Inventor

YAGISAWA IKUYA

JP88 patents

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

YAGISAWA IKUYA

HITACHI LTD

Storage system and method for backup

Computer system and snapshot data management method thereof

Disk array system and method of changing the configuration of the disk array system

Array type disk system updating redundant data asynchronously with data access

Disk array including plural exchangeable magnetic disk unit

Disk array system and method for controlling disk array system

Storage system

Array type disk system updating redundant data asynchronously with data access

Computer system for controlling allocation of physical links and method thereof

Storage system having a plurality of controllers

Storage system and method for backup

Storage system having a plurality of interfaces

Storage controller and data management method

Disk array system

Array-type disk apparatus preventing lost data and providing improved failure tolerance

Disk array optimizing the drive operation time

Storage system

Method and system of managing an access to a storage system in a computer system

Disk array system and method for controlling disk array system

Disk array system and method for controlling disk array system

Method and system of managing an access to a private logical unit of a storage system

Parity generation system for generating new parity using old data in temporary storage without accessing main disk storage of disk drive

System and method for storage system

Computer system managing an access to a storage system

Storage controller and data management method

Storage controller and control method for dynamically accomodating increases and decreases in difference data

Disk array system and fault-tolerant control method for the same

Storage device with disk power control based on logical storage area

Storage system

Storage system for holding a remaining available lifetime of a logical storage region

Array-type disk apparatus preventing lost data and providing improved failure tolerance

Storage system

Storage system

Storage system

Storage system having a plurality of controllers

Memory device system and method for copying data in memory device system

Storage system having a plurality of interfaces

Storage system

Magnetic disk array device with processing offload function module

Disk array system based on disks with a fixed-length unit of access

Computer system

Memory device system and method for copying data in memory device system

Storage controller and data management method

Storage control apparatus and failure recovery method for storage control apparatus

(unassigned)

Computer system with a reduced number of command end interrupts from auxiliary memory unit and method of reducing the number of command end interrupts

NAGATA KOJI

Storage controller and data management method

OIKAWA YOSHIHIRO

Storage device and method of instructing to update firmware

KANO AZUMA

Storage system having plural controllers and an expansion housing with drive units

CHOI JIN

Storage system storing electronic modules applied to electronic objects common to several computers, and storage control method for the same

SEKINO YUTA

Storage system, data backup method, and system restarting method of a storage system incorporating volatile and nonvolatile memory devices