Inventor · disambiguated record
Mitsuo Hayasaka
Also filed as: HAYASAKA MITSUO
63 granted patents·35 pending applications·66 citations·filing 2012–2024
97Inventor score
Files withHITACHI LTD92HITACHI VANTARA LTD3HAYASAKA MITSUO1HITACHI DATA SYSTEMS ENGINEERING UK LTD1MATSUBARA KAZUMASA1
Top patents by PatentIndex Score
98 records- 0195US11372570B1Storage device, computer system, and data transfer program for deduplicationHITACHI LTD·Filed 2021·Granted Jun 28, 2022·8 cites·8 claims
- 0292US9229860B2Storage systemHITACHI LTD·Filed 2014·Granted Jan 5, 2016·18 cites·15 claims
- 0390US9996286B2Data storage system, process and computer program for such data storage system for reducing read and write amplificationsHITACHI LTD·Filed 2016·Granted Jun 12, 2018·7 cites·26 claims
- 0488US11321129B2Resource allocation control based on performance-resource relationshipHITACHI LTD·Filed 2021·Granted May 3, 2022·2 cites·8 claims
- 0584US11194504B2Information processing device and data management method of information processing deviceHITACHI LTD·Filed 2020·Granted Dec 7, 2021·2 cites·13 claims
- 0684US10416928B2Data storage system and process for data compression of distributed data in a scalable cluster system and computer program for such data storage systemHITACHI LTD·Filed 2017·Granted Sep 17, 2019·4 cites·14 claims
- 0784US9690487B2Storage apparatus and method for controlling storage apparatusHITACHI LTD·Filed 2015·Granted Jun 27, 2017·4 cites·18 claims
- 0883US11483158B2Distributed ledger device, distributed ledger system, and distributed ledger management methodHITACHI LTD·Filed 2020·Granted Oct 25, 2022·2 cites·9 claims
- 0980US11204899B1File storage system and file management method by file storage systemHITACHI LTD·Filed 2021·Granted Dec 21, 2021·1 cites·8 claims
- 1078US9104328B2Storage apparatus and method for controlling storage apparatusHITACHI LTD·Filed 2012·Granted Aug 11, 2015·4 cites·20 claims
- 1176US11449629B2Data transfer management system and data transfer management methodHITACHI LTD·Filed 2019·Granted Sep 20, 2022·2 cites·10 claims
- 1275US10936243B2Storage system and data transfer control methodHITACHI LTD·Filed 2017·Granted Mar 2, 2021·2 cites·13 claims
- 1373US12015664B2Information processing system and application services distribution method in information processing systemHITACHI LTD·Filed 2023·Granted Jun 18, 2024·0 cites·14 claims
- 1473US10976946B2Method and computer system for managing blocksHITACHI LTD·Filed 2015·Granted Apr 13, 2021·2 cites·15 claims
- 1573US10929042B2Data storage system, process, and computer program for de-duplication of distributed data in a scalable cluster systemHITACHI LTD·Filed 2016·Granted Feb 23, 2021·2 cites·14 claims
- 1670US10949405B2Data deduplication device, data deduplication method, and data deduplication programHITACHI LTD·Filed 2019·Granted Mar 16, 2021·1 cites·12 claims
- 1768US11706287B2Information processing system and application services distribution method in information processing systemHITACHI LTD·Filed 2022·Granted Jul 18, 2023·0 cites·7 claims
- 1867US11412034B2Information processing system and application services distribution method in information processing systemHITACHI LTD·Filed 2021·Granted Aug 9, 2022·0 cites·14 claims
- 1965US12169441B2Data management system and data management methodHITACHI LTD·Filed 2023·Granted Dec 17, 2024·0 cites·6 claims
- 2065US12118393B2Resource allocation control based on performance-resource relationshipHITACHI LTD·Filed 2022·Granted Oct 15, 2024·0 cites·8 claims
- 2164US11687239B2File storage system and method for managing file storage systemHITACHI LTD·Filed 2022·Granted Jun 27, 2023·0 cites·10 claims
- 2264US11188258B2Distributed storage systemHITACHI LTD·Filed 2017·Granted Nov 30, 2021·1 cites·15 claims
- 2363US12436971B2Support device and methodHITACHI LTD·Filed 2024·Granted Oct 7, 2025·0 cites·14 claims
