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Keiko Tanigawa
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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Vehicle-mounted information system, and data gathering method in di...
Patent number
8,095,264
Issue date
Jan 10, 2012
Hitachi, Ltd.
Keiko Tanigawa
G07 - CHECKING-DEVICES
Information
Patent Grant
Multimedia communication system
Patent number
7,606,859
Issue date
Oct 20, 2009
Hitachi, Ltd.
Kenta Shiga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system and communication method
Patent number
7,508,822
Issue date
Mar 24, 2009
Hitachi, Ltd.
Keiko Tanigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Storage system, storage device and information common sharing metho...
Patent number
7,318,110
Issue date
Jan 8, 2008
Hitachi, Ltd.
Kazuma Yumoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication system and communication method
Patent number
7,233,589
Issue date
Jun 19, 2007
Hitachi, Ltd.
Keiko Tanigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of requesting security and release of communication band
Patent number
7,145,901
Issue date
Dec 5, 2006
Hitachi, Ltd.
Koji Tsukada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data gateway and method for relaying data
Patent number
6,618,368
Issue date
Sep 9, 2003
Hitachi, Ltd.
Keiko Tanigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system with communication route retrieval and selecti...
Patent number
6,483,835
Issue date
Nov 19, 2002
Hitachi, Ltd.
Keiko Tanigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
COMPUTER SYSTEM
Publication number
20160036632
Publication date
Feb 4, 2016
Hitachi, Ltd
Keiko Tanigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMPUTER SYSTEM AND VIRTUAL SERVER MIGRATION CONTROL METHOD FOR COM...
Publication number
20140143391
Publication date
May 22, 2014
Hitachi, Ltd
Keiko Tanigawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Vehicle-mounted information system, and data gathering method in di...
Publication number
20090299566
Publication date
Dec 3, 2009
Hitachi, Ltd.
Keiko TANIGAWA
G07 - CHECKING-DEVICES
Information
Patent Application
Communication system and communication method
Publication number
20080069315
Publication date
Mar 20, 2008
Hitachi, Ltd.
Keiko Tanigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Distributed communication system
Publication number
20040103149
Publication date
May 27, 2004
Keiko Tanigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multimedia communication system
Publication number
20040083282
Publication date
Apr 29, 2004
Kenta Shiga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Storage system, storage device and information common sharing metho...
Publication number
20040024909
Publication date
Feb 5, 2004
Kazuma Yumoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Communication system and communication method
Publication number
20040001480
Publication date
Jan 1, 2004
Keiko Tanigawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of requesting security and release of communication band
Publication number
20020176406
Publication date
Nov 28, 2002
Koji Tsukada
H04 - ELECTRIC COMMUNICATION TECHNIQUE