Teruo Nagasawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Remote copy for a storage controller in a heterogeneous environment
- Patent number 7,213,114
- Issue date May 1, 2007
- Hitachi, Ltd.
- Toshio Nakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Subsystem replacement method
- Patent number 7,200,729
- Issue date Apr 3, 2007
- Hitachi, Ltd.
- Teruo Nagasawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adaptive remote copy in a heterogeneous environment
- Patent number 7,114,049
- Issue date Sep 26, 2006
- Hitachi, Ltd.
- Kyosuke Achiwa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for data duplexing in storage unit system
- Patent number 7,069,403
- Issue date Jun 27, 2006
- Hitachi, Ltd.
- Tooru Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for data duplexing in storage unit system
- Patent number 6,988,176
- Issue date Jan 17, 2006
- Hitachi, Ltd.
- Tooru Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Subsystem replacement method
- Patent number 6,950,917
- Issue date Sep 27, 2005
- Hitachi, Ltd.
- Teruo Nagasawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data backup in presence of pending hazard
- Patent number 6,845,435
- Issue date Jan 18, 2005
- Hitachi, Ltd.
- Teruo Nagasawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data backup in presence of pending hazard
- Patent number 6,684,306
- Issue date Jan 27, 2004
- Hitachi, Ltd.
- Teruo Nagasawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for data duplexing in storage unit system
- Patent number 6,665,781
- Issue date Dec 16, 2003
- Hitachi, Ltd.
- Tooru Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Subsystem replacement method
- Patent number 6,647,476
- Issue date Nov 11, 2003
- Hitachi, Ltd.
- Teruo Nagasawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information storage system
- Patent number 6,584,473
- Issue date Jun 24, 2003
- Hitachi, Ltd.
- Takahisa Kimura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Subsystem replacement method
- Patent number 6,240,494
- Issue date May 29, 2001
- Hitachi, Ltd.
- Teruo Nagasawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disk cache unit having reduced waiting times for data transfer
- Patent number 5,475,859
- Issue date Dec 12, 1995
- Hitachi, Ltd.
- Kosaku Kamabayashi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Disk cache control unit
- Patent number 5,369,751
- Issue date Nov 29, 1994
- Hitachi, Ltd.
- Kosaku Kambayashi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Subsystem replacement method
- Publication number 20050240741
- Publication date Oct 27, 2005
- Teruo Nagasawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Remote copy for a storgae controller in a heterogeneous environment
- Publication number 20050120093
- Publication date Jun 2, 2005
- Hitachi, Ltd
- Toshio Nakano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Adaptive remote copy in a heterogeneous environment
- Publication number 20050021627
- Publication date Jan 27, 2005
- Hitachi, Ltd
- Kyosuke Achiwa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Data storage controller
- Publication number 20040153604
- Publication date Aug 5, 2004
- HITACHI, LTD.
- Teruo Nagasawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for data duplexing in storage unit system
- Publication number 20040078535
- Publication date Apr 22, 2004
- Hitachi, Ltd
- Tooru Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for data duplexing in storage unit system
- Publication number 20040068628
- Publication date Apr 8, 2004
- Hitachi, Ltd
- Tooru Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Subsystem replacement method
- Publication number 20030145169
- Publication date Jul 31, 2003
- Teruo Nagasawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION STORAGE SYSTEM
- Publication number 20030078903
- Publication date Apr 24, 2003
- TAKAHISA KIMURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for data duplexing in storage unit system
- Publication number 20020046330
- Publication date Apr 18, 2002
- Tooru Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Subsystem replacement method
- Publication number 20010000818
- Publication date May 3, 2001
- Teruo Nagasawa
- G06 - COMPUTING CALCULATING COUNTING

Teruo Nagasawa

Person

Patents Grantslast 30 patents

Remote copy for a storage controller in a heterogeneous environment

Subsystem replacement method

Adaptive remote copy in a heterogeneous environment

Method and apparatus for data duplexing in storage unit system

Method and apparatus for data duplexing in storage unit system

Subsystem replacement method

Data backup in presence of pending hazard

Data backup in presence of pending hazard

Method and apparatus for data duplexing in storage unit system

Subsystem replacement method

Information storage system

Subsystem replacement method

Disk cache unit having reduced waiting times for data transfer

Disk cache control unit

Patents Applicationslast 30 patents

Subsystem replacement method

Remote copy for a storgae controller in a heterogeneous environment

Adaptive remote copy in a heterogeneous environment

Data storage controller

Method and apparatus for data duplexing in storage unit system

Method and apparatus for data duplexing in storage unit system

Subsystem replacement method

INFORMATION STORAGE SYSTEM

Method and apparatus for data duplexing in storage unit system

Subsystem replacement method