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Yasutomo Yamamoto

HI Hitachi: 8 patents #22 of 3,189Top 1%
Overall (2005): #1,661 of 245,428Top 1%
8
Patents 2005

Issued Patents 2005

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6976140 Computer system and a method of replication Ai Satoyama, Takashi Oeda, Kouji Arai 2005-12-13
6961832 Method and system for backing up data of data processing devices including fixed length block format data conversion to variable length block format Ai Satoyama, Akira Yamamoto, Takashi Oeda, Masaya Watanabe 2005-11-01
6957303 System and managing method for cluster-type storage Kazuhisa Fujimoto, Mutsumi Hosoya, Kentaro Shimada, Akira Yamamoto, Naoko Iwami 2005-10-18
6954839 Computer system Hideomi Idei, Kazuhiko Mogi, Takashi Oeda, Yoshiaki Eguchi 2005-10-11
6950914 Storage system Naoko Iwami, Kazuhisa Fujimoto 2005-09-27
6915403 Apparatus and method for logical volume reallocation Takashi Oeda, Takao Sato 2005-07-05
6915382 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 2005-07-05
6895483 Method and apparatus for data relocation between storage subsystems Yoshiaki Eguchi, Hiroshi Arakawa, Takashige Iwamura, Kouji Arai 2005-05-17