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Masanori Kamata
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multicast accounting control system and broadband access server
Patent number
7,848,342
Issue date
Dec 7, 2010
Hitachi, Ltd.
Masanori Kamata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet forwarding control method and packet forwarding apparatus
Patent number
7,792,972
Issue date
Sep 7, 2010
Hitachi, Ltd.
Masanori Kamata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for packet forwarding in layer 2 network
Patent number
7,733,859
Issue date
Jun 8, 2010
Hitachi, Ltd.
Tadashi Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet forwarding apparatus and communication network suitable for...
Patent number
7,656,872
Issue date
Feb 2, 2010
Hitachi Communication Technologies, Ltd.
Tetsuro Yoshimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet transfer apparatus
Patent number
7,626,934
Issue date
Dec 1, 2009
Hitachi Communication Technologies, Ltd.
Ken Oouchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system
Patent number
7,577,141
Issue date
Aug 18, 2009
Hitachi Communication Technologies, Ltd.
Masanori Kamata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast accounting control system and broadband access server
Patent number
7,474,669
Issue date
Jan 6, 2009
Hitachi Communication Technologies, Ltd.
Masanori Kamata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MULTICAST ACCOUNTING CONTROL SYSTEM AND BROADBAND ACCESS SERVER
Publication number
20090080427
Publication date
Mar 26, 2009
Masanori Kamata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PACKET FORWARDING CONTROL METHOD AND PACKET FORWARDING APPARATUS
Publication number
20080028077
Publication date
Jan 31, 2008
Masanori KAMATA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND METHOD FOR PACKET FORWARDING IN LAYER 2 NETWORK
Publication number
20070274290
Publication date
Nov 29, 2007
Tadashi Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communication system
Publication number
20070171930
Publication date
Jul 26, 2007
Masanori Kamata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet transfer apparatus
Publication number
20060146818
Publication date
Jul 6, 2006
Ken Oouchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet forwarding apparatus and communication network suitable for...
Publication number
20060120374
Publication date
Jun 8, 2006
Hitachi Communication Technologies, Ltd.
Tetsuro Yoshimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multicast accounting control system and broadband access server
Publication number
20060109795
Publication date
May 25, 2006
Masanori Kamata
H04 - ELECTRIC COMMUNICATION TECHNIQUE