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Mikio Sugiyama
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Internet telephone apparatus and method for an internet telephone set
Patent number
6,834,042
Issue date
Dec 21, 2004
NEC Corporation
Mikio Sugiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multipoint video-meeting control system
Patent number
6,538,685
Issue date
Mar 25, 2003
NEC Corporation
Mikio Sugiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Moving picture coding apparatus
Patent number
5,751,858
Issue date
May 12, 1998
NEC Corporation
Mikio Sugiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Multipoint video-meeting control system
Publication number
20020071027
Publication date
Jun 13, 2002
NEC Corporation
Mikio Sugiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE