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Yasuhiro Ishii
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Hadano, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Information processing apparatus
Patent number
7,080,227
Issue date
Jul 18, 2006
Hitachi, Ltd.
Hideki Murayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Memory managing method used in adding memory and information proces...
Patent number
7,062,627
Issue date
Jun 13, 2006
Hitachi, Ltd.
Hideki Murayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multi-processor system and its network
Patent number
6,728,258
Issue date
Apr 27, 2004
Hitachi, Ltd.
Tetsuhiko Okada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Memory managing method used in adding memory and information proces...
Patent number
6,684,312
Issue date
Jan 27, 2004
Hitachi, Ltd.
Hideki Murayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Backup switching control system and method
Patent number
6,148,415
Issue date
Nov 14, 2000
Hitachi, Ltd.
Atuo Kobayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Semiconductor integrated circuit system having function of automati...
Patent number
6,049,221
Issue date
Apr 11, 2000
Hitachi, Ltd.
Kenichi Ishibashi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-processor system and its network
Patent number
6,011,791
Issue date
Jan 4, 2000
Hitachi, Ltd.
Tetsuhiko Okada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Input/output control method and data processor
Patent number
5,678,062
Issue date
Oct 14, 1997
Hitachi, Ltd.
Tetsuhiko Okada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
File encryption method and file cryptographic system
Patent number
5,235,641
Issue date
Aug 10, 1993
Hitachi, Ltd.
Masafumi Nozawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cryptographic communication method and system
Patent number
5,144,665
Issue date
Sep 1, 1992
Hitachi, Ltd.
Kazuo Takaragi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Information processing apparatus
Publication number
20040054865
Publication date
Mar 18, 2004
Hitachi, Limited
Hideki Murayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information processing apparatus
Publication number
20020073292
Publication date
Jun 13, 2002
Hitachi, Limited
Hideki Murayama
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MEMORY MANAGING METHOD USED IN ADDING MEMORY AND INFORMATION PROCES...
Publication number
20020029325
Publication date
Mar 7, 2002
HIDEKI MURAYAMA
G06 - COMPUTING CALCULATING COUNTING