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Takakazu Gotoh
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Sakura-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Optical fiber preform and manufacturing method therefor
Patent number
8,567,217
Issue date
Oct 29, 2013
Fujikura Ltd.
Takakazu Gotoh
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for fabricating porous silica preform
Patent number
8,375,749
Issue date
Feb 19, 2013
Fujikura Ltd.
Kentaro Ichii
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Method for fabricating porous silica preform
Patent number
7,647,792
Issue date
Jan 19, 2010
Fujikura Ltd.
Kentaro Ichii
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR FABRICATING POROUS SILICAPREFORM AND POROUS SILICA PREFORM
Publication number
20100077800
Publication date
Apr 1, 2010
FUJIKURA LTD.
Kentaro Ichii
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method for fabricating porous silicapreform and porous silica preform
Publication number
20050109065
Publication date
May 26, 2005
FUJIKURA LTD.
Kentaro Ichii
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Optical fiber preform and manufacturing method therefor
Publication number
20040221618
Publication date
Nov 11, 2004
FUJIKURA LTD.
Takakazu Gotoh
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Production process for porous glass preform
Publication number
20040007025
Publication date
Jan 15, 2004
FUJIKURA LTD.
Takakazu Gotoh
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...