Inventor
YOSHIHARA TOMOHIRO
JP50 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIHARA TOMOHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
42 patentsUS8819371B2Aug 26, 2014
Storage system
HITACHI LTD7 citations84
US11360669B2Jun 14, 2022
Storage device accelerator providing aggregation of divided plaintext data
HITACHI LTD1 citations73
US11210032B1Dec 28, 2021
Storage device and data processing method
HITACHI LTD4 citations73
US11200172B2Dec 14, 2021
Storage system and method of controlling storage system
HITACHI LTD2 citations73
US10067882B2Sep 4, 2018
Storage system and storage control method
HITACHI LTD3 citations73
US9563383B2Feb 7, 2017
Storage system with primary and secondary data storage groups and control method thereof
HITACHI LTD3 citations73
US9329999B2May 3, 2016
Storage system improving read performance by controlling data caching
HITACHI LTD3 citations73
US9262265B2Feb 16, 2016
Storage system and storage control apparatus
HITACHI LTD4 citations73
US10853268B2Dec 1, 2020
Parity generating information processing system
HITACHI LTD2 citations72
US11327660B2May 10, 2022
Storage system and input and output control method
HITACHI LTD2 citations71
US11287977B1Mar 29, 2022
Storage system and control method of storage system
HITACHI LTD2 citations71
US8037245B2Oct 11, 2011
Storage system
HITACHI LTD4 citations63
US12393337B2Aug 19, 2025
Storage system
HITACHI LTD0 citations62
US12353712B2Jul 8, 2025
Storage device
HITACHI LTD0 citations62
US12340108B2Jun 24, 2025
Metadata access and conversion during storage system controller update
HITACHI LTD0 citations62
US12086470B2Sep 10, 2024
Storage device and data processing method
HITACHI LTD0 citations62
US11625168B2Apr 11, 2023
Storage device accelerator providing aggregation of divided plaintext data read
HITACHI LTD0 citations62
US11455122B2Sep 27, 2022
Storage system and data compression method for storage system
HITACHI LTD1 citations62
US11334508B2May 17, 2022
Storage system, data management method, and data management program
HITACHI LTD0 citations62
US10936518B2Mar 2, 2021
Storage system, data management method, and data management program
HITACHI LTD1 citations62
US11740799B2Aug 29, 2023
Storage system and input and output control method
HITACHI LTD0 citations61
US11366614B2Jun 21, 2022
Storage system
HITACHI LTD0 citations61
US10310758B2Jun 4, 2019
Storage system and storage control method
HITACHI LTD1 citations61
US11880566B2Jan 23, 2024
Storage system and control method of storage system including a storage control unit that performs a data amount reduction processing and an accelerator
HITACHI LTD0 citations60
US11755249B2Sep 12, 2023
Storage system including storage nodes to determine cache allocations to implement cache control
HITACHI LTD0 citations60
US11347432B2May 31, 2022
Storage system including storage nodes to determine cache allocations to implement cache control
HITACHI LTD0 citations60
US12449998B2Oct 21, 2025
Storage system and method for predictive rebalancing and controller node management based on load prediction
HITACHI LTD0 citations52
US11226769B2Jan 18, 2022
Large-scale storage system and data placement method in large-scale storage system
HITACHI LTD0 citations52
US11221790B2Jan 11, 2022
Storage system
HITACHI LTD0 citations52
US11086562B2Aug 10, 2021
Computer system having data amount reduction function and storage control method
HITACHI LTD0 citations52
US9460015B2Oct 4, 2016
Storage system
HITACHI LTD0 citations52
US12367115B2Jul 22, 2025
Storage system
HITACHI LTD0 citations51
US12204775B1Jan 21, 2025
Storage system and a method of controlling energy consumption therein
HITACHI LTD0 citations51
US12124337B2Oct 22, 2024
Storage system and storage control method
HITACHI LTD0 citations51
US11093134B2Aug 17, 2021
Storage device, management method, and program in tiered storage system
HITACHI LTD0 citations51
US12536078B2Jan 27, 2026
Storage system with storage controllers to control data input and output between a host apparatus and a storage drive in normal and degraded operation states
HITACHI LTD0 citations50
US12360695B2Jul 15, 2025
Storage device
HITACHI LTD0 citations50
US12105972B2Oct 1, 2024
Storage system and storage control method of data deduplication between virtual devices
HITACHI LTD0 citations50
US11914868B2Feb 27, 2024
Storage system, method for moving drives, and non-transitory computer-readable medium
HITACHI LTD0 citations50
US12153518B2Nov 26, 2024
Storage device
HITACHI LTD0 citations49
US9778986B2Oct 3, 2017
Storage system
HITACHI LTD0 citations42
US10783096B2Sep 22, 2020
Storage system and method of controlling I/O processing
HITACHI LTD0 citations41
YOSHIHARA TOMOHIRO
5 patentsUS8984374B2Mar 17, 2015
Storage system and storage control apparatus
YOSHIHARA TOMOHIRO11 citations83
US8700975B2Apr 15, 2014
Storage system and storage control apparatus
YOSHIHARA TOMOHIRO10 citations83
US8719524B2May 6, 2014
Storage system including flash drives for improving performance by controlling data caching
YOSHIHARA TOMOHIRO3 citations62
US8713288B2Apr 29, 2014
Storage system comprising multiple microprocessors and method for sharing processing in this storage system
YOSHIHARA TOMOHIRO2 citations61
US8694689B2Apr 8, 2014
Storage system having plural microprocessors, and processing allotment method for storage system having plural microprocessors
YOSHIHARA TOMOHIRO0 citations41