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Mitsuomi Hada
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical fiber
Patent number
6,731,847
Issue date
May 4, 2004
Sumitomo Electric Industries, Ltd.
Takatoshi Kato
G02 - OPTICS
Information
Patent Grant
Dispersion compensator and optical transmission system
Patent number
6,628,872
Issue date
Sep 30, 2003
Sumitomo Electric Industries, Ltd.
Mitsuomi Hada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber having a large positive dispersion
Patent number
6,614,976
Issue date
Sep 2, 2003
Sumitomo Electric Industries, Ltd.
Takatoshi Kato
G02 - OPTICS
Information
Patent Grant
Optical fiber
Patent number
6,337,942
Issue date
Jan 8, 2002
Sumitomo Electric Industries, Ltd.
Takatoshi Kato
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Optical fiber
Publication number
20020106172
Publication date
Aug 8, 2002
Sumitomo Electric Industries, Ltd.
Takatoshi Kato
G02 - OPTICS
Information
Patent Application
Dispersion compensator and optical transmission system
Publication number
20010051031
Publication date
Dec 13, 2001
Mitsuomi Hada
G02 - OPTICS