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Hidehiro FUKUSHIMA
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Inagi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Relay device, network system and computer program product
Patent number
9,253,080
Issue date
Feb 2, 2016
Alaxala Networks Corporation
Yoshihiro Kaya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network relay apparatus and inter-network relay method
Patent number
8,817,683
Issue date
Aug 26, 2014
Alaxala Networks Corporation
Toshiyuki Kubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network apparatus for redundant multicast
Patent number
7,974,282
Issue date
Jul 5, 2011
Alaxala Networks Corporation
Takeshi Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method, apparatus and system for distributing multicast data
Patent number
7,606,227
Issue date
Oct 20, 2009
Hitachi, Ltd.
Hidehiro Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device and system for multicast communication
Patent number
7,443,851
Issue date
Oct 28, 2008
Hitachi, Ltd.
Hidehiro Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and method for using active and standby routers wherein both...
Patent number
6,490,246
Issue date
Dec 3, 2002
Hitachi, Ltd.
Hidehiro Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Router device and network system using the same
Patent number
6,292,489
Issue date
Sep 18, 2001
Hitachi, Ltd.
Hidehiro Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiplex router device comprising a function for controlling a tra...
Patent number
6,049,524
Issue date
Apr 11, 2000
Hitachi, Ltd.
Hidehiro Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Router device and network system using the same
Patent number
6,034,964
Issue date
Mar 7, 2000
Hitachi, Ltd.
Hidehiro Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
ATM switch and intermediate system
Patent number
5,777,994
Issue date
Jul 7, 1998
Hitachi, Ltd.
Masatoshi Takihiro
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
RELAY DEVICE, NETWORK SYSTEM AND COMPUTER PROGRAM PRODUCT
Publication number
20120287937
Publication date
Nov 15, 2012
ALAXALA Networks Corporation
YOSHIHIRO KAYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK RELAY APPARATUS AND INTER-NETWORK RELAY METHOD
Publication number
20100303073
Publication date
Dec 2, 2010
ALAXALA NETWORKS CORPORATION
Toshiyuki KUBO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network apparatus for redundant multicast
Publication number
20080130644
Publication date
Jun 5, 2008
ALAXALA Networks Corporation
Takeshi Shibata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method, apparatus and system for distributing multicast data
Publication number
20040264463
Publication date
Dec 30, 2004
Hidehiro Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data distribution system
Publication number
20040098448
Publication date
May 20, 2004
Hidehiro Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Device and system for multicast communication
Publication number
20030218980
Publication date
Nov 27, 2003
Hitachi, Ltd
Hidehiro Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ROUTER DEVICE HAVING A REDUNDANT CONFIGURATION
Publication number
20020060986
Publication date
May 23, 2002
HIDEHIRO FUKUSHIMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Router device and network system using the same
Publication number
20020027924
Publication date
Mar 7, 2002
Hidehiro Fukushima
H04 - ELECTRIC COMMUNICATION TECHNIQUE