- 2463US9600201B2Storage system and method for deduplicating dataHITACHI LTD·Filed 2014·Granted Mar 21, 2017·2 cites·15 claims
- 2561US12169479B2Unified storage and method of controlling unified storageHITACHI LTD·Filed 2023·Granted Dec 17, 2024·0 cites·10 claims
- 2661US11636073B2File storage system and file management method by file storage systemHITACHI LTD·Filed 2021·Granted Apr 25, 2023·0 cites·3 claims
- 2761US9952936B2Storage system and method of controlling storage systemHITACHI LTD·Filed 2012·Granted Apr 24, 2018·1 cites·10 claims
- 2860US12475001B1Computer system and backup management methodHITACHI VANTARA LTD·Filed 2024·Granted Nov 18, 2025·0 cites·15 claims
- 2960US2024201872A1Storage system, data transfer control method, and data transfer control programHITACHI LTD·Filed 2023·Application pending·0 cites
- 3059US12099726B2Rebalancing volumes in computer system comprising upper and lower clusterHITACHI LTD·Filed 2022·Granted Sep 24, 2024·0 cites·9 claims
- 3159US11294567B2File storage system and method for managing file storage systemHITACHI LTD·Filed 2020·Granted Apr 5, 2022·0 cites·11 claims
- 3258US12461796B2Computer and model generation methodHITACHI LTD·Filed 2023·Granted Nov 4, 2025·0 cites·7 claims
- 3358US2025156070A1Management system and error code management method for storage deviceHITACHI VANTARA LTD·Filed 2024·Application pending·0 cites
- 3457US12340084B2Quota management system and quota management methodHITACHI LTD·Filed 2024·Granted Jun 24, 2025·0 cites·15 claims
- 3557US10852959B2Data storage system, process and computer program for such data storage system for reducing read and write amplificationsHITACHI LTD·Filed 2018·Granted Dec 1, 2020·0 cites·10 claims
- 3657US2025298699A1Apparatus for determining backup configuration of storage systemHITACHI VANTARA LTD·Filed 2024·Application pending·0 cites
- 3757US2025173081A1Storage apparatus and migration verification methodHITACHI LTD·Filed 2024·Application pending·0 cites
- 3856US11768608B2Computer system, compute node, and data management methodHITACHI LTD·Filed 2022·Granted Sep 26, 2023·0 cites·9 claims
- 3956US9128616B2Storage device to backup content based on a deduplication systemHAYASAKA MITSUO·Filed 2012·Granted Sep 8, 2015·1 cites·8 claims
- 4056US2025028454A1Storage system and backup method for storage systemHITACHI LTD·Filed 2024·Application pending·0 cites
- 4156US2025077360A1Data recovery method and data recovery systemHITACHI LTD·Filed 2024·Application pending·0 cites
- 4255US12223267B2Question answering system, question answering program, and question answering methodHITACHI LTD·Filed 2022·Granted Feb 11, 2025·0 cites·14 claims
- 4355US11977487B2Data control device, storage system, and data control methodHITACHI LTD·Filed 2022·Granted May 7, 2024·0 cites·11 claims
- 4455US11842308B2Computer system and method for managing data of an executed workflowHITACHI LTD·Filed 2020·Granted Dec 12, 2023·0 cites·13 claims
- 4555US2024330078A1Information processing apparatus and information processing methodHITACHI LTD·Filed 2023·Application pending·0 cites
- 4655US2025028830A1Storage system and malicious program detection methodHITACHI LTD·Filed 2024·Application pending·0 cites
- 4755US2024419629A1Unified storage system and upgrade method thereforHITACHI LTD·Filed 2024·Application pending·0 cites
- 4854US12222952B2Information processing system and log storage method for information processing systemHITACHI LTD·Filed 2024·Granted Feb 11, 2025·0 cites·6 claims
- 4954US2024330035A1Deployment plan calculation device, computer system, and deployment plan calculation methodHITACHI LTD·Filed 2023·Application pending·0 cites
- 5053US2023334072A1Automatic question answering system and question-answer pair data generation methodHITACHI LTD·Filed 2023·Application pending·0 cites
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →