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Ichihiko SUGANUMA
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Furnace for dehydrating and sintering porous glass preform
Patent number
8,897,335
Issue date
Nov 25, 2014
Furukawa Electric Co., Ltd.
Ichihiko Suganuma
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL FIBER, OPTICAL FIBER TAPE CORE WIRE, AND OPTICAL FIBER CABLE
Publication number
20230358949
Publication date
Nov 9, 2023
FURUKAWA ELECTRIC CO., LTD.
Kazunori MUKASA
G02 - OPTICS
Information
Patent Application
PRODUCTION METHOD OF OPTICAL FIBER PREFORM AND PRODUCTION METHOD OF...
Publication number
20160318792
Publication date
Nov 3, 2016
FURUKAWA ELECTRIC CO., LTD.
Ichihiko SUGANUMA
G02 - OPTICS
Information
Patent Application
FURNACE FOR DEHYDRATING AND SINTERING POROUS GLASS PREFORM
Publication number
20110222575
Publication date
Sep 15, 2011
FURUKAWA ELECTRIC CO., LTD.
Ichihiko SUGANUMA
C03 - GLASS MINERAL OR SLAG WOOL