Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6745183 | Document retrieval assisting method and system for the same and document retrieval service using the same | Shingo Nishioka, Kazuhiro Ono, Akihiko Takano, Yoshiki Niwa, Atsuko Yamaguchi | 2004-06-01 |