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Sakura, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical fiber manufacturing method and optical fiber manufacturing...
Patent number
11,286,196
Issue date
Mar 29, 2022
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of winding optical fiber, method of manufacturing bobbin-wou...
Patent number
11,099,345
Issue date
Aug 24, 2021
Fujikura Ltd.
Kenji Okada
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method of manufacturing optical fiber and optical fiber
Patent number
10,913,225
Issue date
Feb 9, 2021
Fujikura Ltd.
Kenji Okada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing optical fiber and optical fiber
Patent number
10,895,706
Issue date
Jan 19, 2021
Fujikura Ltd.
Kenji Okada
G02 - OPTICS
Information
Patent Grant
Method of manufacturing optical fiber, optical fiber manufacturing...
Patent number
10,857,746
Issue date
Dec 8, 2020
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing optical fiber, optical fiber manufacturing...
Patent number
10,745,314
Issue date
Aug 18, 2020
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Control device and manufacturing apparatus of optical fiber
Patent number
10,626,041
Issue date
Apr 21, 2020
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Control device, and manufacturing apparatus of optical fiber
Patent number
10,570,051
Issue date
Feb 25, 2020
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Bare optical fiber coating device and bare optical fiber coating me...
Patent number
10,562,814
Issue date
Feb 18, 2020
Fujikura Ltd.
Kenji Okada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for manufacturing an optical fiber
Patent number
10,202,301
Issue date
Feb 12, 2019
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Apparatus for manufacturing an optical fiber
Patent number
10,150,690
Issue date
Dec 11, 2018
Fujikura Ltd.
Kenji Okada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing optical fiber, optical fiber manufacturing...
Patent number
10,023,490
Issue date
Jul 17, 2018
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing optical fiber, optical fiber manufacturing...
Patent number
10,016,951
Issue date
Jul 10, 2018
Fujikura Ltd.
Kenji Okada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Manufacturing method, control device, and manufacturing apparatus o...
Patent number
9,878,935
Issue date
Jan 30, 2018
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Manufacturing method, control device, and manufacturing apparatus o...
Patent number
9,873,630
Issue date
Jan 23, 2018
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing optical fiber and apparatus of manufacturin...
Patent number
9,650,283
Issue date
May 16, 2017
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of manufacturing optical fiber and apparatus of manufacturin...
Patent number
9,567,253
Issue date
Feb 14, 2017
Fujikura Ltd.
Kenji Okada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical fiber manufacturing apparatus and method
Patent number
9,458,050
Issue date
Oct 4, 2016
Fujikura, Ltd.
Kenji Okada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Optical fiber preform and method of manufacturing optical fiber usi...
Patent number
9,321,670
Issue date
Apr 26, 2016
Fujikura Ltd.
Kenji Okada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method and apparatus for manufacturing optical fiber
Patent number
9,096,464
Issue date
Aug 4, 2015
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber and method and apparatus for manufacturing optical fiber
Patent number
8,857,221
Issue date
Oct 14, 2014
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Manufacturing method of optical fiber
Patent number
8,661,856
Issue date
Mar 4, 2014
Fujikura Ltd.
Kenji Okada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Optical fiber manufacturing apparatus and optical fiber manufacturi...
Patent number
8,631,669
Issue date
Jan 21, 2014
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber manufacturing apparatus and optical fiber manufacturi...
Patent number
8,607,592
Issue date
Dec 17, 2013
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for manufacturing optical fiber and optical fiber
Patent number
8,588,573
Issue date
Nov 19, 2013
Fujikura Ltd.
Kenji Okada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method of heat treating a porous optical fiber preform
Patent number
8,341,979
Issue date
Jan 1, 2013
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Plastic glass optical fiber
Patent number
8,195,019
Issue date
Jun 5, 2012
Fujikura Ltd.
Kenji Okada
G02 - OPTICS
Information
Patent Grant
Rare-earth doped optical fiber, method of producing the same, and f...
Patent number
8,116,607
Issue date
Feb 14, 2012
Fujikura Ltd.
Kenji Okada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical fiber manufacturing, cooling and coating method
Patent number
8,015,847
Issue date
Sep 13, 2011
Fujikura Ltd.
Kenji Okada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Optical fiber drawing and twisting apparatus
Patent number
7,966,846
Issue date
Jun 28, 2011
Fujikura Ltd.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER MANUFACTURING...
Publication number
20200290919
Publication date
Sep 17, 2020
FUJIKURA LTD.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
METHOD OF WINDING OPTICAL FIBER, METHOD OF MANUFACTURING BOBBIN-WOU...
Publication number
20190331872
Publication date
Oct 31, 2019
FUJIKURA LTD.
Kenji Okada
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER AND OPTICAL FIBER
Publication number
20190049684
Publication date
Feb 14, 2019
FUJIKURA LTD.
Kenji Okada
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER AND OPTICAL FIBER
Publication number
20190047238
Publication date
Feb 14, 2019
FUJIKURA LTD.
