Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6965976 | Backup method on a hierarchical backup system | Hideo Ohata, Tatsundo Aoshima | 2005-11-15 |
| 6865571 | Document retrieval method and system and computer readable storage medium | Yasuhiko Inaba, Katsumi Tada, Natsuko Sugaya, Tadataka Matsubayashi, Mikihiko Tokunaga | 2005-03-08 |