YE

Yoshiaki Eguchi

HI Hitachi: 21 patents #2 of 2,733Top 1%
Overall (2011): #530 of 364,097Top 1%
21
Patents 2011

Issued Patents 2011

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
8069331 Storage system, storage extent release method and storage apparatus Norio Shimozono, Kazuyoshi Serizawa 2011-11-29
8060468 Storage system and data recovery method Akira Deguchi, Tomohiro Kawaguchi 2011-11-15
8046554 Storage subsystem and performance tuning method Yasutomo Yamamoto, Ai Satoyama, Akinobu Shimada 2011-10-25
8041914 Storage system comprising function for reducing power consumption Takayuki Fukatani, Yasutomo Yamamoto, Tomohiro Kawaguchi, Masanori Takada 2011-10-18
8037027 Computer system for hierarchically managing a journal and method therefor Ai Satoyama 2011-10-11
8015351 Computer system having an expansion device for virtualizing a migration source logical unit Shunji Kawamura, Yasutomo Yamamoto 2011-09-06
8010837 Storage sub system and data restoration method thereof Tomohiro Kawaguchi 2011-08-30
8010760 Storage system performing virtual volume backup and method thereof Nobuhiro Maki 2011-08-30
7991974 Storage system having dynamic volume allocation function Yasutomo Yamamoto, Yasuyuki Nagasoe 2011-08-02
7971097 Data restoring method and an apparatus using journal data and an identification information Kazuhiko Mogi, Yasutomo Yamamoto, Takashi Oeda, Kouji Arai 2011-06-28
7953949 Data reallocation among storage systems Hiroshi Arakawa, Kazuhiko Mogi, Kouji Arai 2011-05-31
7953947 Creating a snapshot based on a marker transferred from a first storage system to a second storage system Hiroaki Akutsu 2011-05-31
7941630 Storage system for a storage pool and virtual volumes 2011-05-10
7937513 Method for controlling storage system, and storage control apparatus Hiroshi Ohno, Kouji Arai, Toshio Nakano, Hideo Tabuchi, Akinobu Shimada +2 more 2011-05-03
7930509 Data management method in storage pool and virtual volume in DKC 2011-04-19
7925914 Information system, data transfer method and data protection method Hiroaki Akutsu, Takashige Iwamura, Kenta Ninose, Yasuo Watanabe, Yasutomo Yamamoto +1 more 2011-04-12
7917805 Storage system for restoring data stored in failed storage device Kenta Ninose, Tomohiro Kawaguchi 2011-03-29
7908433 Virtual volume control method involving device stop Yasutomo Yamamoto, Takashige Iwamura 2011-03-15
7899981 Flash memory storage system Takashige Iwamura, Kazuhisa Fujimoto, Shunji Kawamura 2011-03-01
7890720 Snapshot system Ai Satoyama, Takahiro Nakano 2011-02-15
7870093 Storage subsystem Yasutomo Yamamoto, Hiroshi Arakawa, Yusuke Hirakawa 2011-01-11