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Hidemitsu Higuchi
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and system effectively using a plurality of authenticatio...
Patent number
10,003,968
Issue date
Jun 19, 2018
Alaxala Networks Corporation
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Authentication switch and network system
Patent number
9,325,685
Issue date
Apr 26, 2016
Alaxala Networks Corporation
Yasunori Yamamoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Authentication method, transfer apparatus, and authentication server
Patent number
9,258,305
Issue date
Feb 9, 2016
Alaxala Networks Corporation
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet routing apparatus
Patent number
8,995,452
Issue date
Mar 31, 2015
Hitachi, Ltd.
Shigeki Yoshino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Terminal connection status management with network authentication
Patent number
8,910,248
Issue date
Dec 9, 2014
Alaxala Networks Corporation
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network management system and management computer
Patent number
8,681,657
Issue date
Mar 25, 2014
Alaxala Networks Corporation
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
8,594,108
Issue date
Nov 26, 2013
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet routing apparatus
Patent number
8,514,869
Issue date
Aug 20, 2013
Hitachi, Ltd.
Shigeki Yoshino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network controller and control method with flow analysis and contro...
Patent number
8,358,592
Issue date
Jan 22, 2013
Alaxala Networks Corporation
Yoshinori Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
8,031,716
Issue date
Oct 4, 2011
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet routing apparatus
Patent number
7,983,283
Issue date
Jul 19, 2011
Hitachi, Ltd.
Shigeki Yoshino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet communication method and apparatus and a recording medium st...
Patent number
7,957,405
Issue date
Jun 7, 2011
Hitachi, Ltd.
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for network access control
Patent number
7,917,621
Issue date
Mar 29, 2011
Alaxala Networks Corporation
Shinsuke Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast routing method and apparatus for routing multicast packet
Patent number
7,860,094
Issue date
Dec 28, 2010
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
7,746,863
Issue date
Jun 29, 2010
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet communication method and apparatus and a recording medium st...
Patent number
7,701,952
Issue date
Apr 20, 2010
Hitachi, Ltd.
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network controller and control method with flow analysis and contro...
Patent number
7,609,629
Issue date
Oct 27, 2009
Alaxala Networks Corporation
Yoshinori Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet routing apparatus
Patent number
7,609,704
Issue date
Oct 27, 2009
Hitachi, Ltd.
Shigeki Yoshino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet routing apparatus and method of efficiently routing packets...
Patent number
7,586,916
Issue date
Sep 8, 2009
Hitachi, Ltd.
Yoshitaka Sainomoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast communication method
Patent number
7,583,698
Issue date
Sep 1, 2009
Hitachi, Ltd.
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast routing method and apparatus for routing multicast packet
Patent number
7,502,372
Issue date
Mar 10, 2009
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast routing method and apparatus for routing multicast packet
Patent number
7,403,520
Issue date
Jul 22, 2008
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast routing method and apparatus for routing multicast packet
Patent number
7,403,522
Issue date
Jul 22, 2008
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast routing method and an apparatus for routing a multicast p...
Patent number
7,400,645
Issue date
Jul 15, 2008
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast routing method and an apparatus for routing a multicast p...
Patent number
7,400,646
Issue date
Jul 15, 2008
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet communication method and apparatus and a recording medium st...
Patent number
7,385,989
Issue date
Jun 10, 2008
Hitachi, Ltd.
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
7,193,998
Issue date
Mar 20, 2007
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network connection apparatus
Patent number
7,177,310
Issue date
Feb 13, 2007
Hitachi, Ltd.
Yukihide Inagaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multicast routing method and apparatus for routing multicast packet
Patent number
7,158,514
Issue date
Jan 2, 2007
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Packet communication method and apparatus and a recording medium st...
Patent number
7,158,526
Issue date
Jan 2, 2007
Hitachi, Ltd.
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS AND SYSTEM EFFECTIVELY USING A PLURALITY OF AUTHENTICATIO...
