EA

Etsutaro Akagawa

HI Hitachi: 19 patents #1,906 of 28,497Top 7%
Overall (All Time): #239,366 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
10409660 Storage system and control method therefor Mioko MORIGUCHI 2019-09-10
9270742 Computer system and control method of computer system Wataru Okada, Hirotaka Nakagawa 2016-02-23
8869285 File server, file server log management system and file server log management method Akitsugu Kanda, Yohsuke Ishii 2014-10-21
8868523 File server for migration of file and method for migrating file Masakuni Agetsuma, Yohsuke Ishii 2014-10-21
8612495 Computer and data management method by the computer Takahiro Nakano, Atsushi Sutoh, Yohsuke Ishii, Jun Nemoto 2013-12-17
8583611 File server for migration of file and method for migrating file Masakuni Agetsuma, Yohsuke Ishii 2013-11-12
8521693 Storage system and its operation method Akira Ito, Takahiro Nakano, Nobumitsu Takaoka 2013-08-27
8407185 Computer, its processing method, and computer system Nobumitsu Takaoka, Masakuni Agetsuma 2013-03-26
8380764 File control system and file control computer for use in said system Akira Ito 2013-02-19
8332600 Storage system and method for operating storage system Akira Ito, Atsushi Sutoh, Masanori Takata 2012-12-11
8285749 Computer system and recording medium Shinya Matsumoto, Takahiro Nakano 2012-10-09
7921093 Information processing apparatus and information processing method Yohsuke Ishii, Koji Sonoda 2011-04-05
7827178 File server for performing cache prefetching in cooperation with search AP Yohsuke Ishii 2010-11-02
7716417 Method and system for controlling access to tape media from a plurality of virtual computers Takahiro Nakano, Koji Sonoda 2010-05-11
7587506 Computer system and data backup method in computer system Takahiro Nakano, Yoji Nakatani, Hitoshi Kamei 2009-09-08
7506375 File server, file server log management system and file server log management method Akitsugu Kanda, Yohsuke Ishii 2009-03-17
7242499 System for creating a virtual file server to provide data files Akitsugu Kanda 2007-07-10
7234020 Fault notification based on volume access control information Hiroshi Furukawa 2007-06-19
7085954 Storage system performing remote copying bypassing controller Hiroshi Furukawa, Manabu Kitamura 2006-08-01