TO

Takeki Okamoto

HI Hitachi: 12 patents #3,472 of 28,497Top 15%
Overall (All Time): #419,990 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8935537 Storage device and its control method Hirotaka Nakagawa, Masayasu Asano, Nobuyuki Osaki 2015-01-13
8874829 Storage system and storage system control method Yuta YAMASAKI, Mikio Fukuoka 2014-10-28
8868878 Disk array system and hard disk drive expansion method thereof Tetsuya Inoue, Hiroshi Suzuki, Satoru Yamaura, Yosuke Nakayama 2014-10-21
8364927 Disk array system and hard disk drive expansion method thereof Tetsuya Inoue, Hiroshi Suzuki, Satoru Yamaura, Yosuke Nakayama 2013-01-29
8341425 Storage device and its control method Hirotaka Nakagawa, Masayasu Asano, Nobuyuki Osaki 2012-12-25
7913039 Array-type disk apparatus preventing data lost and providing improved failure tolerance Ikuya Yagisawa, Naoto Matsunami, Mikio Fukuoka, Toshio Nakano, Kenichi Takamoto +1 more 2011-03-22
7757042 Array-type disk apparatus preventing lost data and providing improved failure tolerance Ikuya Yagisawa, Naoto Matsunami, Mikio Fukuoka, Toshio Nakano, Kenichi Takamoto +1 more 2010-07-13
7653831 Storage system and data guarantee method Takao Sato, Mikio Fukuoka 2010-01-26
7418622 Storage control system and storage control method Mikio Fukuoka, Eiju Katsuragi 2008-08-26
7383380 Array-type disk apparatus preventing lost data and providing improved failure tolerance Ikuya Yagisawa, Naoto Matsunami, Mikio Fukuoka, Toshio Nakano, Kenichi Takamoto +1 more 2008-06-03
7073025 Disk array apparatus and control method for the same Mikio Fukuoka 2006-07-04
7028216 Disk array system and a method of avoiding failure of the disk array system Masaki Aizawa, Eiju Katsuragi, Mikio Fukuoka 2006-04-11