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Kawasaki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Log analysis system, method and apparatus
Patent number
7,752,663
Issue date
Jul 6, 2010
Hitachi, Ltd.
Hirofumi Nakakoji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Network management system for generating setup information for a pl...
Patent number
7,143,151
Issue date
Nov 28, 2006
Hitachi, Ltd.
Makoto Kayashima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Repeater and network system utililzing the same
Patent number
6,754,212
Issue date
Jun 22, 2004
Hitachi, Ltd.
Masato Terada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of collectively managing dispersive log, network system and...
Patent number
6,336,141
Issue date
Jan 1, 2002
Hitachi, Ltd.
Tatsuya Fujiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network communication system
Patent number
6,195,366
Issue date
Feb 27, 2001
Hitachi, Ltd.
Makoto Kayashima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Repeater and network system utilizing the same
Patent number
6,111,883
Issue date
Aug 29, 2000
Hitachi, Ltd.
Masato Terada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of collectively managing dispersive log, network system and...
Patent number
6,052,728
Issue date
Apr 18, 2000
Hitachi, Ltd.
Tatsuya Fujiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network system having external/internal audit system for computer s...
Patent number
5,931,946
Issue date
Aug 3, 1999
Hitachi, Ltd.
Masato Terada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Security system and method for computers connected to network
Patent number
5,919,258
Issue date
Jul 6, 1999
Hitachi, Ltd.
Makoto Kayashima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Voice mail communication system
Patent number
5,625,675
Issue date
Apr 29, 1997
Hitachi, Ltd.
Ikuko Katsumaru
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
CONNECTION DESTINATION MALIGNANCY DETERMINATION SYSTEM, CONNECTION...
Publication number
20240333729
Publication date
Oct 3, 2024
Hitachi, Ltd
Shota FUJII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COMPUTER SYSTEM AND METHOD FOR SHARING INFORMATION
Publication number
20220263839
Publication date
Aug 18, 2022
Hitachi, Ltd
Shota FUJII
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION LEAK FILE DETECTION APPARATUS AND METHOD AND PROGRAM TH...
Publication number
20120005147
Publication date
Jan 5, 2012
Hitachi Information Systems, Ltd.
HIROFUMI NAKAKOJI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Attack node set determination apparatus and method, information pro...
Publication number
20100050260
Publication date
Feb 25, 2010
Hitachi Information Systems, Ltd.
Hirofumi Nakakoji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Log analysis system, method and apparatus
Publication number
20060259968
Publication date
Nov 16, 2006
Hirofumi Nakakoji
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Security management system and security managing method
Publication number
20010025346
Publication date
Sep 27, 2001
Makoto Kayashima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Security management system and security managing method
Publication number
20010023486
Publication date
Sep 20, 2001
Makoto Kayashima
G06 - COMPUTING CALCULATING COUNTING