Inventor

NISHIKAWA NORIFUMI

JP67 patents

⚠️ This page may combine multiple inventors who share the name “NISHIKAWA NORIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NISHIKAWA NORIFUMI

HITACHI LTD

Computer system for managing performances of storage apparatus and performance management method of the computer system

Cache management method for storage device

Computer system for recovering data based on priority of the data

Computer system for managing performances of storage apparatus and performance management method of the computer system

Method and system for querying database, as well as a recording medium for storing a database querying program

Performance monitoring method in a distributed processing system

Database recovery method applying update journal and database log

Cache memory managing method for computer system

Distributed database system and method of detecting contention in data update involved in replication of database data

Prefetch appliance server

Data prefetching method

Computer system, computer, data access method and database system

Management device and management method

System monitoring method

Method and computer system for allocating database data based on access frequency

Database recovery method applying update journal and database log

Computer system, storage subsystem, and write processing control method

Database system including center server and local servers

Information processing system and system setting method

Method and apparatus for managing faults in storage system having job management function

Method for changing database construction information

Computer system

Method for creation and management of virtual volumes for DBMs

Caching managing method for network and terminal for data retrieving

Database system including center server and local servers

Pre-fetch computer system

Database management system, computer, and database management method

Method and system for detecting tables to be modified

Information system and data access method

Method of reducing storage power consumption by use of prefetch and computer system using the same

Computer system and database management method using the same

Computer system and method for reducing power consumption of storage system

Computer system

Cache memory managing method for computer system

Method and apparatus for managing faults in storage system having job management function

Method and apparatus for managing faults in storage system having job management function

Method of controlling a database management system by changing allocation of cache memory

Performance monitoring method in a distributed processing system

Database management system, and query method and query execution program in the database management system

Method of exclusive control of areas in page for tuple-oriented file system

Data processing apparatus and data processing method

Update method and database update apparatus

Storage system and data cache method

Computer system and query processing method

Data layout model generation system

Computer system and database management method

Cache memory managing method for computer system

NISHIKAWA NORIFUMI

Storage apparatus and storage system including storage media having different performances

SHINOHARA DAISUKE

Coupling between server and storage apparatus using detected I/O adaptor and allowing application execution based on access group and port connection group in virtualized environment

IDEI HIDEOMI

Computer system and method for reducing power consumption of storage system