Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7908446 | Copy system and method using differential bitmap | Hidehiko Kimura, Fumio Yamaguchi | 2011-03-15 |
| 7472241 | Storage system and backup method | Takashi Uchiyama, Fumio Yamaguchi | 2008-12-30 |
| 7028216 | Disk array system and a method of avoiding failure of the disk array system | Eiju Katsuragi, Mikio Fukuoka, Takeki Okamoto | 2006-04-11 |
| 4307871 | Apparatus for automatically punching the tuyeres of a converter | Yasuro Tomoda, Osamu Isshiki, Shigetoshi Maeda | 1981-12-29 |