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Takashi Kagei
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Sagamihara, JP
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last 30 patents
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Patent Grant
Management system for updating network managed by physical manager...
Patent number
5,764,911
Issue date
Jun 9, 1998
Hitachi, Ltd.
Satoru Tezuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hierarchical network management system
Patent number
5,651,006
Issue date
Jul 22, 1997
Hitachi, Ltd.
Shuji Fujino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network management operation system and network management operatio...
Patent number
5,586,255
Issue date
Dec 17, 1996
Yasuhiro Tanaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network management system and network status display method
Patent number
5,471,399
Issue date
Nov 28, 1995
Hitachi, Ltd.
Yasuhiro Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Network management method and system
Patent number
5,204,955
Issue date
Apr 20, 1993
Hitachi, Ltd.
Takashi Kagei
H04 - ELECTRIC COMMUNICATION TECHNIQUE