Inventor · disambiguated record
Ryosuke Tatsumi
Also filed as: TATSUMI RYOSUKE
38 granted patents·7 pending applications·21 citations·filing 2012–2024
94Inventor score
Files withHITACHI LTD39ALPINE ELECTRONICS INC2JX NIPPON MINING & METALS CORP2HITACHI VANTARA LTD1TATSUMI RYOSUKE1
Top patents by PatentIndex Score
45 records- 0195US11543972B1Storage system and control method thereofHITACHI LTD·Filed 2022·Granted Jan 3, 2023·3 cites·8 claims
- 0289US10301180B2Activated carbon regeneration method and gold recovery methodJX NIPPON MINING & METALS CORP·Filed 2016·Granted May 28, 2019·4 cites·7 claims
- 0384US10392679B2Method for recovering gold from activated carbonJX NIPPON MINING & METALS CORP·Filed 2015·Granted Aug 27, 2019·2 cites·15 claims
- 0483US11327653B2Drive box, storage system and data transfer methodHITACHI LTD·Filed 2020·Granted May 10, 2022·2 cites·9 claims
- 0580US11461032B1Storage controller replacement and firmware upgrade without service interruptionHITACHI LTD·Filed 2021·Granted Oct 4, 2022·1 cites·13 claims
- 0678US11200172B2Storage system and method of controlling storage systemHITACHI LTD·Filed 2019·Granted Dec 14, 2021·2 cites·8 claims
- 0776US10739999B2Computer system having data amount reduction function and storage control methodHITACHI LTD·Filed 2018·Granted Aug 11, 2020·2 cites·9 claims
- 0873US10936518B2Storage system, data management method, and data management programHITACHI LTD·Filed 2019·Granted Mar 2, 2021·1 cites·12 claims
- 0973US2025021252A1Storage system and storage control method of data deduplication between virtual devicesHITACHI VANTARA LTD·Filed 2024·Application pending·0 cites
- 1069US11816336B2Storage system and control method thereofHITACHI LTD·Filed 2022·Granted Nov 14, 2023·0 cites·8 claims
- 1169US10460703B2Display control apparatus, display control method, and camera monitoring systemALPINE ELECTRONICS INC·Filed 2018·Granted Oct 29, 2019·2 cites·6 claims
- 1268US12105972B2Storage system and storage control method of data deduplication between virtual devicesHITACHI LTD·Filed 2023·Granted Oct 1, 2024·0 cites·15 claims
- 1367US12340108B2Metadata access and conversion during storage system controller updateHITACHI LTD·Filed 2023·Granted Jun 24, 2025·0 cites·7 claims
- 1467US11836386B2Storage system and method of controlling storage system that set ports associated with a logical unitHITACHI LTD·Filed 2022·Granted Dec 5, 2023·0 cites·8 claims
- 1566US11714751B2Complex system and data transfer methodHITACHI LTD·Filed 2022·Granted Aug 1, 2023·0 cites·11 claims
- 1665US11755249B2Storage system including storage nodes to determine cache allocations to implement cache controlHITACHI LTD·Filed 2022·Granted Sep 12, 2023·0 cites·6 claims
- 1765US11237962B2Complex system and data transfer methodHITACHI LTD·Filed 2020·Granted Feb 1, 2022·0 cites·15 claims
- 1863US11334508B2Storage system, data management method, and data management programHITACHI LTD·Filed 2021·Granted May 17, 2022·0 cites·6 claims
- 1963US11080192B2Storage system and storage control methodHITACHI LTD·Filed 2015·Granted Aug 3, 2021·1 cites·13 claims
- 2061US11429316B2Multi controller storage system and method of controlling multi controller storage systemHITACHI LTD·Filed 2021·Granted Aug 30, 2022·0 cites·14 claims
- 2160US11853582B2Storage systemHITACHI LTD·Filed 2022·Granted Dec 26, 2023·0 cites·7 claims
- 2259US12481564B2Method and system for preventing service level agreement violations in backup-as-a-serviceHITACHI LTD·Filed 2024·Granted Nov 25, 2025·0 cites·18 claims
- 2358US12367115B2Storage systemHITACHI LTD·Filed 2023·Granted Jul 22, 2025·0 cites·7 claims
- 2458US11347432B2Storage system including storage nodes to determine cache allocations to implement cache controlHITACHI LTD·Filed 2019·Granted May 31, 2022·0 cites·10 claims
- 2557US11836393B2Storage system and control method of migrating storage control unit based on maximum amount of mountable storage control unitsHITACHI LTD·Filed 2022·Granted Dec 5, 2023·0 cites·13 claims
- 2657US2024427624A1Storage system and a method for processing data thereofHITACHI LTD·Filed 2024·Application pending·0 cites
- 2756US11960771B2Storage system and data management methodHITACHI LTD·Filed 2022·Granted Apr 16, 2024·0 cites·7 claims
- 2855US2025284426A1Storage systems and methodsHITACHI LTD·Filed 2024·Application pending·0 cites
- 2953US11301159B2Storage system and data transfer methodHITACHI LTD·Filed 2020·Granted Apr 12, 2022·0 cites·6 claims
- 3053US11093134B2Storage device, management method, and program in tiered storage systemHITACHI LTD·Filed 2019·Granted Aug 17, 2021·0 cites·7 claims
- 3153US10589669B2Following vehicle detection and alarm deviceALPINE ELECTRONICS INC·Filed 2016·Granted Mar 17, 2020·1 cites·7 claims
- 3250US2023280945A1Storage system and control method for storage systemHITACHI LTD·Filed 2022·Application pending·0 cites
- 3349US11914868B2Storage system, method for moving drives, and non-transitory computer-readable mediumHITACHI LTD·Filed 2022·Granted Feb 27, 2024·0 cites·6 claims
- 3449US11675545B2Distributed storage system and storage control methodHITACHI LTD·Filed 2021·Granted Jun 13, 2023·0 cites·7 claims
- 3549US11455105B2Storage system and data management method of switching access authorityHITACHI LTD·Filed 2021·Granted Sep 27, 2022·0 cites·10 claims
- 3648US11201788B2Distributed computing system and resource allocation methodHITACHI LTD·Filed 2020·Granted Dec 14, 2021·0 cites·4 claims
- 3747US11861205B2Distributed storage system and volume migration methodHITACHI LTD·Filed 2022·Granted Jan 2, 2024·0 cites·10 claims
- 3847US11256585B2Storage systemHITACHI LTD·Filed 2020·Granted Feb 22, 2022·0 cites·10 claims
- 3945US11330056B2Storage system and controller location methodHITACHI LTD·Filed 2020·Granted May 10, 2022·0 cites·13 claims
- 4044US9977813B2Storage device and data migration methodHITACHI LTD·Filed 2013·Granted May 22, 2018·0 cites·13 claims
- 4144US2021303178A1Distributed storage system and storage control methodHITACHI LTD·Filed 2020·Application pending·0 cites
- 4242US2013282998A1Backup system and backup methodTATSUMI RYOSUKE·Filed 2012·Application pending·0 cites
- 4342US2021191623A1Storage systemHITACHI LTD·Filed 2020·Application pending·0 cites
- 4441US11086562B2Computer system having data amount reduction function and storage control methodHITACHI LTD·Filed 2016·Granted Aug 10, 2021·0 cites·14 claims
- 4536US10884924B2Storage system and data writing control methodHITACHI LTD·Filed 2015·Granted Jan 5, 2021·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Ryosuke Tatsumi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →