IY

Ikuya Yagisawa

HI Hitachi: 87 patents #49 of 28,497Top 1%
Overall (All Time): #18,891 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 76–88 of 88 patents

Patent #TitleCo-InventorsDate
7039758 Disk array system based on disks with a fixed-length unit of access Akihiro Mannen, Naoto Matsunami, Masahiko Sato, Masahiro Arai 2006-05-02
7003637 Disk array device with utilization of a dual-bus architecture dependent on data length of cache access requests Xiaoming Jiang, Satoshi Yagi 2006-02-21
6985998 Disk array device for idle seek Naoki Higashijima, Seiki Morita 2006-01-10
6985997 System and method for storage system Xiaoming Jiang, Satoshi Yagi, Daisuke Mitsutaka 2006-01-10
6981094 Storage system having a plurality of interfaces Yusuke Nonaka, Naoto Matsunami, Akira Nishimoto 2005-12-27
6941439 Computer system Naoto Matsunami, Yasuyuki Mimatsu, Akihiro Mannen, Kenji Muraoka 2005-09-06
6886075 Memory device system and method for copying data in memory device system Naoto Matsunami, Yasuyuki Mimatsu, Akihiro Mannen, Kenji Muraoka 2005-04-26
6694413 Computer system and snapshot data management method thereof Yasuyuki Mimatsu, Naoto Matsunami, Kenji Muraoka, Takashi Oeda 2004-02-17
6425049 Disk array system and method of changing the configuration of the disk array system Masayuki Yamamoto, Naoto Matsunami, Jun Matsumoto, Masahiko Sato 2002-07-23
5996046 Parity generation system for generating new parity using old data in temporary storage without accessing main disk storage of disk drive Naoto Matsunami, Takashi Oeda, Yasunori Kaneda, Hiroshi Arakawa, Masahiro Takano 1999-11-30
5958067 Array type disk system updating redundant data asynchronously with data access Yasunori Kaneda, Takashi Oeda, Kiyoshi Honda, Naoto Matsunami, Hitoshi Akiyama +2 more 1999-09-28
5802345 Computer system with a reduced number of command end interrupts from auxiliary memory unit and method of reducing the number of command end interrupts Naoto Matsunami, Masayuki Kan, Yasunori Kaneda, Takashi Oeda, Hiroshi Arakawa 1998-09-01
5761402 Array type disk system updating redundant data asynchronously with data access Yasunori Kaneda, Takashi Oeda, Kiyoshi Honda, Naoto Matsunami, Hitoshi Akiyama +2 more 1998-06-02