Publication number
20140373112
Publication date
Dec 18, 2014
Hidemitsu HIGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUTHENTICATION METHOD, TRANSFER APPARATUS, AND AUTHENTICATION SERVER
Publication number
20140237544
Publication date
Aug 21, 2014
ALAXALA NETWORKS CORPORATION
Hidemitsu HIGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUTHENTICATION SWITCH AND NETWORK SYSTEM
Publication number
20140223511
Publication date
Aug 7, 2014
ALAXALA NETWORKS CORPORATION
Yasunori YAMAMOTO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PACKET ROUTING APPARATUS
Publication number
20140105217
Publication date
Apr 17, 2014
Hitachi, Ltd
Shigeki Yoshino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK MANAGEMENT SYSTEM, AND NETWORK DEVICE
Publication number
20130073706
Publication date
Mar 21, 2013
ALAXALA Networks Corporation
Tomoyuki Iijima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK MANAGEMENT SYSTEM AND MANAGEMENT COMPUTER
Publication number
20130010640
Publication date
Jan 10, 2013
ALAXALA Networks Corporation
Hidemitsu HIGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TERMINAL CONNECTION STATUS MANAGEMENT WITH NETWORK AUTHENTICATION
Publication number
20120084840
Publication date
Apr 5, 2012
ALAXALA Networks Corporation
HIDEMITSU HIGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATING METHOD BETWEEN IPv4 TERMINAL AND IPv6 TERMINAL AND IP...
Publication number
20120005305
Publication date
Jan 5, 2012
Hitachi, Ltd
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PACKET ROUTING APPARATUS
Publication number
20110194565
Publication date
Aug 11, 2011
Shigeki Yoshino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
APPARATUS AND SYSTEM EFFECTIVELY USING A PLURALITY OF AUTHENTICATIO...
Publication number
20110119735
Publication date
May 19, 2011
Hidemitsu HIGUCHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMMUNICATING METHOD BETWEEN IPv4 TERMINAL AND IPv6 TERMINAL AND IP...
Publication number
20100202459
Publication date
Aug 12, 2010
Hitachi, Ltd
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PACKET COMMUNICATION METHOD AND APPARATUS AND A RECORDING MEDIUM ST...
Publication number
20100158012
Publication date
Jun 24, 2010
Hitachi, Ltd
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PACKET ROUTING APPARATUS
Publication number
20100002713
Publication date
Jan 7, 2010
Shigeki Yoshino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
NETWORK CONTROLLER AND CONTROL METHOD WITH FLOW ANALYSIS AND CONTRO...
Publication number
20090232000
Publication date
Sep 17, 2009
ALAXALA NETWORKS CORPORATION
Yoshinori Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTICAST ROUTING METHOD AND APPARATUS FOR ROUTING MULTICAST PACKET
Publication number
20090016345
Publication date
Jan 15, 2009
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet communication method and apparatus and a recording medium st...
Publication number
20080056301
Publication date
Mar 6, 2008
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network control apparatus and network control method
Publication number
20070204060
Publication date
Aug 30, 2007
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Publication number
20070133600
Publication date
Jun 14, 2007
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multicast routing method and apparatus for routing multicast packet
Publication number
20060274751
Publication date
Dec 7, 2006
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for network access control
Publication number
20060274768
Publication date
Dec 7, 2006
Shinsuke Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet routing apparatus
Publication number
20060251048
Publication date
Nov 9, 2006
Shigeki Yoshino
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Network controller, network control system and network control method
Publication number
20060230167
Publication date
Oct 12, 2006
Yoshinori Watanabe
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet routing apparatus and method of efficiently routing packets...
Publication number
20060209835
Publication date
Sep 21, 2006
Yoshitaka Sainomoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multicast communication method
Publication number
20050249213
Publication date
Nov 10, 2005
Hitachi, Ltd.
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Publication number
20050243828
Publication date
Nov 3, 2005
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Information relay apparatus and method for collecting flow statisti...
Publication number
20050213504
Publication date
Sep 29, 2005
Hiroshi Enomoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet communication method and apparatus and a recording medium st...
Publication number
20030193965
Publication date
Oct 16, 2003
Hitachi, Ltd.
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet distributing system and method for distributing access packe...
Publication number
20030195919
Publication date
Oct 16, 2003
Tatsuya Watanuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multicast routing method and apparatus for routing multicast packet
Publication number
20020181465
Publication date
Dec 5, 2002
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Packet communication method and apparatus and a recording medium st...
Publication number
20020181500
Publication date
Dec 5, 2002
Hitachi, Ltd.
Hidemitsu Higuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE