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 patentsUS11372570B1Jun 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 patentShowing the top 50 of 65 patents by PatentIndex Score.