Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6865571 | Document retrieval method and system and computer readable storage medium | Katsumi Tada, Natsuko Sugaya, Tadataka Matsubayashi, Akihiko Yamaguchi, Mikihiko Tokunaga | 2005-03-08 |