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Yoshifumi ATARASHI
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Communication apparatus to manage whitelist information
Patent number
10,193,890
Issue date
Jan 29, 2019
Alaxala Networks Corporation
Keigo Uchizumi
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 transfer device and transfer control method thereof
Patent number
8,179,904
Issue date
May 15, 2012
Alaxala Networks Corporation
Minoru Hidaka
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
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
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
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
7,072,339
Issue date
Jul 4, 2006
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
7,072,338
Issue date
Jul 4, 2006
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
6,985,485
Issue date
Jan 10, 2006
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
6,928,077
Issue date
Aug 9, 2005
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
6,920,136
Issue date
Jul 19, 2005
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication method between IPv4 terminal and IPv6 terminal and IP...
Patent number
6,920,138
Issue date
Jul 19, 2005
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
6,920,137
Issue date
Jul 19, 2005
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
6,912,219
Issue date
Jun 28, 2005
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
6,690,669
Issue date
Feb 10, 2004
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication apparatus and method of hand over of an assigned grou...
Patent number
6,598,071
Issue date
Jul 22, 2003
Hitachi, Ltd.
Kenji Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System for reliably connecting a client computer to a server computer
Patent number
6,173,312
Issue date
Jan 9, 2001
Hitachi, Ltd.
Yoshifumi Atarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Patent number
6,118,784
Issue date
Sep 12, 2000
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processor having high speed and safety resume system
Patent number
5,485,623
Issue date
Jan 16, 1996
Hitachi, Ltd.
Yoshiki Kurokawa
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
COMMUNICATION APPARATUS
Publication number
20170063861
Publication date
Mar 2, 2017
ALAXALA Networks Corporation
Keigo UCHIZUMI
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
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
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
Packet transfer device and transfer control method thereof
Publication number
20060209853
Publication date
Sep 21, 2006
Minoru Hidaka
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
Network control method and equipment
Publication number
20040158643
Publication date
Aug 12, 2004
Hitachi, Ltd.
Shinsuke Suzuki
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
Communication method between IPv4 terminal and IPv6 terminal and IP...
Publication number
20020150112
Publication date
Oct 17, 2002
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Publication number
20020136237
Publication date
Sep 26, 2002
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Publication number
20020136216
Publication date
Sep 26, 2002
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Publication number
20020024960
Publication date
Feb 28, 2002
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Publication number
20020021703
Publication date
Feb 21, 2002
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Publication number
20020021704
Publication date
Feb 21, 2002
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Publication number
20020021705
Publication date
Feb 21, 2002
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Communicating method between IPv4 terminal and IPv6 terminal and IP...
Publication number
20020021706
Publication date
Feb 21, 2002
Hitachi, Ltd.
Kazuaki Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE