Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970989 | Volume management method and apparatus | Yoshitaka Sato, Hiroshi Nojima, Nobuyuki Yamashita | 2005-11-29 |
| 6965976 | Backup method on a hierarchical backup system | Akihiko Yamaguchi, Hideo Ohata | 2005-11-15 |