YY

Yasutomo Yamamoto

HI Hitachi: 133 patents #13 of 28,497Top 1%
Overall (All Time): #7,917 of 4,157,543Top 1%
134
Patents All Time

Issued Patents All Time

Showing 26–50 of 134 patents

Patent #TitleCo-InventorsDate
8285953 Storage system group Akira Yamamoto, Yoshiaki Eguchi, Manabu Kitamura, Ai Satoyama 2012-10-09
8281179 Information system, data transfer method and data protection method Hiroaki Akutsu, Takashige Iwamura, Kenta Ninose, Yasuo Watanabe, Yoshiaki Eguchi +1 more 2012-10-02
8281098 Storage subsystem and performance tuning method Yoshiaki Eguchi, Ai Satoyama, Akinobu Shimada 2012-10-02
8261036 Storage system comprising function for reducing power consumption Takayuki Fukatani, Tomohiro Kawaguchi, Masanori Takada, Yoshiaki Eguchi 2012-09-04
8214615 Control method of device in storage system for virtualization Hisao Honma, Ai Satoyama 2012-07-03
8195865 Computer system having an expansion device for virtualizing a migration source logical unit Shunji Kawamura, Yoshiaki Eguchi 2012-06-05
8170996 Storage subsystem Yoshiaki Eguchi, Hiroshi Arakawa, Yusuke Hirakawa 2012-05-01
8151013 Storage system Kazuyoshi Serizawa, Norio Shimozono, Akira Deguchi, Hisaharu Takeuchi, Takao Sato +1 more 2012-04-03
8090979 Information system and data transfer method Yasuo Watanabe, Kenta Ninose, Yoshiaki Eguchi, Takashige Iwamura, Hisao Homma 2012-01-03
8046554 Storage subsystem and performance tuning method Yoshiaki Eguchi, Ai Satoyama, Akinobu Shimada 2011-10-25
8041914 Storage system comprising function for reducing power consumption Takayuki Fukatani, Tomohiro Kawaguchi, Masanori Takada, Yoshiaki Eguchi 2011-10-18
8032733 Apparatus and method for reallocating logical to physical disk devices using a storage controller with access frequency and sequential access ratio calculations and display Akira Yamamoto, Takao Satoh 2011-10-04
8028146 Management of temporary and permanent areas in nonvolatile memories of a storage system 2011-09-27
8015351 Computer system having an expansion device for virtualizing a migration source logical unit Shunji Kawamura, Yoshiaki Eguchi 2011-09-06
7991974 Storage system having dynamic volume allocation function Yoshiaki Eguchi, Yasuyuki Nagasoe 2011-08-02
7984227 Connecting device of storage device and computer system including the same connecting device Yasuyuki Mimatsu, Kenji Muraoka 2011-07-19
7971097 Data restoring method and an apparatus using journal data and an identification information Yoshiaki Eguchi, Kazuhiko Mogi, Takashi Oeda, Kouji Arai 2011-06-28
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
7925914 Information system, data transfer method and data protection method Hiroaki Akutsu, Takashige Iwamura, Kenta Ninose, Yasuo Watanabe, Yoshiaki Eguchi +1 more 2011-04-12
7912996 Storage system Kazuyoshi Serizawa, Norio Shimozono, Akira Deguchi, Hisaharu Takeuchi, Takao Sato +1 more 2011-03-22
7908449 Data replication in a storage system Ai Satoyama, Noboru Morishita 2011-03-15
7908433 Virtual volume control method involving device stop Takashige Iwamura, Yoshiaki Eguchi 2011-03-15
7886109 Storage system coupled to management server and a monitoring method of a stopped device executed by the storage system Akira Yamamoto, Naoto Matsunami 2011-02-08
7870093 Storage subsystem Yoshiaki Eguchi, Hiroshi Arakawa, Yusuke Hirakawa 2011-01-11
7861052 Computer system having an expansion device for virtualizing a migration source logical unit Shunji Kawamura, Yoshiaki Eguchi 2010-12-28