Hiroki Hamaguchi

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Sakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Alignment device, splicing device, aligning method, and splicing me...
- Patent number 10,025,032
- Issue date Jul 17, 2018
- Fujikura Ltd.
- Hiroki Hamaguchi
- G02 - OPTICS
Information Patent Grant
Method of processing optical fiber
- Patent number 9,919,964
- Issue date Mar 20, 2018
- Fujikura Ltd.
- Hiroki Hamaguchi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber winding reel and reel-wound optical fiber
- Patent number 9,624,069
- Issue date Apr 18, 2017
- Fujikura Ltd.
- Hiroki Hamaguchi
- 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
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
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 Applicationslast 30 patents

Information Patent Application
ALIGNMENT DEVICE, SPLICING DEVICE, ALIGNING METHOD, AND SPLICING ME...
- Publication number 20160161673
- Publication date Jun 9, 2016
- FUJIKURA LTD.
- Hiroki HAMAGUCHI
- G02 - OPTICS
Information Patent Application
METHOD OF PROCESSING OPTICAL FIBER AND METHOD OF ESTIMATING THEREFOR
- Publication number 20160002105
- Publication date Jan 7, 2016
- FUJIKURA LTD.
- Hiroki HAMAGUCHI
- G02 - OPTICS
Information Patent Application
OPTICAL FIBER WINDING REEL AND REEL-WOUND OPTICAL FIBER
- Publication number 20150203326
- Publication date Jul 23, 2015
- FUJIKURA LTD.
- Hiroki HAMAGUCHI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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