Takuji Ogawa

Person

Odawara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Storage system having plural controllers and an expansion housing w...
- Patent number 8,468,300
- Issue date Jun 18, 2013
- Hitachi, Ltd.
- Azuma Kano
- G11 - INFORMATION STORAGE
Information Patent Grant
Storage system
- Patent number 8,291,162
- Issue date Oct 16, 2012
- Hitachi, Ltd.
- Manabu Kitamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage system
- Patent number 8,037,245
- Issue date Oct 11, 2011
- Hitachi, Ltd.
- Manabu Kitamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Storage system for checking data coincidence between a cache memory...
- Patent number 7,865,665
- Issue date Jan 4, 2011
- Hitachi, Ltd.
- Azuma Kano
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk array system
- Patent number 7,453,774
- Issue date Nov 18, 2008
- Hitachi, Ltd.
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disk array system
- Patent number 7,447,121
- Issue date Nov 4, 2008
- Hitachi, Ltd.
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disk array system and method for controlling disk array system
- Patent number 7,203,135
- Issue date Apr 10, 2007
- Hitachi, Ltd.
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disk array system and method for controlling disk array system
- Patent number 7,200,074
- Issue date Apr 3, 2007
- Hitachi, Ltd.
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Diskarray system for suppressing disk fault
- Patent number 7,181,570
- Issue date Feb 20, 2007
- Hitachi, Ltd.
- Ikuya Yagisawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disk array system and method for controlling disk array system
- Patent number 7,057,981
- Issue date Jun 6, 2006
- Hitachi, Ltd.
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disc drive having 3.5 inch form factor housing and 2.5 inch form fa...
- Patent number 6,490,123
- Issue date Dec 3, 2002
- Hitachi, Ltd.
- Nobuyuki Okunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording drive having arrangement for averaging useful li...
- Patent number 6,069,762
- Issue date May 30, 2000
- Hitachi, Ltd.
- Hajime Aoi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording drive
- Patent number 6,014,275
- Issue date Jan 11, 2000
- Hitachi, Ltd.
- Hajime Aoi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording drive having arrangements for average useful lif...
- Patent number 5,572,379
- Issue date Nov 5, 1996
- Hitachi, Ltd.
- Hajime Aoi
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo information recording method for a storage apparatus
- Patent number 5,241,435
- Issue date Aug 31, 1993
- Hitachi, Ltd.
- Shigeyoshi Saito
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk apparatus having an improved cooling structure
- Patent number 5,173,819
- Issue date Dec 22, 1992
- Hitachi, Ltd.
- Tsuyoshi Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase synchronization circuit
- Patent number 5,148,334
- Issue date Sep 15, 1992
- Hitachi, Ltd.
- Takikazu Takeuchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and method of recording/retrieving information
- Patent number 5,109,311
- Issue date Apr 28, 1992
- Hitachi, Ltd.
- Masanobu Hanazono
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for detecting minute defects on magnetic disk...
- Patent number 4,881,136
- Issue date Nov 14, 1989
- Hitachi, Ltd.
- Kazuhisa Shiraishi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
STORAGE SYSTEM
- Publication number 20120011396
- Publication date Jan 12, 2012
- Manabu Kitamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DISK ARRAY SYSTEM AND METHOD FOR CONTROLLING DISK ARRAY SYSTEM
- Publication number 20110082975
- Publication date Apr 7, 2011
- Hitachi, Ltd
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
STORAGE SYSTEM
- Publication number 20090106585
- Publication date Apr 23, 2009
- Manabu Kitamura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Disk array system
- Publication number 20070192539
- Publication date Aug 16, 2007
- Hitachi, Ltd.
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Diskarray system for suppressing disk fault
- Publication number 20050268034
- Publication date Dec 1, 2005
- Ikuya Yagisawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Disk array system and method for controlling disk array system
- Publication number 20050154942
- Publication date Jul 14, 2005
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Disk array system and method for controlling disk array system
- Publication number 20050120264
- Publication date Jun 2, 2005
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Disk array system and method for controlling disk array system
- Publication number 20050117462
- Publication date Jun 2, 2005
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Disk array system and method of controlling disk array system
- Publication number 20050117468
- Publication date Jun 2, 2005
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Disk array system and method for controlling disk array system
- Publication number 20050120263
- Publication date Jun 2, 2005
- Azuma Kano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic apparatus
- Publication number 20030151878
- Publication date Aug 14, 2003
- Azuma Kano
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Magnetic disk drive and magnetic disk drive system
- Publication number 20020093758
- Publication date Jul 18, 2002
- Hitachi, Ltd.
- Nobuyuki Okunaga
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive and magnetic disk drive system
- Publication number 20020093759
- Publication date Jul 18, 2002
- Hitachi, Ltd.
- Nobuyuki Okunaga
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disk drive and magnetic disk drive system
- Publication number 20020093760
- Publication date Jul 18, 2002
- Hitachi, Ltd.
- Nobuyuki Okunaga
- G11 - INFORMATION STORAGE

Takuji Ogawa

Person

Patents Grantslast 30 patents

Storage system having plural controllers and an expansion housing w...

Storage system

Storage system

Storage system for checking data coincidence between a cache memory...

Disk array system

Disk array system

Disk array system and method for controlling disk array system

Disk array system and method for controlling disk array system

Diskarray system for suppressing disk fault

Disk array system and method for controlling disk array system

Disc drive having 3.5 inch form factor housing and 2.5 inch form fa...

Magnetic recording drive having arrangement for averaging useful li...

Magnetic recording drive

Magnetic recording drive having arrangements for average useful lif...

Servo information recording method for a storage apparatus

Disk apparatus having an improved cooling structure

Phase synchronization circuit

Magnetic disk device and method of recording/retrieving information

Method and apparatus for detecting minute defects on magnetic disk...

Patents Applicationslast 30 patents

STORAGE SYSTEM

DISK ARRAY SYSTEM AND METHOD FOR CONTROLLING DISK ARRAY SYSTEM

STORAGE SYSTEM

Disk array system

Diskarray system for suppressing disk fault

Disk array system and method for controlling disk array system

Disk array system and method for controlling disk array system

Disk array system and method for controlling disk array system

Disk array system and method of controlling disk array system

Disk array system and method for controlling disk array system

Electronic apparatus

Magnetic disk drive and magnetic disk drive system

Magnetic disk drive and magnetic disk drive system

Magnetic disk drive and magnetic disk drive system