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Kumiko Imai
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical module, optical transmission apparatus, WDM optical transmi...
Patent number
7,106,978
Issue date
Sep 12, 2006
The Furukawa Electric Co., Ltd.
Hideyuki Nasu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of manufacturing bismuth type oxide superconductor
Patent number
5,317,008
Issue date
May 31, 1994
The Furukawa Electric Co., Ltd.
Kumiko Imai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
Information
Patent Application
Optical module, optical transmission apparatus, WDM optical transmi...
Publication number
20030108353
Publication date
Jun 12, 2003
THE FURUKAWA ELECTRIC CO., LTD.
Hideyuki Nasu
H04 - ELECTRIC COMMUNICATION TECHNIQUE