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Shunichi Kumagai
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Tokyo, JP
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last 30 patents
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Patent Grant
Line relaying device, TDM line detour system, and TDM line detour c...
Patent number
9,407,553
Issue date
Aug 2, 2016
NEC Corporation
Tsutomu Koike
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network repeater, QoS control method and storage medium storing QoS...
Patent number
9,019,831
Issue date
Apr 28, 2015
NEC Corporation
Hiroaki Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Chip-type resistor
Patent number
4,792,781
Issue date
Dec 20, 1988
TDK Corporation
Tetsuo Takahashi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
LINE RELAYING DEVICE, TDM LINE DETOUR SYSTEM, AND TDM LINE DETOUR C...
Publication number
20140313896
Publication date
Oct 23, 2014
NEC Corporation
Tsutomu Koike
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK REPEATER, QoS CONTROL METHOD AND STORAGE MEDIUM STORING QoS...
Publication number
20130070600
Publication date
Mar 21, 2013
NEC Corporation
Hiroaki Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE