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Minako Takai
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Network, server apparatus, IP corresponding terminal device, and sp...
Patent number
7,778,195
Issue date
Aug 17, 2010
NEC Infrontia Corporation
Minako Takai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network, private branch exchange, and PBX additional service starti...
Patent number
7,496,089
Issue date
Feb 24, 2009
NEC Corporation
Takanori Hiroshima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Private branch mobile communication system and method
Patent number
6,571,108
Issue date
May 27, 2003
NEC Corporation
Kiyokazu Otsuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Private branch exchange
Patent number
6,370,393
Issue date
Apr 9, 2002
NEC Corporation
Kiyokazu Otsuka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Network, private branch exchange, and PBX additional service starti...
Publication number
20050083948
Publication date
Apr 21, 2005
NEC Corporation
Takanori Hiroshima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network, server apparatus, IP corresponding terminal device, and sp...
Publication number
20050083922
Publication date
Apr 21, 2005
NEC Corporation
Minako Takai
H04 - ELECTRIC COMMUNICATION TECHNIQUE