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Takahide Sugita
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Network system, control method thereof and controller
Patent number
8,861,359
Issue date
Oct 14, 2014
NEC Corporation
Takahide Sugita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network system, controller, and network control method
Patent number
8,611,220
Issue date
Dec 17, 2013
NEC Corporation
Takahide Sugita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distribution monitoring system, distribution monitoring method, and...
Patent number
8,560,682
Issue date
Oct 15, 2013
NEC Corporation
Takahide Sugita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical transmission switching device
Patent number
7,609,728
Issue date
Oct 27, 2009
NEC Corporation
Toshiaki Arikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiplex communication system and method
Patent number
7,372,804
Issue date
May 13, 2008
NEC Corporation
Toshiaki Arikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Network system, control method thereof and controller
Publication number
20120075991
Publication date
Mar 29, 2012
NEC Corporation
Takahide Sugita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Network system, controller, and network control method
Publication number
20120020220
Publication date
Jan 26, 2012
NEC Corporation
Takahide Sugita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DISTRIBUTION MONITORING SYSTEM, DISTRIBUTION MONITORING METHOD, AND...
Publication number
20110314146
Publication date
Dec 22, 2011
NEC Corporation
Takahide Sugita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Monitoring/analyzing apparatus, monitoring/analyzing method and pro...
Publication number
20090193115
Publication date
Jul 30, 2009
NEC Corporation
Takahide Sugita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Optical transmission switching device
Publication number
20060072923
Publication date
Apr 6, 2006
NEC Corporation
Toshiaki Arikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multiplex communication system and method
Publication number
20030133712
Publication date
Jul 17, 2003
NEC Corporation
Toshiaki Arikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE