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 26–50 of 88 patents

Patent #TitleCo-InventorsDate
7904744 Data storage using multiple protocols Yoshihiro Oikawa, Bunitsu Ando 2011-03-08
7904651 Storage device with disk power control based on logical storage area Kotaro Muramatsu, Yoshifumi Zimoto 2011-03-08
7877632 Storage control apparatus and failure recovery method for storage control apparatus Naoki Higashijima 2011-01-25
7865665 Storage system for checking data coincidence between a cache memory and a disk drive Azuma Kano, Takuji Ogawa 2011-01-04
7797486 Storage system Naoto Matsunami 2010-09-14
7765372 Storage controller and data management method Koji Nagata, Shoji Kodama, Katsuo Mogi 2010-07-27
7757042 Array-type disk apparatus preventing lost data and providing improved failure tolerance Takeki Okamoto, Naoto Matsunami, Mikio Fukuoka, Toshio Nakano, Kenichi Takamoto +1 more 2010-07-13
7657768 Disk array optimizing the drive operation time Naoto Matsunami, Akihiro Mannen, Kenichi Takamoto 2010-02-02
7596660 System and method for storage system Xiaoming Jiang, Satoshi Yagi, Daisuke Mitsutake 2009-09-29
7565501 Storage controller and data management method Katsuo Mogi, Koji Nagata, Shoji Kodama 2009-07-21
7552209 Computer system managing an access to a storage system Naoto Matsunami, Akira Yamamoto, Hideki Kamimaki, Masatoshi Ichikawa, Jun Matsumoto +3 more 2009-06-23
7549084 Storage control apparatus and failure recovery method for storage control apparatus Naoki Higashijima 2009-06-16
7509467 Storage controller and data management method Koji Nagata, Shoji Kodama, Katsuo Mogi 2009-03-24
7472243 Storage system and control method thereof Koji Nagata, Shoji Kodama, Katsuo Mogi 2008-12-30
7467269 Storage apparatus and storage apparatus control method Yoshifumi Zimoto, Atsushi Ishikawa 2008-12-16
7454583 Storage controller and control method for dynamically accomodating increases and decreases in difference data Koji Nagata, Shoji Kodama 2008-11-18
7453774 Disk array system Azuma Kano, Takuji Ogawa 2008-11-18
7447121 Disk array system Azuma Kano, Takuji Ogawa 2008-11-04
7441143 Disk array including plural exchangeable magnetic disk Masahiro Arai, Yoichi Mizuno, Naoto Matsunami 2008-10-21
7404038 Storage system having a plurality of interfaces Yusuke Nonaka, Naoto Matsunami, Akira Nishimoto 2008-07-22
7398448 Storage system has the function of preventing drive write error Yutaka Nakagawa, Akira Nishimoto 2008-07-08
7383380 Array-type disk apparatus preventing lost data and providing improved failure tolerance Takeki Okamoto, Naoto Matsunami, Mikio Fukuoka, Toshio Nakano, Kenichi Takamoto +1 more 2008-06-03
7383361 Disk array system and interface converter Yutaka Nakagawa, Azuma Kano 2008-06-03
7370104 Computer system managing an access to a storage system Naoto Matsunami, Akira Yamamoto, Hideki Kamimaki, Masatoshi Ichikawa, Jun Matsumoto +3 more 2008-05-06
7366839 Storage system Naoto Matsunami, Akihiro Mannen, Masayuki Yamamoto 2008-04-29