P

Inventor

HAYASAKA MITSUO

JP65 patents
⚠️ This page may combine multiple inventors who share the name “HAYASAKA MITSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

49 patents
US11372570B1Jun 28, 2022

Storage device, computer system, and data transfer program for deduplication

HITACHI LTD8 citations84
US9229860B2Jan 5, 2016

Storage system

HITACHI LTD18 citations84
US9996286B2Jun 12, 2018

Data storage system, process and computer program for such data storage system for reducing read and write amplifications

HITACHI LTD7 citations79
US11449629B2Sep 20, 2022

Data transfer management system and data transfer management method

HITACHI LTD2 citations73
US10936243B2Mar 2, 2021

Storage system and data transfer control method

HITACHI LTD2 citations73
US9690487B2Jun 27, 2017

Storage apparatus and method for controlling storage apparatus

HITACHI LTD4 citations73
US9104328B2Aug 11, 2015

Storage apparatus and method for controlling storage apparatus

HITACHI LTD4 citations73
US11483158B2Oct 25, 2022

Distributed ledger device, distributed ledger system, and distributed ledger management method

HITACHI LTD2 citations72
US11321129B2May 3, 2022

Resource allocation control based on performance-resource relationship

HITACHI LTD2 citations71
US11194504B2Dec 7, 2021

Information processing device and data management method of information processing device

HITACHI LTD2 citations71
US10976946B2Apr 13, 2021

Method and computer system for managing blocks

HITACHI LTD2 citations71
US10929042B2Feb 23, 2021

Data storage system, process, and computer program for de-duplication of distributed data in a scalable cluster system

HITACHI LTD2 citations71
US10416928B2Sep 17, 2019

Data storage system and process for data compression of distributed data in a scalable cluster system and computer program for such data storage system

HITACHI LTD4 citations71
US9600201B2Mar 21, 2017

Storage system and method for deduplicating data

HITACHI LTD2 citations69
US12169441B2Dec 17, 2024

Data management system and data management method

HITACHI LTD0 citations62
US11687239B2Jun 27, 2023

File storage system and method for managing file storage system

HITACHI LTD0 citations62
US11294567B2Apr 5, 2022

File storage system and method for managing file storage system

HITACHI LTD0 citations62
US10949405B2Mar 16, 2021

Data deduplication device, data deduplication method, and data deduplication program

HITACHI LTD1 citations62
US12118393B2Oct 15, 2024

Resource allocation control based on performance-resource relationship

HITACHI LTD0 citations61
US12015664B2Jun 18, 2024

Information processing system and application services distribution method in information processing system

HITACHI LTD0 citations61
US11706287B2Jul 18, 2023

Information processing system and application services distribution method in information processing system

HITACHI LTD0 citations61
US11636073B2Apr 25, 2023

File storage system and file management method by file storage system

HITACHI LTD0 citations61
US11412034B2Aug 9, 2022

Information processing system and application services distribution method in information processing system

HITACHI LTD0 citations61
US11204899B1Dec 21, 2021

File storage system and file management method by file storage system

HITACHI LTD1 citations61
US11256440B2Feb 22, 2022

Method and distributed storage system for aggregating statistics

HITACHI LTD0 citations59
US11520745B2Dec 6, 2022

Distributed storage device and data management method in distributed storage device

HITACHI LTD0 citations58
US11188258B2Nov 30, 2021

Distributed storage system

HITACHI LTD1 citations56
US12519853B2Jan 6, 2026

Computer system and management method for computer system

HITACHI LTD0 citations52
US12223267B2Feb 11, 2025

Question answering system, question answering program, and question answering method

HITACHI LTD0 citations52
US12099726B2Sep 24, 2024

Rebalancing volumes in computer system comprising upper and lower cluster

HITACHI LTD0 citations52
US12067372B2Aug 20, 2024

Method and system for restricting transmission of sensitive information contained in a document

HITACHI LTD0 citations52
US11842308B2Dec 12, 2023

Computer system and method for managing data of an executed workflow

HITACHI LTD0 citations52
US11321208B2May 3, 2022

Distributed storage system and distributed storage control method

HITACHI LTD0 citations52
US10977124B2Apr 13, 2021

Distributed storage system, data storage method, and software program

HITACHI LTD0 citations52
US10713117B2Jul 14, 2020

Storage system and method for controlling storage system

HITACHI LTD0 citations52
US9952936B2Apr 24, 2018

Storage system and method of controlling storage system

HITACHI LTD1 citations52
US12547517B2Feb 10, 2026

Arrangement plan search device, computer system, and arrangement plan search method

HITACHI LTD0 citations51
US12436971B2Oct 7, 2025

Support device and method

HITACHI LTD0 citations51
US12169479B2Dec 17, 2024

Unified storage and method of controlling unified storage

HITACHI LTD0 citations51
US11977487B2May 7, 2024

Data control device, storage system, and data control method

HITACHI LTD0 citations51
US12461796B2Nov 4, 2025

Computer and model generation method

HITACHI LTD0 citations50
US12026262B2Jul 2, 2024

Storage system and data deletion method

HITACHI LTD0 citations50
US11768608B2Sep 26, 2023

Computer system, compute node, and data management method

HITACHI LTD0 citations50
US11768616B2Sep 26, 2023

Resource allocation control device, computing system, and resource allocation control method

HITACHI LTD0 citations50
US11467908B2Oct 11, 2022

Distributed storage system, distributed storage node, and parity update method for distributed storage system

HITACHI LTD0 citations50
US11150827B2Oct 19, 2021

Storage system and duplicate data management method

HITACHI LTD0 citations50
US10915362B2Feb 9, 2021

Task management system, task management method, and task management program

HITACHI LTD0 citations50
US9223660B2Dec 29, 2015

Storage device to backup content based on a deduplication system

HITACHI LTD0 citations50
US12340084B2Jun 24, 2025

Quota management system and quota management method

HITACHI LTD0 citations49

HITACHI VANTARA LTD

1 patent

Showing the top 50 of 65 patents by PatentIndex Score.