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Yoshio Miyamori
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Yokohama, JP
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Patents Grants
last 30 patents
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Patent Grant
Communication system using passive optical network and passive opti...
Patent number
8,160,448
Issue date
Apr 17, 2012
Hitachi, Ltd.
Munetoshi Tsuge
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system using passive optical network and passive opti...
Patent number
8,160,447
Issue date
Apr 17, 2012
Hitachi, Ltd.
Munetoshi Tsuge
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Communication System Using Passive Optical Network and Passive Opti...
Publication number
20090232498
Publication date
Sep 17, 2009
Munetoshi Tsuge
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication System Using Passive Optical Network and Passive Opti...
Publication number
20090103918
Publication date
Apr 23, 2009
Munetoshi Tsuge
H04 - ELECTRIC COMMUNICATION TECHNIQUE