SY

Shizuo Yokohata

HI Hitachi: 26 patents #1,179 of 28,497Top 5%
HC Hitachi Software Engineering Co.: 3 patents #54 of 502Top 15%
Overall (All Time): #155,999 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
8015325 Storage subsystem and storage controller having memory which stores management information indicating corresponding relations between processors and identifies of logical units Shinichi Nakayama 2011-09-06
7725611 Method and apparatus for verifying data in a storage system Kazunobu Ohashi, Takao Satoh, Kiichiro Urabe, Toshio Nakano 2010-05-25
7568132 Fault data exchange between file server and disk control device Shinichi Nakayama 2009-07-28
7478231 Storage control apparatus Takeshi Ido, Youichi Gotoh, Shigeo Honma, Toshiyuki Yoshino 2009-01-13
7461227 Storage system and data backup method for the same Naotaka Kobayashi 2008-12-02
7461245 Storage subsystem and storage controller Shinichi Nakayama 2008-12-02
7444468 Storage system and method using interface control devices of different types Naoto Matsunami, Manabu Kitamura, Koji Sonoda 2008-10-28
7334100 Storage system and data backup method for the same Naotaka Kobayashi 2008-02-19
7231491 Storage system and method using interface control devices of different types Naoto Matsunami, Manabu Kitamura, Koji Sonoda 2007-06-12
7213141 Storage subsystem and storage controller Shinichi Nakayama 2007-05-01
7181607 Storage control apparatus Takeshi Ido, Youichi Gotoh, Shigeo Honma, Toshiyuki Yoshino 2007-02-20
7099962 Storage subsystem and storage controller Shinichi Nakayama 2006-08-29
7047329 Storage subsystem and storage controller Shinichi Nakayama 2006-05-16
7028085 Storage-related accounting system and method of the same Yoshihito Nakagawa 2006-04-11
6981118 Storage control system Youichi Gotoh 2005-12-27
6959344 Method and apparatus for storage system Akira Murotani, Toshio Nakano, Kenichi Takamoto 2005-10-25
6948015 Storage control device Hiroshi Ogasawara 2005-09-20
6934891 Storage system having trace information fetching structure and method of fetching the same Masahiro Kawaguchi, Shinichi Nakayama, Youichi Goto 2005-08-23
6904469 Storage control apparatus Takeshi Ido, Youichi Gotoh, Shigeo Honma, Toshiyuki Yoshino 2005-06-07
6886086 Storage system and data backup method for the same Naotaka Kobayashi 2005-04-26
6842793 Method and apparatus for verifying data in a storage system Kazunobu Ohashi, Takao Satoh, Kiichiro Urabe, Toshio Nakano 2005-01-11
6810462 Storage system and method using interface control devices of different types Naoto Matsunami, Manabu Kitamura, Koji Sonoda 2004-10-26
6728850 Storage control system Youichi Gotoh 2004-04-27
6725293 Storage subsystem and storage controller Shinichi Nakayama 2004-04-20
5920893 Storage control and computer system using the same Shinichi Nakayama 1999-07-06