Inventor

KITAJIMA HIROYUKI

JP58 patents

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

KITAJIMA HIROYUKI

HITACHI LTD

Buffered peripheral system and method for backing up and retrieving data to and from backup memory device

Processing request allocator for assignment of loads in a distributed processing system

Method and a system for processing a log record

Memory controller with a cache memory and control method of cache memory including steps of determining memory access threshold values

Read/write control for grouped disk storage including parallel access

Method and apparatus for processing data base

Control unit in storage subsystem with improvement of redundant data updating

Load distribution of multiple disks

Distribution of I/O requests across multiple disk units

Controller limiting modification of cache based upon amount of dirty lines in the cache

Simultaneous read/write control of data storage disk units

Cache control by adding record identification information to partial write request

Data distribution utilizing a master disk unit for fetching and for writing to remaining disk units

Cache control method and apparatus for storing data in a cache memory and for indicating completion of a write request irrespective of whether a record to be accessed exists in an external storage unit

On-line dumping system and disk sub system

Input/output control method and system

Method and apparatus for retrieval of a search string

Method of and apparatus for assigning software resources to memory devices

Magnetic tape data management method and apparatus

Data preloading method and system for using a buffer

Input/output processing method in a database management system

Storage unit subsystem

Controller for storage unit and method of controlling storage unit

Controller for storage unit and method of controlling storage unit

Distribution of I/O requests across multiple disk units

Storage system with data prefetch function

Disk storage system having capability for performing parallel read operation

Storage unit subsystem

Storage unit subsystem

Cache control method and apparatus

Limiting modification of cache entries in a write-back cache based upon the amount of dirty lines in the cache

On-line dumping system and disk sub-system

I/O control system and method

Storage unit subsystem

Storage unit subsystem

Buffered disk unit and method of transferring data therein

Cache control method and apparatus

Storage unit subsystem

Storage unit subsystem

BRIDGESTONE CORP

Tread portion of an automobile tire

Tread portion of an automobile tire

Tread portion of an automobile tire

Tread portion of an automobile tire

Tread portion of an automobile tire

Tread portion of an automobile tire

KOMATSU MFG CO LTD

Torque fluctuation damper

Torque fluctuation damper

NEC ELECTRONICS CORP

Power-on clear circuit

NEC CORP

Semiconductor integrated circuit device

FUJITSU LTD

Communication system and method therefor