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Masao Tsukitani
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Dispersion-compensating system
Patent number
7,292,748
Issue date
Nov 6, 2007
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dispersion compensating optical fiber, dispersion compensating devi...
Patent number
7,194,171
Issue date
Mar 20, 2007
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
G02 - OPTICS
Information
Patent Grant
Optical fiber, optical transmission line and optical communications...
Patent number
7,164,829
Issue date
Jan 16, 2007
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
G02 - OPTICS
Information
Patent Grant
Dispersion-compensating module
Patent number
6,853,766
Issue date
Feb 8, 2005
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
G02 - OPTICS
Information
Patent Grant
Optical transmission line
Patent number
6,805,497
Issue date
Oct 19, 2004
Sumitomo Electric Industries, Ltd.
Shinji Ishikawa
G02 - OPTICS
Information
Patent Grant
Optical transmission line and optical transmission system including...
Patent number
6,684,017
Issue date
Jan 27, 2004
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Choromatic dispersion compensating module and optical transmission...
Patent number
6,574,404
Issue date
Jun 3, 2003
Sumitomo Electric Industries, Ltd.
Eisuke Sasaoka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dispersion-equalizing optical fiber and optical transmission line i...
Patent number
6,556,755
Issue date
Apr 29, 2003
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
G02 - OPTICS
Information
Patent Grant
Optical transmission line and optical transmission system including...
Patent number
6,496,631
Issue date
Dec 17, 2002
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Dispersion compensating optical fiber and optical transmission line
Patent number
6,466,721
Issue date
Oct 15, 2002
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
G02 - OPTICS
Information
Patent Grant
Dispersion-compensating module
Patent number
6,404,950
Issue date
Jun 11, 2002
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
G02 - OPTICS
Information
Patent Grant
Dispersion-equalizing optical fiber and optical transmission line i...
Patent number
6,301,419
Issue date
Oct 9, 2001
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Dispersion-compensating system
Publication number
20060245689
Publication date
Nov 2, 2006
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Dispersion compensating optical fiber, dispersion compensating devi...
Publication number
20030156809
Publication date
Aug 21, 2003
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Masao Tsukitani
G02 - OPTICS
Information
Patent Application
Optical fiber, optical transmission line and optical communications...
Publication number
20030147610
Publication date
Aug 7, 2003
Masao Tsukitani
G02 - OPTICS
Information
Patent Application
Dispersion compensating optical fiber and optical transmission line
Publication number
20030086671
Publication date
May 8, 2003
Masao Tsukitani
G02 - OPTICS
Information
Patent Application
Optical transmission line and optical communication system
Publication number
20030063879
Publication date
Apr 3, 2003
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Masao Tsukitani
G02 - OPTICS
Information
Patent Application
Dispersion-compensating module
Publication number
20030044112
Publication date
Mar 6, 2003
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Masao Tsukitani
G02 - OPTICS
Information
Patent Application
Dispersion-compensating module
Publication number
20020131739
Publication date
Sep 19, 2002
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
G02 - OPTICS
Information
Patent Application
Optical transmission line and optical transmission system including...
Publication number
20020048439
Publication date
Apr 25, 2002
Masao Tsukitani
G02 - OPTICS
Information
Patent Application
Dispersion-equalizing optical fiber and optical transmission line i...
Publication number
20020031317
Publication date
Mar 14, 2002
Sumitomo Electric Industries, Ltd.
Masao Tsukitani
G02 - OPTICS
Information
Patent Application
Choromatic dispersion compensating module and optical transmission...
Publication number
20010048798
Publication date
Dec 6, 2001
Eisuke Sasaoka
H04 - ELECTRIC COMMUNICATION TECHNIQUE