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Kazuhiro Minamimoto
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ring node apparatus
Patent number
7,885,181
Issue date
Feb 8, 2011
Fujitsu Limited
Toshihiro Ban
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of controlling optical wavelength division multiplexing tran...
Patent number
7,206,512
Issue date
Apr 17, 2007
Fujitsu Limited
Akihisa Kawaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Level adjustment method and wavelength division multiplexing device...
Patent number
6,839,518
Issue date
Jan 4, 2005
Fujitsu Limited
Kazuhiro Minamimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Erroneous package mounting determination method for a transmission...
Patent number
6,317,843
Issue date
Nov 13, 2001
Fujitsu Limited
Kazuhiro Minamimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Ring node apparatus
Publication number
20080159300
Publication date
Jul 3, 2008
Toshihiro Ban
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Ring node device and method of connecting terminal to ring node device
Publication number
20070217438
Publication date
Sep 20, 2007
FUJITSU LIMITED
Masanori Kondo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of controlling optical wavelength division multiplexing tran...
Publication number
20040202469
Publication date
Oct 14, 2004
FUJITSU LIMITED
Akihisa Kawaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE