Inventor
AKAGAWA ETSUTARO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “AKAGAWA ETSUTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
13 patentsUS7506375B2Mar 17, 2009
File server, file server log management system and file server log management method
HITACHI LTD96 citations96
US7234020B2Jun 19, 2007
Fault notification based on volume access control information
HITACHI LTD31 citations92
US7827178B2Nov 2, 2010
File server for performing cache prefetching in cooperation with search AP
HITACHI LTD8 citations84
US7242499B2Jul 10, 2007
System for creating a virtual file server to provide data files
HITACHI LTD12 citations82
US7757279B2Jul 13, 2010
Storage subsystem, storage system, and communication control method
HITACHI LTD7 citations73
US7587506B2Sep 8, 2009
Computer system and data backup method in computer system
HITACHI LTD3 citations63
US7085954B2Aug 1, 2006
Storage system performing remote copying bypassing controller
HITACHI LTD3 citations63
US8868523B2Oct 21, 2014
File server for migration of file and method for migrating file
HITACHI LTD1 citations52
US7921093B2Apr 5, 2011
Information processing apparatus and information processing method
HITACHI LTD1 citations52
US7716417B2May 11, 2010
Method and system for controlling access to tape media from a plurality of virtual computers
HITACHI LTD0 citations42
US9270742B2Feb 23, 2016
Computer system and control method of computer system
HITACHI LTD0 citations41
US8380764B2Feb 19, 2013
File control system and file control computer for use in said system
HITACHI LTD0 citations41
US10409660B2Sep 10, 2019
Storage system and control method therefor
HITACHI LTD0 citations37