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Shiro Futaki
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Kanagawa, JP
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last 30 patents
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Patent Grant
Optical path switching signal transmission/reception apparatus and...
Patent number
8,798,465
Issue date
Aug 5, 2014
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Norio Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical-path-switching apparatus and light signal optical-path-swit...
Patent number
8,659,818
Issue date
Feb 25, 2014
National Institute of Advanced Industrial Science and Technology
Ichiro Ueno
G02 - OPTICS
Information
Patent Grant
Automatic circulation collection type data collecting system
Patent number
7,801,443
Issue date
Sep 21, 2010
National Institute of Advanced Industrial Science and Technology
Takashi Hiraga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
OPTICAL-PATH-SWITCHING APPARATUS AND LIGHT SIGNAL OPTICAL-PATH-SWIT...
Publication number
20130057945
Publication date
Mar 7, 2013
INTER ENERGY CO., LTD.
Ichiro Ueno
G02 - OPTICS
Information
Patent Application
OPTICAL PATH SWITCHING SIGNAL TRANSMISSION/RECEPTION APPARATUS AND...
Publication number
20120063777
Publication date
Mar 15, 2012
Dainichiseika Color & Chemicals Mfg. Co., Ltd.
Norio Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Automatic circulation collection type data collecting system
Publication number
20080075458
Publication date
Mar 27, 2008
Takashi Hiraga
H04 - ELECTRIC COMMUNICATION TECHNIQUE