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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Wireless communication system
Patent number
8,185,159
Issue date
May 22, 2012
Hitachi, Ltd.
Takashi Itamiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Computer and access control method in a computer
Patent number
7,984,133
Issue date
Jul 19, 2011
Hitachi, Ltd.
Koichi Murayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Computer and access control method in a computer
Patent number
7,461,135
Issue date
Dec 2, 2008
Hitachi, Ltd.
Koichi Murayama
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Computer and Access Control Method in a Computer
Publication number
20110271336
Publication date
Nov 3, 2011
Hitachi, Ltd
Koichi Murayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
WIRELESS COMMUNICATION SYSTEM
Publication number
20100255840
Publication date
Oct 7, 2010
Hitachi, Ltd
Takashi ITAMIYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Computer and Access Control Method in a Computer
Publication number
20090077250
Publication date
Mar 19, 2009
Hitachi, Ltd
Koichi Murayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Computer and access control method in a computer
Publication number
20060101399
Publication date
May 11, 2006
Hitachi, Ltd
Koichi Murayama
G06 - COMPUTING CALCULATING COUNTING