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Makoto Fukuda
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Packet communication network and packet communication method
Patent number
8,238,325
Issue date
Aug 7, 2012
Nippon Telegraph and Telephone Corporation
Kazuhiro Hayakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Packet communication network and packet communication method
Patent number
7,848,231
Issue date
Dec 7, 2010
Nippon Telegraph and Telephone Corporation
Kazuhiro Hayakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
PACKET COMMUNICATION NETWORK AND PACKET COMMUNICATION METHOD
Publication number
20090147793
Publication date
Jun 11, 2009
NIPPON TELEGRAPH AND TELEPHONE CORP.
Kazuhiro Hayakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet Communication Network and Packet Communication Method
Publication number
20070242684
Publication date
Oct 18, 2007
NIPPON TELEGRAPH AND TEPLEPHONE CORP.
Kazuhiro Hayakawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE