number
9,733,424
Issue date
Aug 15, 2017
Fujikura Ltd.
Itaru Ishida
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing preform for multicore fiber and method of m...
Patent number
9,586,852
Issue date
Mar 7, 2017
Fujikura Ltd.
Itaru Ishida
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Measuring method of longitudinal distribution of bending loss of op...
Patent number
9,562,827
Issue date
Feb 7, 2017
Fujikura Ltd.
Shoji Tanigawa
G01 - MEASURING TESTING
Information
Patent Grant
Multicore fiber
Patent number
9,529,144
Issue date
Dec 27, 2016
Fujikura Ltd.
Itaru Ishida
G02 - OPTICS
Information
Patent Grant
Multicore fiber and method of manufacture of the same
Patent number
9,529,146
Issue date
Dec 27, 2016
Fujikura Ltd.
Itaru Ishida
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Multicore fiber
Patent number
9,470,840
Issue date
Oct 18, 2016
Fujikura Ltd.
Itaru Ishida
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber cable
Patent number
9,405,060
Issue date
Aug 2, 2016
Fujikura Ltd.
Itaru Ishida
G02 - OPTICS
Information
Patent Grant
Multicore fiber
Patent number
9,291,768
Issue date
Mar 22, 2016
Fujikura Ltd.
Itaru Ishida
G02 - OPTICS
Information
Patent Grant
Crosstalk measuring method and crosstalk measuring device
Patent number
9,252,872
Issue date
Feb 2, 2016
Fujikura Ltd.
Hiroki Hamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicore fiber
Patent number
9,223,083
Issue date
Dec 29, 2015
Fujikura Ltd.
Itaru Ishida
G02 - OPTICS
Information
Patent Grant
Process for producing optical fiber and processing apparatus for op...
Patent number
9,221,711
Issue date
Dec 29, 2015
Fujikura Ltd.
Hiroki Hamaguchi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Measuring method of hole diameter, hole position, hole surface roug...
Patent number
9,175,946
Issue date
Nov 3, 2015
Nippon Telegraph and Telephone Corporation
Itaru Ishida
G01 - MEASURING TESTING
Information
Patent Grant
Inspecting device, inspecting method, and method for manufacturing...
Patent number
8,705,021
Issue date
Apr 22, 2014
Fujikura Ltd.
Itaru Ishida
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL FIBER RIBBON
Publication number
20240418952
Publication date
Dec 19, 2024
FUJIKURA LTD.
Noriaki Yamashita
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER RIBBON
Publication number
20240319463
Publication date
Sep 26, 2024
FUJIKURA LTD.
Noriaki Yamashita
G02 - OPTICS
Information
Patent Application
METHOD AND SYSTEM FOR MANUFACTURING OPTICAL FIBER RIBBON
Publication number
20240241336
Publication date
Jul 18, 2024
FUJIKURA LTD.
Hironori Sato
G01 - MEASURING TESTING
Information
Patent Application
MULTICORE OPTICAL FIBER AND METHOD FOR MANUFACTURING MULTICORE OPTI...
Publication number
20170205575
Publication date
Jul 20, 2017
FUJIKURA LTD.
Itaru Ishida
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER CABLE
Publication number
20160062035
Publication date
Mar 3, 2016
FUJIKURA LTD.
Itaru Ishida
G02 - OPTICS
Information
Patent Application
MULTICORE FIBER
Publication number
20150323735
Publication date
Nov 12, 2015
FUJIKURA LTD.
Itaru Ishida
G02 - OPTICS
Information
Patent Application
MULTICORE FIBER AND METHOD OF MANUFACTURING THE SAME
Publication number
20150323736
Publication date
Nov 12, 2015
FUJIKURA LTD.
Itaru Ishida
G02 - OPTICS
Information
Patent Application
MULTICORE FIBER
Publication number
20150147040
Publication date
May 28, 2015
FUJIKURA LTD.
Itaru Ishida
G02 - OPTICS
Information
Patent Application
MULTICORE FIBER
Publication number
20150147039
Publication date
May 28, 2015
FUJIKURA LTD.
Itaru Ishida
G02 - OPTICS
Information
Patent Application
MULTICORE FIBER AND METHOD OF MANUFACTURE OF THE SAME
Publication number
20150139596
Publication date
May 21, 2015
FUJIKURA LTD.
Itaru Ishida
G02 - OPTICS
Information
Patent Application
MULTICORE FIBER
Publication number
20150139597
Publication date
May 21, 2015
FUJIKURA LTD.
Itaru Ishida
G02 - OPTICS
Information
Patent Application
METHOD OF MANUFACTURING PREFORM FOR MULTICORE FIBER AND METHOD OF M...
Publication number
20140216109
Publication date
Aug 7, 2014
FUJIKURA LTD.
Itaru Ishida
G02 - OPTICS
Information
Patent Application
CROSSTALK MEASURING METHOD AND CROSSTALK MEASURING DEVICE
Publication number
20140003807
Publication date
Jan 2, 2014
Hiroki Hamaguchi
G02 - OPTICS
Information
Patent Application
PROCESS FOR PRODUCING OPTICAL FIBER AND PROCESSING APPARATUS FOR OP...
Publication number
20130333421
Publication date
Dec 19, 2013
Hiroki Hamaguchi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
INSPECTING DEVICE, INSPECTING METHOD, AND METHOD FOR MANUFACTURING...
Publication number
20130027689
Publication date
Jan 31, 2013
FUJIKURA LTD.
Itaru ISHIDA
G01 - MEASURING TESTING
Information
Patent Application
MEASURING METHOD OF HOLE DIAMETER, HOLE POSITION, HOLE SURFACE ROUG...
Publication number
20120044482
Publication date
Feb 23, 2012
Nippon Telegraph and Telephone Corporation
Itaru ISHIDA
G01 - MEASURING TESTING
Information
Patent Application
MEASURING METHOD OF LONGITUDINAL DISTRIBUTION OF BENDING LOSS OF OP...
Publication number
20120042696
Publication date
Feb 23, 2012
Nippon Telegraph and Telephone Corporation
Shoji TANIGAWA
G01 - MEASURING TESTING
Information
Patent Application
HOLE DIAMETER MEASURING METHOD AND DEVICE FOR HOLEY OPTICAL FIBER,...
Publication number
20110132037
Publication date
Jun 9, 2011
FUJIKURA LTD.
Itaru ISHIDA
G02 - OPTICS