Kenji Okada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER, OPTICAL FIBER MANUFACTURING...
Publication number
20180305239
Publication date
Oct 25, 2018
FUJIKURA LTD.
Kenji OKADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER, OPTICAL FIBER MANUFACTURING...
Publication number
20180290409
Publication date
Oct 11, 2018
FUJIKURA LTD.
Kenji OKADA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
CONTROL DEVICE AND MANUFACTURING APPARATUS OF OPTICAL FIBER
Publication number
20180099893
Publication date
Apr 12, 2018
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
CONTROL DEVICE, AND MANUFACTURING APPARATUS OF OPTICAL FIBER
Publication number
20180099894
Publication date
Apr 12, 2018
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
APPARATUS FOR MANUFACTURING AN OPTICAL FIBER
Publication number
20170210664
Publication date
Jul 27, 2017
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
APPARATUS FOR MANUFACTURING AN OPTICAL FIBER
Publication number
20170113961
Publication date
Apr 27, 2017
FUJIKURA LTD.
Kenji OKADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
MANUFACTURING METHOD, CONTROL DEVICE, AND MANUFACTURING APPARATUS O...
Publication number
20160362326
Publication date
Dec 15, 2016
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
MANUFACTURING METHOD, CONTROL DEVICE, AND MANUFACTURING APPARATUS O...
Publication number
20160347646
Publication date
Dec 1, 2016
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER, OPTICAL FIBER MANUFACTURING...
Publication number
20160229136
Publication date
Aug 11, 2016
FUJIKURA LTD.
Kenji OKADA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER, OPTICAL FIBER MANUFACTURING...
Publication number
20160229734
Publication date
Aug 11, 2016
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER AND APPARATUS OF MANUFACTURIN...
Publication number
20160185057
Publication date
Jun 30, 2016
FUJIKURA LTD.
Kenji OKADA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Method of manufacturing optical fiber and apparatus of manufacturin...
Publication number
20160185661
Publication date
Jun 30, 2016
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
BARE OPTICAL FIBER COATING DEVICE AND BARE OPTICAL FIBER COATING ME...
Publication number
20160083293
Publication date
Mar 24, 2016
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
OPTICAL FIBER MANUFACTURING APPARATUS AND METHOD
Publication number
20150321945
Publication date
Nov 12, 2015
FUJIKURA LTD.
Kenji OKADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
MANUFACTURING METHOD AND MANUFACTURING APPARATUS OF OPTICAL FIBER
Publication number
20150285994
Publication date
Oct 8, 2015
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
METHOD AND APPARATUS FOR MANUFACTURING OPTICAL FIBER
Publication number
20130118208
Publication date
May 16, 2013
FUJIKURA LTD.
Kenji OKADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL FIBER PREFORM AND METHOD OF MANUFACTURING OPTICAL FIBER USI...
Publication number
20130061637
Publication date
Mar 14, 2013
FUJIKURA LTD.
Kenji Okada
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL FIBER AND METHOD AND APPARATUS FOR MANUFACTURING OPTICAL FIBER
Publication number
20120328254
Publication date
Dec 27, 2012
FUJIKURA LTD.
Kenji OKADA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
OPTICAL FIBER AND METHOD AND APPARATUS FOR MANUFACTURING OPTICAL FIBER
Publication number
20120207439
Publication date
Aug 16, 2012
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
METHOD FOR MANUFACTURING OPTICAL FIBER
Publication number
20110274404
Publication date
Nov 10, 2011
FUJIKURA LTD.
Kenji Okada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
OPTICAL FIBER MANUFACTURING APPARATUS AND OPTICAL FIBER MANUFACTURI...
Publication number
20110265522
Publication date
Nov 3, 2011
FUJIKURA LTD.
Kenji OKADA
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
MANUFACTURING METHOD OF OPTICAL FIBER
Publication number
20110239709
Publication date
Oct 6, 2011
FUJIKURA LTD.
Kenji Okada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
OPTICAL FIBER MANUFACTURING DEVICE AND OPTICAL FIBER MANUFACTURING...
Publication number
20100319405
Publication date
Dec 23, 2010
Fujikura Ltd.
Kenji Okada
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
OPTICAL FIBER MANUFACTURING METHOD AND OPTICAL FIBER MANUFACTURING...
Publication number
20100107701
Publication date
May 6, 2010
FUJIKURA LTD.
Kenji OKADA
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
PLASTIC GLASS OPTICAL FIBER
Publication number
20100104249
Publication date
Apr 29, 2010
FUJIKURA LTD.
Kenji OKADA
G02 - OPTICS
Information
Patent Application
METHOD OF PRODUCING OPTICAL FIBER PREFORM
Publication number
20100024486
Publication date
Feb 4, 2010
FUJIKURA LTD.
Kenji OKADA
C03 - GLASS MINERAL OR SLAG WOOL