Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6665667 | Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored | Yasuhiko Inaba, Tadataka Matsubayashi, Katsumi Tada, Takuya Okamoto, Natsuko Sugaya | 2003-12-16 |
| 6665668 | Document retrieval method and system and computer readable storage medium | Natsuko Sugaya, Katsumi Tada, Tadataka Matsubayashi, Akihiko Yamaguchi, Yasuhiko Inaba | 2003-12-16 |
| 6549898 | Method of and an apparatus for retrieving and delivering documents and a recording media on which a program for retrieving and delivering documents are stored | Yasuhiko Inaba, Tadataka Matsubayashi, Katsumi Tada, Takuya Okamoto, Natsuko Sugaya | 2003-04-15 |