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 51–75 of 134 patents

Patent #TitleCo-InventorsDate
7809906 Device for performance tuning in a system Yoshiaki Eguchi, Ai Satoyama, Akinobu Shimada 2010-10-05
7802131 Information system and data transfer method Yasuo Watanabe, Kenta Ninose, Yoshiaki Eguchi, Takashige Iwamura, Hisao Homma 2010-09-21
7757058 Storage system having dynamic volume allocation function Yoshiaki Eguchi, Yasuyuki Nagasoe 2010-07-13
7743212 Storage system and capacity allocation method therefor Akiyoshi Hashimoto, Akira Fujibayashi 2010-06-22
7743211 Cluster-type storage system and managing method of the cluster-type storage system Kazuhisa Fujimoto, Mutsumi Hosoya, Kentaro Shimada, Akira Yamamoto, Naoko Iwami 2010-06-22
7739540 Information system, data transfer method and data protection method Hiroaki Akutsu, Takashige Iwamura, Kenta Ninose, Yasuo Watanabe, Yoshiaki Eguchi +1 more 2010-06-15
7721058 Storage system and replication creation method thereof Ai Satoyama, Noboru Morishita, Yoshiaki Eguchi 2010-05-18
7711896 Storage system that is connected to external storage Kazuhisa Fujimoto, Akira Yamamoto 2010-05-04
7711872 Storage apparatus, process controller, and storage system Sadahiro Sugimoto, Kazuyoshi Serizawa, Hisao Homma 2010-05-04
7702851 Logical volume transfer method and storage network system Ai Satoyama, Yoshiaki Eguchi 2010-04-20
7694073 Computer system and a method of replication Ai Satoyama, Takashi Oeda, Kouji Arai 2010-04-06
7689792 Data replication in a storage system Ai Satoyama, Noboru Morishita 2010-03-30
7680981 Virtual volume control method involving device stop Takashige Iwamura, Yoshiaki Eguchi 2010-03-16
7673110 Control method of device in storage system for virtualization Hisao Honma, Ai Satoyama 2010-03-02
7624241 Storage subsystem and performance tuning method Yoshiaki Eguchi, Ai Satoyama, Akinobu Shimada 2009-11-24
7603583 Fault recovery method in a system having a plurality of storage system Yoshiaki Eguchi 2009-10-13
7596676 Method of inheriting information identifying virtual volume and storage system using the same Kazuyoshi Serizawa, Yoshiaki Eguchi 2009-09-29
7590818 Storage system having a plurality of virtualization apparatuses that allocate a storage area, form a plurality of virtual volumes, and process input-output from a host processor Kazuyoshi Serizawa, Norio Shimozono, Naoko Iwami 2009-09-15
7577815 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 2009-08-18
7571280 Cluster-type storage system and managing method of the cluster-type storage system Kazuhisa Fujimoto, Mutsumi Hosoya, Kentaro Shimada, Akira Yamamoto, Naoko Iwami 2009-08-04
7549083 Data restoring method and an apparatus using journal data and an identification information Yoshiaki Eguchi, Kazuhiko Mogi, Takashi Oeda, Kouji Arai 2009-06-16
7546414 Computer system, storage system, and device control method Akira Yamamoto, Naoto Matsunami 2009-06-09
7539817 Storage system and capacity allocation method therefor Akiyoshi Hashimoto, Akira Fujibayashi 2009-05-26
7529950 Information processing system, control method for information processing system, and storage system Akira Deguchi, Takashige Iwamura, Tetsuya Maruyama 2009-05-05
7506120 Data transfer virtualization system Noboru Morishita, Yoshiaki Eguchi 2009-03-17