Inventor
OGAWA SHUGO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA SHUGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS12340108B2Jun 24, 2025
Metadata access and conversion during storage system controller update
HITACHI LTD0 citations62
US11960771B2Apr 16, 2024
Storage system and data management method
HITACHI LTD0 citations51
US11675545B2Jun 13, 2023
Distributed storage system and storage control method
HITACHI LTD0 citations51
US11455105B2Sep 27, 2022
Storage system and data management method of switching access authority
HITACHI LTD0 citations51
US11330056B2May 10, 2022
Storage system and controller location method
HITACHI LTD0 citations51
US11201788B2Dec 14, 2021
Distributed computing system and resource allocation method
HITACHI LTD0 citations51
US11175857B2Nov 16, 2021
Storage device and storage management method
HITACHI LTD0 citations51
US11861205B2Jan 2, 2024
Distributed storage system and volume migration method
HITACHI LTD0 citations50
NEC CORP
7 patentsUS10649890B2May 12, 2020
Information processing system, storage control apparatus, storage control method, and storage control program
NEC CORP2 citations71
US10402114B2Sep 3, 2019
Information processing system, storage control apparatus, storage control method, and storage control program
NEC CORP4 citations71
US10203876B2Feb 12, 2019
Storage medium apparatus, method, and program for storing non-contiguous regions
NEC CORP4 citations71
US9727247B2Aug 8, 2017
Storage device and method, and storage medium
NEC CORP3 citations71
US7805520B2Sep 28, 2010
Storage system, program and method
NEC CORP2 citations61
US10452300B2Oct 22, 2019
Storage system, node apparatus, cache control method and program
NEC CORP1 citations60
US10592148B2Mar 17, 2020
Information processing system, storage control apparatus, storage control method, and storage control program for evaluating access performance to a storage medium
NEC CORP0 citations39