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Tamotsu Kamiya
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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical communication link
Patent number
6,795,608
Issue date
Sep 21, 2004
The Furukawa Electric Co., Ltd.
Youichi Akasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber and optical signal transmission system using this opt...
Patent number
6,704,486
Issue date
Mar 9, 2004
The Furukawa Electric Co., Ltd.
Tamotsu Kamiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dispersion shifted optical fiber
Patent number
6,175,680
Issue date
Jan 16, 2001
The Furukawa Electric Co. Ltd.
Shinichi Arai
G02 - OPTICS
Information
Patent Grant
Dispersion compensating optical fiber
Patent number
5,887,104
Issue date
Mar 23, 1999
The Furukawa Electric Co., Ltd.
Ryuichi Sugizaki
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Optical fiber and optical signal transmission system using this opt...
Publication number
20030081920
Publication date
May 1, 2003
THE FURUKAWA ELECTRIC CO., LTD.
Tamotsu Kamiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical communication link
Publication number
20030081889
Publication date
May 1, 2003
THE FURUKAWA ELECTRIC CO., LTD.
Youichi Akasaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE