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Mamoru Hihara
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Interferometer, demodulator, and splitting element
Patent number
7,864,325
Issue date
Jan 4, 2011
Yokogawa Electric Corporation
Yasuyuki Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical packet network system
Patent number
7,787,777
Issue date
Aug 31, 2010
Yokogawa Electric Corporation
Shinji Iio
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical communication apparatus
Patent number
7,746,549
Issue date
Jun 29, 2010
Yokogawa Electric Corporation
Naoaki Machida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical switch
Patent number
7,362,929
Issue date
Apr 22, 2008
Yokogawa Electric Corporation
Shinji Iio
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
DELAY INTERFEROMETER
Publication number
20090303492
Publication date
Dec 10, 2009
Yokogawa Electric Corporation
Junichiro Asano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DELAY INTERFEROMETER
Publication number
20090304394
Publication date
Dec 10, 2009
Yokogawa Electric Corporation
Junichiro Asano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DELAY INTERFEROMETER
Publication number
20090303490
Publication date
Dec 10, 2009
YOKOGAWA ELECTRIC CORPORATION
Junichiro Asano
G02 - OPTICS
Information
Patent Application
DELAY INTERFEROMETER
Publication number
20090303491
Publication date
Dec 10, 2009
Yokogawa Electric Corporation
Junichiro Asano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INTERFEROMETER, DEMODULATOR, AND SPLITTING ELEMENT
Publication number
20090027683
Publication date
Jan 29, 2009
YOKOGAWA ELECTRIC CORPORATION
Yasuyuki Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical communication apparatus
Publication number
20070127112
Publication date
Jun 7, 2007
YOKOGAWA ELECTRIC CORPORATION
Naoaki Machida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical packet network system
Publication number
20070047957
Publication date
Mar 1, 2007
Yokogawa Electric Corporation
Shinji Iio
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical switch
Publication number
20060165348
Publication date
Jul 27, 2006
YOKOGAWA ELECTRIC CORPORATION
Shinji Iio
G02 - OPTICS