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Toshihiko Yasue
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Moriguchi-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Optical transmission system for performing communication using a pl...
Patent number
7,236,701
Issue date
Jun 26, 2007
Matsushita Electric Industrial Co., Ltd.
Toshihiko Yasue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavelength division multiplex transmission system
Patent number
6,891,995
Issue date
May 10, 2005
Matsushita Electric Industrial Co., Ltd.
Tsuyoshi Ikushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical switching system
Patent number
6,834,135
Issue date
Dec 21, 2004
Matsushita Electric Industrial Co., Ltd.
Toshihiko Yasue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Ultra Wideband Communication System, Transmission Device Reception...
Publication number
20070212077
Publication date
Sep 13, 2007
Toshihiko Yasue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmission system, and trasmitter, receiver and signal le...
Publication number
20050265730
Publication date
Dec 1, 2005
Toshihiko Yasue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical transmission system
Publication number
20040156644
Publication date
Aug 12, 2004
Toshihiko Yasue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical switching system
Publication number
20040151421
Publication date
Aug 5, 2004
Toshihiko Yasue
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wavelength division multiplex transmission system
Publication number
20030165286
Publication date
Sep 4, 2003
Tsuyoshi Ikushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE