YA

Yoshihiro Asaka

HI Hitachi: 75 patents #86 of 28,497Top 1%
HS Hitachi Microcomputer System: 2 patents #67 of 257Top 30%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
Overall (All Time): #25,822 of 4,157,543Top 1%
75
Patents All Time

Issued Patents All Time

Showing 26–50 of 75 patents

Patent #TitleCo-InventorsDate
7529901 Storage system and data processing system Yusuke Hirakawa 2009-05-05
7512755 Computer system storing data on multiple storage systems Takashige Iwamura, Hiroshi Arakawa, Kenta Ninose 2009-03-31
7487328 Storage apparatus having virtual-to-actual device addressing scheme Hidetoshi Sakaki, Masami Maeda, Masaru Tsukada 2009-02-03
7447855 Data processing method providing remote copy in a system having first, second, and third storage systems Kazuhito Suishu, Yusuke Hirakawa 2008-11-04
7437389 Remote copy system Takashige Iwamura, Hiroshi Arakawa, Kenta Ninose, Yusuke Hirakawa 2008-10-14
7421435 Data processing system and storage subsystem provided in data processing system Toru Suzuki, Yusuke Hirakawa, Shuji Kondo 2008-09-02
7418565 Remote e copy system and a remote copy method utilizing multiple virtualization apparatuses Takahiko Takeda, Kenji Yamagami, Katsuyoshi Suzuki, Tetsuya Shirogane 2008-08-26
7415589 Data processing system with multiple storage systems Yusuke Hirakawa, Kazuhito Suishu 2008-08-19
7395265 Data processing system and storage subsystem provided in data processing system Toru Suzuki, Yusuke Hirakawa, Shuji Kondo 2008-07-01
7373436 Storage control device and method for management of storage control device Masami Maeda, Hidetoshi Sakaki, Masaru Tsukada 2008-05-13
7337299 Storage apparatus having virtual-to-actual device addressing scheme Hidetoshi Sakaki, Masami Maeda, Masaru Tsukada 2008-02-26
7334155 Remote copy system and remote copy method Kenta Ninose, Hiroshi Arakawa, Yusuke Hirakawa 2008-02-19
7313663 Storage system and data processing system Yusuke Hirakawa 2007-12-25
7296126 Storage system and data processing system Yusuke Hirakawa 2007-11-13
7293050 Remote copy system Hiroshi Arakawa, Kenta Ninose, Yusuke Hirakawa 2007-11-06
7254674 Distribution of I/O requests across multiple disk units Akira Yamamoto, Takao Satoh, Shigeo Honma, Yoshiaki Kuwahara, Hiroyuki Kitajima 2007-08-07
7240173 Data processing system Yusuke Hirakawa, Kazuhito Suishu 2007-07-03
7222167 Method for managing computer system, computer executing management program, storage device, displaying device, and storage system Hidetoshi Sakaki, Noboru Furuumi, Masami Maeda, Masaru Tsukada, Junichi Muto +1 more 2007-05-22
7210011 Information processing system, storage system, storage device controller and program that enable facilitating the recovery work of remote copying Noboru Furuumi, Junichi Muto 2007-04-24
7167963 Storage system with multiple remote site copying capability Yusuke Hirakawa, Kazuhito Suishu 2007-01-23
7159088 Storage system and data processing system Yusuke Hirakawa 2007-01-02
7143254 Remote copy system Kazuhito Suishu, Yusuke Hirakawa 2006-11-28
7130976 Remote copy method and remote copy system to eliminate use of excess volume for copying data Ryusuke Ito, Yusuke Hirakawa, Takeshi Kaga 2006-10-31
7130975 Data processing system Kazuhito Suishu, Yusuke Hirakawa 2006-10-31
7117327 Data processing system Yusuke Hirakawa, Kazuhito Suishu 2006-10-03